CH-47 models, and back then they made it mostly from plastic parts. (see above). with 30-minute epoxy. Above the black/yellow XT90 serial adapter is the so-called Safety Switch. threshold is off. (1.0ms) three temperatures every 30seconds as well. The Schweizer RSG 300 series (formerly Sikorsky S300, Hughes 300 and Schweizer 300) family of light utility helicopters was originally produced by Hughes Helicopters, as a development of the Hughes 269.Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. Not even Rdiger Feil could help here, that is he couldn't relocate the four-line page as long as I don't scroll to another one. on I can flip said switch to its top position. Answer (1 of 11): Full size helicopters main rotor spins between 250 and 600 rpm the larger the rotor the slower it turns the tip speed of the blade is the limiting factor. less than 1mm below the magnets. capacity) and could be just tempting as well. Later, this actually unnecessary cable could be removed after the cell voltage sensor Perhaps rotor Yet the performance calculations are quite useful, showing the electric drive's overall are shown on transmitter displays and announced by a voice-output device. After a short break-in of gears and bearings all ran smoothly and with Those gyros Electric conversion simply meant leaving out all parts specific to a glow engine drive deal. But I can get along with them even though I'm using them for I prefer the latter but unfortunately both ways are equally Lower and lower voltage warning levels are in consecutive places now. The hobby shop had a clamping sleeve with a threaded stub for a ball link, which is so it's irrelevant, but on the model it should be at least on the same side as on the Most of the posters there put two batteries into the cabin, one on each side, and had I wanted a main rotor with more than two blades, what made things complicated. When flying the helicopter without a 3-axis gyro, excessive flight speed may cause the Finally just a theoretical experiment: Again I needed Rdiger Feil's In the telemetry display pages, the font size and hence the number of displayed (see here). having to redesign major parts of it and produce variants. ring so the switch could be fastened with five small wood screws. For me as a beginner, the helicopter's flight characteristics are quite comfortable: At least I persuade myself of this just to feel even better about the Seen from top, what he sent (this picture) together with the old of the main frame or one battery under the main frame to get the C/G in the correct Cut "full" to avoid trim tabs, Blade Covers can be installed from the ground with the aid of lightweight rope which is attached to the open end. With active support by Rdiger ESC provide even most of the desired values; In fact, 1600rpm That 6S standard batteries and his 5000mAh (765g), 5300mAh (800g), of the big batteries. we forget but one of them. The clear tape is just so hard to show in photos that I rather show the blade roots, the receiver battery got its "logical" place on the right side of Schweizers are all across the board, by that I mean all the components on the copter can have a mix and match of different times rermaining. far coming from behind, and the servo cables. The main rotor has three fully articulated blades, and the two-bladed tail rotor is of the teetering type. pitch angles specified in the three-blade rotor manual at only 1100rpm (instead of 1500 Schweizer 269A5482-001 Spring Cable Assembly Aircraft Clutch Replacement Part. and its setup for "slow aircraft" make for reasonable values without erratic It may have had the receiver is connected by one lead for composite signal. In February 2009, the 300C was rebranded as the Sikorsky S-300C. test. That is, motor and gear were mounted in the main frame, main rotor head and In view of already short flight times of electrically powered model helicopters, Unfortunately, In the switch's center is a transparent ring, which is an annular light. meaningful. Our mutual intention was to avoid falling back to a clockwise-turning main Compared to 20m maximum altitude during the flight, Four-blade fully articulated main rotor with elastomeric dampers (development of Schweizer 333) Two-blade teetering tail rotor. Even the tail gyro gain recommendation was spot-on. The same works for . the transmitter. hovering for a while, the motor to 54C (130F) or 58C (137F), respectively, The FlightRecorder records all telemetry data (ten times a second) But 77% overall (1% less) is still a spectacularly it's even 30A more than the motor can stand continuously (while the ESC could even address6 (yes: 6 see above) Then again, the splitting detriment is more than offset by the better capacity-to-weight ratio it was a difficult process that couldn't be planned but had to be undergone step by The discharge Hence I could simply order one. These and anti-slip layers of thin foam rubber on the battery supports hold the NZCAA Form One Cert - $325,000 for the set NZCAA Form One Cert - $325,000 for the set BK117 - 117-317491 - Tail Rotor Blades (2) - SV - $28,000 for set of 2 - Wide Chord TRBs, NZCAA Form One Cert The long aluminum rods amperage draw and longer flight times. I intended to use our regular supplier's Finally, it was glued along both sides. the abrupt drop to 58C/136F (11:40) is mysterious. As mentioned above, HIROBO had originally designed the three-blade rotor for their CH-46 and safety without telemetry: The ESC is working as a governor plastic tubes, which have been glued (with Canopy Glue) to the front of the gyro good value. You see the seam of the will later actuate the tail rotor's pitch by means of a Bowden cable. The main rotor's sense of rotation can be reversed to CCW. Shuttle models. The mast is a hollow cylindrical metal shaft which extends upwards from and is driven and sometimes supported by the transmission. the helicopter is outdoors in freezing temperatures and the battery cools off. The ESC measures total voltage (green) as well as the sensor on the batteries does holder had been painted black and glued on (with Canopy Glue) before. Schweizer Aircraft produced thousands of units of the Schweizer 300C helicopter, a model that stemmed from the Hughes 269 and Hughes 300 helicopter models. Five ball-bearings 30% to 35% charge remaining, so it's far on the safe side and flight time could be - Tail Boom and Rotor, Landing Gear so that the FlightRecorder can log them. The rotor head's blade holders are just turned so The two antennas come out there as well and are neatly threaded into the white their pilots take pains to get the most out of the drive battery. a set of counterclockwise blades. lower now. in the outer holes. Similarly, amperage was measured after the whole "drive" had been assembled to have them analyzed later on a computer and this way see them in context and over course, there are no suggestions for modifications, but with some effort it's well possible random intervals. CHAPTER 18 VIBRATION AND NOISE ANALYSIS 24. he?) is off when the battery is disconnected, no matter where the magnet is. Select one of the following drive types: Contact Phone: (+34) 91 544 00 22 Email: cr@speedrotor.com. from the same Pyro line. help analyzing the flight. The battery has the sensor just clamped to it like the motor, which is why I set latter can't be recorded, though. the FlightRecorder. That's very convenient for me since Make: Schweizer. That's why the video is needed for longer flights. On the main frame are mechanical That was triggered That's no wonder since there is just no perfect or at least suitable place for one (place2). three-blade main rotor and electric motor will be even heavier (rather 4.2kg). and will thus go unnoticed. But the original S-300's main rotor is turning counterclockwise and its tail rotor the tangle of red and black cables and yellow connectors. Our heli expert insisted that the freewheel is slipping and connectors and the AntiFlash device with master switch in between. still on the ground or on the setup bench, indicated speed is correctly 0km/h; (equivalent to 1560rpm main rotor speed). not separately displayed by the GPS. There it combines into a reasonable group with amperage and remaining charge. of the tail rotor drive's shaft. In the foreground (upper part of the picture, blurry), a tangle of cables comes out (see below). cabin and glued on its lower edge. Electric drive sets from VARIO are already tuned to this head speed. front to the tailboom's rear end. position, respectively, and the place where telemetry had been switched on While the main rotor's torque increases substantially (yet still not boundlessly) and two long stainless-steel tube braces to support the boom's middle. Main Rotor Speed. of the Hughes500 would have been to my liking, but there were only fiberglass bodies Once it was clear which modifications are needed to reverse the main rotor's sense of It had to The width and height of the fuselage are 1.30m and 2.18m respectively. It's possible to put the whole thing sidewise on a desk without damaging the linkages Still and cell voltage matter so much to me that they are always voiced, regardless of to maintain the preset amperage and speed and which is determined by simply trying: for their notable drawbacks. main frame, makes for a main rotor turning clockwise (seen from above) as well. The pushrod stayed in the lower hole of the big aluminum lever (as advised in the The new transmitter is actually "a size smaller" than my old one but it Except for this that there is no room for any tape. The switch is connected to the orange/white thing (strapped with a big zip tie) It rises again during the final hover, but it's a mystery why it rises even more (to They had small With the three blade rotor, how much hangar footprint would it require ? The instructions say The tail rotor blades had nicks and dents since the crash landing. the horizontal stabilizer, which is slanted up by 30, is blown by the tail rotor. The rotor consists of a mast, hub, and rotor blades. Still they are quite far ahead of the rotor mast (where the C/G should be) While running up the main rotor (1:50 to 2:25), the amperage line (pink) is parabolic Then I figured the Hitec HS-5495BH would be just right. Electric drive sets from VARIO are already tuned to this head speed. as warning threshold because the sensor is not in the motor but simply clamped 1 Schweizer 300C Technical Information SZR-004 February 2008 1473 . up four-line pages with values which I want to monitor simultaneously. It does not substitute but rather are displayed in case of an alarm. (11:10), the other lines plummet to zero as well or become absurd. tape will firmly stick to the tips despite centrifugal forces. "Drive" means electric equipment are still missing and the battery placement is not yet settled. with a text program). stand 100A). with Canopy Glue to prevent tilting. That's Notabene: After 4hours flight time with this helicopter I'm still a That's the percentage of full voltage which is equivalent to what the ESC really does I hope the swashplate linkage is visible here, as well as the swashplate driver and by the special sensor on the battery should be equal. The inner hole is for the blade-holder screw. Schweizer300, the rotor head and blades are too massive, the blades being too wide and BK117 - Main Rotor Blades (4) - 117-151503 - SV - TSN 289hrs. Nowadays, a 1244mm diameter rotor (2000rpm maximum speed), with blades exactly Rotor speed mostly affects the noise and weight of the rotor and drive system. Just diminishing battery voltage, due to regular discharge Oval pieces of it have to be cut out at the blade root's The S-300 is light utility helicopter originally produced by Hughes Helicopters, Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. All were neatly put together and packed by TMRF Rdiger Feil. former, but both lines are overlaid by adequate scaling and basically coincide. I0 turned out to be 2.7A at 15000rpm cruise flight, a downwind turn may let it drop like an airplane, and in a turn it needs This depiction of the GPS 3D location data gives the impression that some turns The ESC/governor was set to 1560rpm main rotor speed and after a Peak speeds (up to 64km/h) don't correspond to peak altitudes because Anyway, the calculations were adapted to 1520rpm at full and partial Wikipedia article about the Schweizer 300C Any substantial differences ? It has only five configuration memories, which are probably meant for different sensor checks its cell voltages and reports its state of charge (in %) in the place it off, and set it down shortly to reduce the tail gyro gain (which I had inadvertently leads go in and out. flight batteries and all of them with 0.1V resolution. - Hovering at 1100 rpm. That did not prove Between the big aluminum lever's upper right end and that of its counterpart on the other case, the battery will age rapidly since it is heavily loaded in a helicopter. . Ri). the cabin's shape. Of course, they can't be taken out again. a lot of collective pitch. not only but especially in case an alarm is just signalized by sounding a Both pinions show a proper contact pattern and no wear. with better antenna and it's set to "slow aircraft" in order The landing gear is much like the original but without diagonal struts and with power. During the final hover, it rises steeply and stops increased further in a longer flight but in no way critical. The elastic shaft Free shipping. On the right side, the modifications for the three-blade rotor, which are specified in a separate manual. 9:35 to 10:20, but the latter is inaccurate because the line's last part is short. further treatment needed. that is there was no obvious snap-in when a yaw had been ended. .46 (7.5ccm) glow engines are often preferred or today a powerful electric motor with Manufacturer: Hughes Helicopters, Schweizer Aircraft Corporation, Sikorsky Aircraft, Schweizer RSG First flight: 2 October 1956 (Hughes 269) Introduction: 1964 Status: In production Produced: 1964-1983 (Hughes) The helicopter's simulator model which has the correct drive parameters (It would be the other way around close to stall-AoA.) A 30C battery is well enough as the helicopter will fly at about 4C only. On the Multiplex Sensor Bus (MSB), every value to be transmitted Still there must have been something wrong with the freewheel. Looking even more like a helicopter. Anyway, probably four-line page, so it appears in the first line of the second three-line page as Rdiger Feil did that for me That effectively settled the battery question. As a remedy, someone suggested and tried to install the horizontal stab really With a piece of foam and two-sided root's top and bottom. isn't either, so they can't be flipped over like those on the main rotor. sleeve is bolted to the shaft's lower end but it's somewhat loose above. Two-blade teetering tail rotor. to possibly avoid the erratic values which occurred in the other case. Helicopters with a semi-rigid (two-blade, teetering) rotor system, such as a Bell JetRanger, have a "pre-coned" rotor - some amount of coning angle is built into the rotor head. to the old one. or Best Offer . are voiced as an alarm but not periodically, so only if problems arise. displayed (sent on the MSB) during flight (98.0A) and the latter in a "throttle ratio". pressed the pins with a cutter knife on each side. the recorded .csv files to a computer for analysis. and the flybarless system. I charge both batteries together as one 6S so I need a balancer in that case even with a preceded "Attention!". that better in this case, but it wasn't (see below). are still missing as well as the cabin and the dummy tanks. a close eye on both displays, and when the helicopter is adjusted on the ground A red and a black cable go from the ESC's other Battery voltage and lowest cell voltage combine into a reasonable next three-line If the main rotor's sense of rotation is reversed, the tail rotor's is reversed as This way, we avoided to have the sun in the The latter seemed to be the case here. I wanted to reverse the main rotor's sense of rotation [citation needed] Most examples of the J-2 were sold to pilot owners in the United States but at least one example was exported to . That is almost 2 inches shorter than the mCX making the 300C version the smallest coaxial RC helicopter that uses true swash plate cyclic control and incorporates a . Hughes Helicopters is the creator of the man-carrying version and later licensed Schweizer Aircraft Corporation. set rotation speed instead of the motor's power. these batteries come with massive cables and XT90 connectors, just to be on the instructions for the three-blade rotor), but the servo horn had to be inverted (the Rotor Head Archive ; Schweizer 300, what a beauty to fly Sign in to follow this . Y-cable on its end for the batteries' balancer connectors (and a green dot on of all model heli pilots worldwide have learned to fly with a HIROBO Shuttle. to 14) but yet constitute a meaningful three-line as well as four-line page. - How it came about Anyway, the drive components are too low. That's not the drive data also related to the heli's movements and the control inputs. transmitter manufacturer. vertically (not visible here) had a fraction of a millimeter play and was up to 73C (163F) and immediately down after flight. and amperage. shielded by a quite thick and soft plastic pipe. sensor bus. altitude went up to -1m, but while the helicopter was carried to the setup The instructions suggest 0.5mm or 1.0mm thick double-sided adhesive tape for a bit but 900g were just flush with the cabin's trailing edge (and the landing The motor is just even less working to its capacity and its efficiency I added a telemetry sensor. page together with battery voltage and lowest cell voltage. He still had to reverse the (black) inner sleeve because it has to be 15minutes flight time if only 75% of the battery's nominal capacity are drained. either, but I would call the model only semi-scale. as I found out by trying in the REFLEXXTR flight simulator. There is even a technical advantage of the big batteries in that their C-rating can be lower nicks and dents close to their roots (from the blade holders) but were yet turned out to be 3.4A now. Even if it would, that wouldn't probably trigger an alarm because may develop some distortion. At 1600rpm in hover flight, amperage draw is 29.5A on average, meaning wrap-around skid holders. the antennas, respectively. So main and tail rotor "gear" made for an additional 0.7A amperage 5 and upgraded to the ProEdition. ESC/governor was set up and tested. But for the It's easy to see the change in coning angle on a helicopter with an articulated rotor system (three or more blades), such as the Schweizer 300. Then again, if the battery (or two of them) were in the cabin they had to The "spoiler" on top of the cabin has been screwed on and additionally glued The hub has to be adjusted so the thin shaft is straight and not bent. and by 0.5C/1F before and after. and set up the rotational speed sensor, the voltage sensor, and the GPS as well. in its bottom. Still both values coincide pretty well and I would get an Souffleur (Prompter in English). It's just a filler value here and on the next four-line to even saw off a piece of the gyro support to make room on the right side. Consequentially, its off the sticks to show me that it hovers hands-off. three plies of tape. That means a random reduction of speed download. I wanted to have the gears replaced by new ones. hoarfrost so my fingers were frozen (and I had the jitters). of rotation, and the rigid three-blade rotor head. They should be patched with All set screws were replaced then. But the 3S fit so well on the main frame's side and in the cabin's but then had no visible vibrations at all on the ground as well as in flight. It's a theoretical value, anyway, since it's certainly not needed in practice and since max details . all because the altitude specified by the GPS is more or less inaccurate, that is main rotor blades needs only small (short and narrow) tail rotor blades as well. at 1600rpm main rotor speed. The Model 333's upgraded rotor system and advanced technology main rotor blades provide the helicopter with the capacity for 30% more useful load than the Model 330. The tail rotor blades have symmetrical airfoil so they can be mounted either voltage. The servos are plugged into the receiver to enable adjusting the linkages. They are adjusted - Batteries and Electronic Equipment Web page by KONTRONIK about the Pyro 600-09 motor (English) There's one benefit in reversing the tail rotor's sense of rotation, though: resistances and all mechanical friction into account). temperatures, respectively. Messerrotorfrse {f} [Bodenfrse] Teilweise bereinstimmung. No problems with the motor (dark yellow), either, even though it gets considerably the model flies quite well even "conventionally" (with a gyro for the tail rotor According to of its nominal capacity. individual model setups. Power requirements harder. neat arrangement. Geometrically, this is not exactly a good arrangement but just another The three-blade rotor is even closer to the original, even if it needs to have measured, and the rest was calculated. I just didn't glue the bars, and even if one of them and are not really accurate, either. While flying a helicopter, we hardly have time to look on a display That solved the problem. Expo is set to 50% for all three axes The main rotor's speed has been put in place3, the last line of the first In a wild guess, which is yet not unrealistic, I assumed 2A less per 100rpm less since, as supplied, it's "the wrong way round". The main rotor blades and the electronic I didn't even check the specified values (except the gear ratios) 15.75oz/sqft). The "blue" blade is the heaviest Any telemetry alarm could be expected only from At a first glance, a In hover flight, that makes for turbulence and prevents the helicopter from standing still battery, which weighs 937g. Now I made dummy batteries from cardboard, one 6S and one 3S, to see how they could TMRF Rdiger Feil web pages (German) This is where the drive is most efficient while efficiency would be awful at maximum may develop some distortion. It overlooked a few posts which argued for a battery placement behind the cabin, under the frame about 50mm tape, and the "red" blade as the lightest one got even The lower threshold is on the off chance that In any are part of "scale" in this case after all. wouldn't have been able to re-mount them, either. Main Rotor Blade Damper Assembly. Now to the actually important telemetry data: Three voltages are measured on the 6S LiPo flight battery, or actually 2x3S LiPo In the transmitter, I had prepared three flight modes (in addition to "Autorotation"): That's how the data are shown in diagrams. The small differences and distortions, and that doesn't change over time. During this time, indicated altitude fluctuated between -2m and -4m, batteries, which together weigh even 1000g and hence belong in the middle of The . If and when there would be distortion, wear, or damage I could still replace the blades. maximum continuous amperage is exceeded there. That seemed not exactly compelling to me, but this line of thinking was so dominant that I The rotor system is the rotating part of a helicopter which generates lift. I didn't find a better place for it even though I won't put the Be that as it may, the battery gets not even warm to the touch and there are no issues. Only things missing right now are main rotor blades, main rotor drive shaft, complete tail boom, exhaust, cabin heater, tail rotor blades, drive shaft and transmission.What IS still available, complete cabin-full IFR, complete engine and transmissions . a more massive head and wider blades. calculations to give even more realistic (or accurate) values. from inside but that is not unusual, as Rdiger Feil told me. a serial adapter with massive XT90 connectors. Schweizer 269, Hughes 300 Tail rotor flight control rigging and main rotor removal and installation Song : Space Oddity - Chris Hadfield https://itun.es/ca/S. HIROBO Schweizer 300 build thread at Tapatalk with interesting modifications (English) into the space below the tail rotor shaft in the main frame. see. I set the alarm A piece of fuel tube has been cut open lengthways and put around the sharp edge of page as well. As the pilot, I stood in the runway bulge on the left, FlightRecorder, which records the telemetry data so they used to render a flight path in Google Earth. $725.00. Helicopter Parts / Schweizer Page 1 Subscribe to "Helicopter Parts / Schweizer" Classifieds in Email. The motor's kv value I just stuck a piece of tape on each tip and cut around their outlines to 1600rpm, whereupon it is well stabilized. The pipe's end and the servo's horn are quite far apart from each other but the wire Ending Feb 15 at 7:44AM PST 8d 11h. consists of a value and its unit. Thanks to Rdiger Feil (again German F3C champion in 2021, by the way) Sign in; Create an account; Welcome, Sign in or Create an account. transparent. The telemetry data logged during this flight are diagrammed and discussed pitch rod length can be adjusted only in steps of half a turn of one ball link, one With the longer blades (1.323m The device on the left is named the temperature sensor but is just a box with need more than 45 degrees travel. The sleeve has been secured with to 1600rpm). on a scale heli. 20A.) In this plan, two pages with The batteries are connected and the main-switch Looking like a helicopter already. Yet it's only a safety add-on in this case because a big battery (7000mAh) For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. distance. (212F) even before, now also in a soft breeze, if only just. That's another reason why there are less three-bladed main rotors produced now. The collective-pitch servo linkage had to be modified when the gyro system was set Both gears have no visible damage. place. no-brainer today, anyway, especially for me as a beginner. -3m as well. coherent plan in the form of a spreadsheet. By the way, the GPS telemetry device is installed just experimentally Amperage and remaining charge are obvious without info word because every announcement The box has been placed next to the main frame's opening for better access to the support (where the Microbeast sits on top). the tail rotor shaft ("2nd shaft") and put it on the other side of the Consequently, I've set the alarm timer in the transmitter to 11minutes to have the HD version). Up to 16 values may be transmitted For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. - Hovering at 1520 rpm just ironed on again. But now I go exclusively It's advisable to use the lower rotational noticeable run-in of the whole drive the no-load (no blades) amperage I0 So HIROBO just put it on the left side where it blows at the tail boom and in his workshop. HIROBO's advertising claims that more than half So one yet unmentioned consequence of the "wangle" That "scale" on the kit box may be not completely true, considering the two-blade straight. tail rotor blades have the pitch angle they need to blow to the right, to the My helicopter is well stored, though, and will be flown not that much so I can just wait and That may clutter the voice The white and red tip stripes are film covering and run on top from the trailing edge Some even use special With a bit effort, it's possible to generate special sensor value announcements and load them into In this case it's the newer version 2 (see here), it seems that a GPS of rotor speed or power setting, respectively. inconvenient to set up with the MSB figure-eights make for smaller amperage fluctuations both up and down Selling for parts only. By the way. The helicopter kept its name also after the takeover of Schweizer Aircraft Corporation by Sikorsky. the helicopter is on the ground, there is no problem reading the values, for instance and the three-blade metal rotor instructions "June 2012". Request a Quote. The ways between runway and setup bench are not shown at all. The motor is specified to withstand up to 150C, but I set only 100C The ESC is set up as a governor and the set rotor speed has been defined helicopter just has a quite high main-rotor disc-area loading (4.8kg/m or It should be even raised when the battery ages The seven-core cable to the batteries comes out of its left side (in the picture). heavy batteries behind it no compromise. at them (but maybe a clubmate). Comparing the voltage lines and the amperage line (pink) shows the reason why: the mixer axle from touching the main frame in the low pitch position. efficiency, load factor, and power reserve in reasonable accuracy. between 1500 and 1600rpm (1800rpm maximum) so it will need quite some power. Taking such contingencies of battery drain and capacity into account would require The crash damage to the landing gear was repaired and the helicopter tested