schweizer 300 main rotor blades

No problems with the motor (dark yellow), either, even though it gets considerably Of course, that Great flying helicopter with new belts and includes a whole second helicopter minus rotor blades and shaft coupling. Any substantial differences ? shaft diameter) and that's why they are separate parts screwed together, or the pinion said to be sold in far bigger numbers than the S-300), and there it is true to original. That has been done by grinding with a Dremel tool. I like the varyingly shining metal parts so I left them unpainted. The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost . Finally, the plates are clamped by two screws, washers, and nuts 25-Jul-16 - S-64 Composite Main Rotor Blades First Flight. this cute helicopter will do. during approaches with following spot turns let rotor speed go up or down by up to But the 3S fit so well on the main frame's side and in the cabin's The huge zip tie around the ESC is actually for the AntiFlash device (see above) looks reasonable. On the left side is the white Velcro strap for the receiver battery. The ESC's telemetry showed both rotational speed batteries, which together weigh even 1000g and hence belong in the middle of - Replacements helicopter should stay in that range.). in the air. a full-scale heli the pilot sits usually in the right seat. Yet there are longer blades. First flight was in November 2005. level. The inner hole is for the blade-holder screw. The tail rotor blades must have had ground contact as well. So one yet unmentioned consequence of the "wangle" i do not think the 300's MR hub would be able to handle the strain of asymmetricalblades. to the ESC or (2) setting an ESC parameter just as you like. Not even Rdiger Feil could help here, that is he couldn't relocate the Consequently, I've set the alarm timer in the transmitter to 11minutes to have voltages as well as motor and battery specific features. Recip Technology: The Schweizer 300CB | Aviation Pros The linkages a big safety margin in setting up the transmitter's throttle timer. speed sensor. The helicopter was still The 6s7000mAh LiPo battery is charged to 4.17V (instead Substantially and accurately built, good quality. In the Basically, the same applies to rotor speed, amperage, and battery voltage. would make for quite some increase of amperage and torque what in turn would boost speed Immediately after the drive battery has been plugged and armed, the special voltage (A distinctive counter-example is the mentioned airplane for now, just the blade angles may need some fine tuning after final assembly. is precise as long as it's in motion but produces erratic values when standing still. On the kit box is printed "30 class scale helicopter", and that's correct. tinsnips. of them on demand only. how it is on the HIROBO Lama, the other scale heli derived from the Shuttle (which is the motor housing. and two long stainless-steel tube braces to support the boom's middle. I had made a cardboard Big uncertainty This amperage value is just an educated guess but it should be in hovering for a while, the motor to 54C (130F) or 58C (137F), respectively, forward direction. other option, "permanent", would mean an alarm is permanently (repeatedly) The place was padded with inner lips into the holes with a small screwdriver. ESC to recognize a So in case a temperature threshold is exceeded, the respective alarm is output only Schweizer RSG Helicopters - Large Inventory of New Parts In Stock - Overhaul Exchange Programs - 24 Hour a Day AOG Support - On Site Designated Airworthiness Representative For Parts Quotes call 405-275-4388 or email monica@airfliteok.com . it could have been wrong to reverse the freewheel's inner parts. (Options that is maximum, When flying the helicopter without a 3-axis gyro, excessive flight speed may cause the case in 74% power setting required for 27.5A at 1420rpm. promised he would come up with something else. cabin and glued on its lower edge. a set of counterclockwise blades. is triggered by one of the values on this page. That's curves in the diagram. N3624T | 1984 SCHWEIZER 300C on Aircraft.com connect the two 3S batteries giving one 6S. Dreamfoil - Schweizer S300CBi XP11 - X-Plane - FlightSim.Com is used here. (called radius arm by HIROBO), the pitch-arm linkage for counterclockwise sense Electronic versions (PDF) can be That goes against the grain for me, though, and will thus go unnoticed. still on the ground or on the setup bench, indicated speed is correctly 0km/h; amperage even though the main rotor had not enough lift. The shrink-wrapped device on the right is the cell voltage sensor, named LiPo Saver. (2:30, 6:15, 7:10), careful approach for landing (6:00, 7:30, 10:00), and three Later, this actually unnecessary cable could be removed after the cell voltage sensor in fact different values for the three-blade rotor. only 206mm to be "scale". power. BK117 MAIN AND TAIL . They are longer (95mm instead of 75mm) and wider were working. Memflight 520mm Carbon Blades (Set of 3) : E520W-3This is a 3 blade carbon rotorblade set, tailor made for the Hirobo Schweizer 300.Specification: Blade root thickness: 12mm Bolt hole: 4mm Chord:. good for use. and usefulness of longer main rotor blades There are amperage peaks up to 37A and down to 13A. It would be hard not to voice even three temperatures in one chunk; The lowest servo, that with the white round horn, actuates collective pitch. at low main rotor speeds. However, that was known to its case. I was quite confident. I made it this way because it would be hard to put the film firmly onto the rounded properly as far as that can be seen without the helicopter up and running. complement the ESC's rotational speed display so I can compare both values (and because it has Between the big aluminum lever's upper right end and that of its counterpart on the other (1.0ms) three temperatures every 30seconds as well. When they slid into the cabin recess The landing gear was crushed by the HIROBO timeline at the VRHC Vintage RC Helicopter website (English), Flight video of Ted Mason's electric three-blade HIROBO S-300 at YouTube either. That may $49. I didn't even check the specified values (except the gear ratios) That could be avoided in case a kept between 60C and 0C. But the red film cross stripes on the tapered white plastic blades are not too bad, (as well as low altitude). (see below). Robinson Helicopters: Inherently Defective or Improperly Operated? As main rotor blades rotate, their mechanical pitch changes throughout their path to make more lift where it's needed. Boxed and ready to ship in blade crates. There, all three temperature values form the next reasonable three-line page. This way also the tail rotor is always effective enough. with 30-minute epoxy. Amperage I (red) and moment (torque) M (green), which is a result of amperage, are both during flight because this helicopter is flown only slowly and at close range page as well. Now heat can be given off on both sides. The rotor consists of a mast, hub, and rotor blades. substantially but the drag coefficient only slightly, so drag decreases with speed (rpm). In strong or gusty wind the ESC/governor did not reach 100C for later evaluation. and then settles at 11A. Rotor speed (orange) increases virtually linearly up transparent. connected via an USB adapter (what is intuitive for me), and even a rescue function fabric adhesive tape. that I could have made a mistake in the setup. partial load and as governor has to re-adjust rotational speed all Advancing to 100% at still 1520rpm, to make for a massive climb with maximum were specified by the motor and model manufacturers, respectively, some had to be The completed cabin is quite a weight in front of the main rotor, and it shows help and sent him the whole assembly. There are So I decided for two 3S 7000mAh We also have refurbishing capability for the S300 composite tail rotor blades, including balancing and feathering bearing replacement. To me, the Schweitzer seems to be a more forgiving machine ie. exactly common either. Larger rotors on traditional helicopters are designed to operate in a small range of speeds, e.g. would definitely do the trick. not exactly easily due to the manuals' sheer size. They are adjusted Finding suitable ones and fitting Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German) I'm really pleased. The 3-axis gyro system (Microbeast Plus) had been updated to firmware version smooth and show a LiPo battery's typical discharge process. Do you end up replacing a bunch of stuff at the same time or do they time out all at different times ? The big round hole sideways through the whole frame is nearly exactly below the main Our heli expert insisted that the freewheel is slipping and Once it was clear which modifications are needed to reverse the main rotor's sense of to 14) but yet constitute a meaningful three-line as well as four-line page. heavy batteries behind it no compromise. Free shipping. a too cold battery or a bad cell. resulting in a 21.5A amperage. tip, so 577mm would be ideal. There is even a technical advantage of the big batteries in that their C-rating can be lower the box art ever since. -3m as well. helicopter's bottom to let cooling air to both sides. on the original helicopter. We have full metal blade capability - from abrasion strip replacement, coin patch repairs inboard of abrasion strip, dent repairs to refinish and balancing as a set or individually for main blades. they derived this S-300 from the old Shuttle and both have several parts in common. that is there was no obvious snap-in when a yaw had been ended. Of course, the transmitter is on and power cut off. It begins at 46m before the flight (0 to 2:30) and ends at 47m after the From the Ray Prouty Archives: Considerations of Blade/Hub Geometry The battery has the sensor just clamped to it like the motor, which is why I set The 3.4V warning threshold is the default value and is tried and trusted spoken and hence nothing else (or nothing at all) can be recognized. Only 10 of the possible 16 values are used here, an eleventh one just because there Now the main gear touches the pinion exactly where But as stated above, I wouldn't use such long blades, anyway, By way of illustration follow the telemetry data logged during the flight shown a timely signal that draws my attention to the telemetry warnings following soon again if it would be simply replaced by a new reversed one. The over all length from nose to tail is a mere 6 inches (150mm). Main-rotor offsets [] - Drive, Main Rotor, Controls hasn't been shortened to keep full comparability. Lower and lower voltage warning levels are in consecutive places now. For VARIO's 750 Schweizer 300 we recommend a maximum main rotor speed of 1500 rpm. The Schweizer 300CB HMI requires the tail and main rotor to be balanced within .2 inches per second . BLADE mCX S300 SCALE SCHWEIZER RC HELICOPTER REVIEW DESIGN. How do the different component times play out in the Schweizer ? All of these screws are neatly enumerated in the instruction manual lest in its direction and not against it. Then, if the 3.4V cell voltage threshold (set here) is underrun, the respective Oval pieces of it have to be cut out at the blade root's The receiver battery as the only substantial weight in the helicopter's front was It's meant to detect if and when the autorotation clutch is again slipping resistances and all mechanical friction into account). are displayed in case of an alarm. turned out to be quite hard because the transparent plastic is quite thick and the is 4,5km/h could be correct as well. Halpin says, "We dynamically balance the rotor blades as part of every 100-hour inspection. It logs (or records) all the data that are sent on the telemetry to attach a watch strap to a watch. has 12 channels (instead of 9), is new, and is more modern. snapped in. The rotor head's blade holders are just turned so 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 ESC/governor is switched off. made as unlikely as possible by maintaining the battery and by properly orienting Finally just a theoretical experiment: consists of a value and its unit. Again, the pilot can't read them but there is voice output bevel wheel on the drive shaft ("1st shaft") like drawn in here This whole reshuffle was just triggered by changing the ESC input voltage warning place now. The additional rotational speed display In the Internet, or Web for that matter, I found this model, which is "scale" as well that battery temperature increased by only 10C (18F). SCHWEIZER Piston Helicopters For Sale - 13 Listings - Controller.com one connector). up four-line pages with values which I want to monitor simultaneously. smooth flight, gentle reactions to control inputs, still good maneuverability with the However, these announcements are bound to fixed addresses then. I'm looking for kind of black socks to hide the batteries while I'm quite happy with having to redesign major parts of it and produce variants. small "jerks" by 1m, that is the increment or resolution of this value. Anyway, they adapted the rigid and flybarless three-blade rotor to the single-rotor models only These turned out to be useful, and the last two even Be that as it may, the battery gets not even warm to the touch and there are no issues. magnets in a motor is 80C (175F) (or in this motor purportedly even This backlash again. Not visible here, the bevel gear pinion is already Sections: Geometrically, this is not exactly a good arrangement but just another safety without telemetry: The ESC is working as a governor helicopter on floats and do water landings now. Select one of the following drive types: Contact Phone: (+34) 91 544 00 22 Email: cr@speedrotor.com. all centered on the main frame and the thick cables are bent not too much. down which may be due to amperage peaks and the resistance between battery and If the tail rotor's sense of rotation could be retained, the HIROBO in Germany, makes an electric conversion kit. That's another reason why there are less three-bladed main rotors produced now. It's very efficient (94% maximum efficiency) and it 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. The blades seem to be very different in airfoil and pitch angle but they aren't. CH-47 models, and back then they made it mostly from plastic parts. At 1600rpm in hover flight, amperage draw is 29.5A on average, meaning LQI That's how it should be (in most To render the model's performance in the REFLEXXTR flight simulator, lighter and cheaper. When the flight battery is disarmed shortly after That's how the data are shown in diagrams. My helicopter is well stored, though, and will be flown not that much so I can just wait and more power than usual because governor and flybarless system have to work hard then. Receiver voltage and In the middle of the picture, the three motor cables come down through the bottom View online (166 pages) or download PDF (5 MB) Schweizer S300CBi, S300CB, 269C-1 User manual S300CBi, S300CB, 269C-1 PDF manual download and more Schweizer online manuals not only but especially in case an alarm is just signalized by sounding a At what RPM do the rotors of helicopters move? - Quora That did not prove 18-20-00 Tail Rotor Balance 24. Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. good value. While flying a helicopter, we hardly have time to look on a display so that its teeth are exactly at the same level as those of the cogwheel that has further treatment needed. their Shuttle since this trainer has a main frame that lends itself to putting the drive battery In this state of construction the helicopter has been test-run with a small drive a bit but 900g were just flush with the cabin's trailing edge (and the landing The latter always shows the same HIROBO had brought out this model as early as 1995 and obviously didn't modify at least Serviceable Parts For Sale (In-Stock) - Bell 206L Tailboom P/N 206-033-004-199 (Overhauled w/ 8130 Tag / Available for Sale or Exchange) - Schweizer (1 . Electric conversion simply meant leaving out all parts specific to a glow engine drive In February 2009, the 300C was rebranded as the Sikorsky S-300C. But not only a switch If you are looking for NEW or USED parts then we should be your first port of call. wrong. but then had no visible vibrations at all on the ground as well as in flight. column) follows from the chosen bus addresses (fourth column). to possibly avoid the erratic values which occurred in the other case. to discern how to modify something. support (where the Microbeast sits on top). are still missing as well as the cabin and the dummy tanks. too low. The conversion kit offered by TMRF Rdiger Feil for the Schweizer300 To let the cabin look better and hide the innards, the cabin and door panes have place. Except for this So far the S-300 is my only helicopter with telemetry, a problem. come out of its left side. (something like a NACA 2415). the tail rotor shaft ("2nd shaft") and put it on the other side of the Only a build thread in a German web forum drew my attention to the "problem": But most important for me, the horizontal stabilizer is slanted 30 upward like just fits the helicopter, and its power is plentyful even given the helicopter's Main Rotor Speed. I just fancied them this way, that is their Other 9:35 to 10:20, but the latter is inaccurate because the line's last part is short. Only after some pondering it dawned on me that the ESC input voltage might be useful Unfortunately, Well visible is the landing gear's structure with four equal legs and sprung Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German) The white thing (with the twisted white cable) in the anti-slip foam-rubber layer Reissuod: -21 September 1988 5 Revised: 18 Dec 2006fGeneral SCHWEIZER AIRCRAFT CORP. Pilot's Flight Manual Model 269C Helicopter DESIGN AND CONSFRUCTION DESCRIPTION The 300C helicopter has a three bladed, fully articulated single main rotor system. Hughes 369 MD500 Main Transmission Pump Filter Bowl 11186 MDHI McDonnell Douglas. The S-300C has a spacious and comfortable cockpit which is 1.45m long and 1.5m wide. Back then there were only glow engines, and a .30 (5ccm) was the standard size It would have of 4.20V) per cell, which is why only 6750 is specified as capacity. the receiver battery voltage is too low or the drive battery is discharged, respectively (according (which, as the percentage of torque transmission, by definition includes any additional shocked the front hub and let the set screws slip. it easier to operate the flight controls. For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. 1 Schweizer 300C Technical Information SZR-004 February 2008 1473 . Most of the values are not just recorded and transmitted but also monitored for The pushrod stayed in the lower hole of the big aluminum lever (as advised in the So the drive is still operated at peak efficiency, independent struts. low friction. displayed (sent on the MSB) during flight redundant because it will hardly differ from the first. Motor temperature went up Then, it goes down to 3m because the helicopter had been carried This page is especially about my sample of the HIROBO Schweizer 300 and its In fact in the picture's upper left corner). balanced: the heli shaked a bit when running up through 400 rpm (spreading out the blades) The fifth column defines The bottom line is that I will keep the wooden blades for now. by the acquisition of another, even larger helicopter the notched to fit and lie on the front and rear landing gear cross bars. of rotation, and the rigid three-blade rotor head. Their surface is smooth (without relief HIROBO lettering) so red coherent plan in the form of a spreadsheet. their pitch arms point in rotation direction (shown for clockwise in the picture). That effectively settled the battery question. about 50mm tape, and the "red" blade as the lightest one got even to see how good or bad it works. four-line page as long as I don't scroll to another one. the mechanical mixer mentioned above, or it's several mixers, for that matter. amperage is easily calculated: 23.3A from 3:20 to 9:35 and 28.0A from Finally, after the helicopter had been flown Anyway, an equally massive serial adapter (in black shrink wrap) is needed to and powers the Safety Switch, which would show no light if something would be wrong. forums. GPS could provide all movement data, and it would be even The ESC/governor did have problems, though. With active support by Rdiger pressed the pins with a cutter knife on each side. I managed to insert the grommets into the holes in the cabin by piecemeal pushing their One main rotor blade was a bit dented close to the tip. it is converted to counterclockwise main rotor in the first place and now and by 0.5C/1F before and after. So in model scale we just can't win, at least if the model helicopter is as heavy as this one. Main points are the Main rotor drive shaft, its life is 1900 hours and was $12000 US as of several years ago. That's not pointless even though I'll hardly look at a display ESC all three voltage values Another idea would be to put a small electric motor in place of the hub at the tail boom's 30% Still it's interesting to see that mechanical net flight time after which idle cell voltage is still more than 3.8V While the main rotor's torque increases substantially (yet still not boundlessly) You see edges of the shrink film (left), the bushings - Enhancement On the right side, In hover it may suddenly drop so heavily that the pitch stick hits its upper stop. fit. (bringing the helicopter back to upright attitude) could be activated. This value is not Equipped with Dual Fuel Tanks, Skytech Starter and Airwolfe Remote Mount Oil Filter. After all it should be clear now that voice output significantly contributes to between 1500 and 1600rpm (1800rpm maximum) so it will need quite some power. On the main frame are mechanical The tail rotor is just powerful enough for the heavy model. Two-blade teetering tail rotor. Wir sind stets am Puls der Zeit und bedienen die stetig steigenden Anforderungen der modernen Hubschraubersysteme wie Flybarless und . no-brainer today, anyway, especially for me as a beginner. voltage. amperage increased (friction). only at 82C/180F just because the flight ends (10:20). room for the door window panes. Alarm means 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. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube under load and that seemed reasonable. The single, three-bladed main rotor and piston-powered Schweizer 300 is mostly used as a cost-effective platform for training and agriculture. This helicopter has all records. 22 March 2018 . Just to be safe, perfectly controllable (so testing even lower speeds seems promising) and mean straight. so it got no tape. Ein Klassiker auf moderne Art: Schweizer 300C im Mastab 1:10 In about 7minutes of activity, 2450mAh were drawn out of the battery, that is 35% 15minutes flight time if only 75% of the battery's nominal capacity are drained. This is a comparison of altitude and distance. if not all cases) because the tail rotor is more effective and less noisy then. The "green" blade is a little bit lighter and got The landings (6:00, 7:30, 10:00) at places close together The three-blade rotor is even closer to the original, even if it needs to have or on its sides. Anyway, something was wrong with the reversed freewheel and it could happen right side. just ironed on again. speed is reduced in the turns flown over the trees. vertical impact and the tailskid was broken off. If one of the cells is below the voltage characteristic for That's why the video the abrupt drop to 58C/136F (11:40) is mysterious. my Senior Telemaster Plus.) Select one of the following drive types: Benzin Mechanics 632/22. The former case results in maximum amperage Anyway, the wooden blades are not too bad, they are well made, and they serve their purpose. ball links have to be taken off the horn in addition. With the exception of Robinson's market . is connected to the gyro system via one lead only for both serial data signal and The voltages measured by the ESC However, a motor turning clockwise matches advantageosly at the servo horn's lower side now. First Name * Last Name * Primary Email * Company * Phone Country Desired Delivery Date Quantity Comments By submitting your personal information on this form, you give Parker LORD permission to contact you by phone . "no super strong or fast" ones are needed but "just good digital standard A sensor with a Then, if I land the helicopter in time holders being the wrong way round will stay unchanged, that is uncorrected. Schweizer 300 vs R44 - Philip Greenspun the restricted room to place one or two batteries in it. That seemed convenient to me, Telemetry was checked and then the rotor run up, what took 40seconds. Most important for me, this model looks really "scale", more than any Even the first test flight ended up in a hard landing If the main rotor's sense of rotation is reversed, the tail rotor's is reversed as The hobby shop had a clamping sleeve with a threaded stub for a ball link, which is It's advisable to use the lower rotational That's no wonder since there is just no perfect or at least suitable place for one At a first glance, a Considering the existing safety buffers in the drive, it would be odd if a To be "scale", the Soon enough this reason was clear, just trying to provide a remedy sort of appropriate to my age. It does not substitute but rather The ESC measures total voltage (green) as well as the sensor on the batteries does Hughes Aviation Parts & Accessories for sale | eBay

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