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BeastX FBL System BeastX FBL Flybarless System Software and Hardware Support |
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05-08-2012, 01:01 PM | #1 (permalink) |
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Correct me if I am wrong here on the pitches
Helicopter : Vibe 50
Head: RJX FBL Micro Beastx helicopter was setup.. doing perfectly fine, then I had a hard landing one day, stripped a gear, replaced it, and installed the bearing block on the trque tube wrong way. went for tic toc, and gear lost contact.. heli spiraled to a crash. Its back up now, and everything is the way it was. Feathering spindle did not damage in the crash, broke my blades and bent the main shaft. so.. now that I am setting up everything and I put my blades in, I noticed my blades pitch was not the same. one had some negative pitch in it... lying on a level table.. without too much movement. I level that blade out. cool.. now i turn it off. and again turn it on, ummmmm... that same blade is off again. I am like WHA! ok... level it out again.. then I put the beast in setup mode menu G i think where you check level swash, to see if I got zero pitch on that level swash. the swash is as level as could be.. (as it was before the crash). ok.. I check the blade.. still looks like its off. I think may be its my eyes or the trex 600 flybar install tool thats sits on the head button.. Now I know rjx head top is rouunded, so there is no flat surface for it to sit, so it might very well be off.. anywaz.. every time I checked it.. I had that blade off on pitch. I ended up with two different lengths on my push rods. one 4 - 5 turns more than the other. I was like this doesnt make sense. ITs totaly nuts. I put the longer one back to exactly equal to the one which would show zero, and installed it back again. the blade was still off by almost the same amount in normal mode on beast. Then i folded my blades back to see if they would align at mid stick. NOPE. they had some pitch in them. I am totally confused. I move the sticks around and bring it to mid stick, and every time they come a bit closer. about 60 percent collective input puts the folded blades at exact same level. Levelled swash. equal lengths on the pitch links. perfectly setup head.. what am i doing wrong. I am just thiking of doing a hover and seeing if the blades track.. if they do.. well I am lost! if they dont.. I am still LOST! lol what do you think happened here? lol
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Goblin Gasser TRM VX310TT Align MJ Design DTS 700N 91 HZ-R 3D Blackout Extreme Gasser #4 MCPX BL 2 iX12 Gaba |
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05-08-2012, 01:17 PM | #2 (permalink) |
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Join Date: May 2011
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This can only be checked in mode g--when out of setup mode the readings will not be correct as gyro is active.After making sure swash plate is level in step G--check for zero pitch on blades at this time.Then procede to cyclic set-up--not sure of step--make sure you have the proper settings.Should be all set if all done properlly in setup mode--Hope this helps a little--Walt
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05-08-2012, 01:30 PM | #3 (permalink) |
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Yep, and when you re-do G, and then adjust the links etc in there, do not forget that any and all link adjustments must be done with one of the servos active, with a light on, so that all servos are at their MB corrected centres and not the default mid position.
Cheers Sutty
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Regards, Sutty BeltEXI, mCX, mSR, 4G3, FBL Trex250SE µB, FBL Trex450Pro µB, FBL Trex550e VX1 Pro, FBL Trex600ESP VX1e, Parkzone P51D, QRX350Pro |
05-08-2012, 02:37 PM | #4 (permalink) |
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Can't you also check in Parameter menu step A ?
Manual page 64?
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05-08-2012, 09:27 PM | #5 (permalink) |
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That's where I am getting stuck that even in G every time pitches ads different lol
I will try to fly it and see if the tracking is off... And then may be time to invest in digital pitch gauge. Lol
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Goblin Gasser TRM VX310TT Align MJ Design DTS 700N 91 HZ-R 3D Blackout Extreme Gasser #4 MCPX BL 2 iX12 Gaba |
05-09-2012, 04:42 AM | #6 (permalink) |
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Join Date: Jan 2010
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As Sutty mentioned, when in step G also make sure you have a colored light on. Blue, red, purple, it doesn't matter which one as long as one is lit. If the main led is off while measuring you will for sure get some weird readings.
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