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Atom 6HV, 6HVU and 550 Ultimate Compass Atom 6HV, 6HVU and 550 Ultimate Model Helicopter Discussion |
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03-04-2012, 02:57 PM | #1 (permalink) |
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Tail issue might be fixed!
We im sure some of u seen my thread about how i was hating my tail on my 6hv to the point of where i used after market tail grips..but today i took both my 6hv out and took apart the tails to compare them cause on my original 6hv my tail issues were not that big of a deal....so i was messing around on my 6hv with the bad tail and i noticed something new...i have binding of the tail hinge ( see link) its very rough its sticking like crazy..my other 6hv its like butter..so im thinking that might be the issue a bad HINGE.....but before i by a new one any ideas how to make it nice and smooth? i think u have to tap out the pin right to take it off? maybe the pin is slightly bent making it bind??
http://www.nankinhobby.com/Compass-P.../prod_254.html
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
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03-04-2012, 05:31 PM | #2 (permalink) |
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i think u need a 2mm punch and secure the boom good so i dont bounce around when tapin the pin out had to do that on my atom 550 with roll pins
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03-04-2012, 05:47 PM | #3 (permalink) |
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cool got it out and i messed around with it and finally got the hinge nice and smooth and i also put longer balls on the blade grips so everything on the tail is like butter charging lipos now to do a test hover ..hopefully this cures all my stocl tail issues
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
03-04-2012, 06:55 PM | #4 (permalink) |
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well im pissed man. just did a test hover and my tail sucks ass...i went over every part of the tail to make sure it was smooth as hell..i have no binding anywhere its buttery smooth it can't get any better...so ive come to two conclusions #1 its my skookum causing the issue....second i just have a defective tail blade grips..so im gunna do two things as alast resort before i stick to my after market tail witch i have a perfect tail with....first im gunna have my buddy take off his stock tail grips off his 6hv where it work ;;;going to put my tail blade grips on his heli...if his heli all of a sudden has a crappy tail i know i have a bad set of grips.......and if he doesn't have any issues then its my skookum....only think i can think of at this post....so will see i might just throw a vbar on this problem heli to see what happens also..well see
Edit: im taking skookum off right now and putting a vbar on it....i had no issues this bad with a vbar so will see what happens
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
03-04-2012, 07:43 PM | #5 (permalink) |
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My 6HV had similar issues. I traced it to some other form of vibration. Tail would wag no matter the gyro, no matter the new plastic bits, etc. I could see the tail servo jumping back and forth w/ main blades off on bench once I hit a certain RPM. I never knew exactly what part/bearing was causing the vibes, I ended up wrecking and rebuilding the heli for FBL.
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03-04-2012, 07:47 PM | #6 (permalink) | |
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Quote:
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
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03-04-2012, 07:53 PM | #7 (permalink) |
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Anti Taco,
I am very interested in your progress on the tail. For the record, I have a V-Bar on mine and the tail is very locked in. The Skookum should work as well, I would think. Jeff uses the Skookum units with great success, so you might contact him as well. Please continue to keep us posted, sir.
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03-04-2012, 08:04 PM | #9 (permalink) | |
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Quote:
ive had tail issues with my skookum ever since ive owned it first it was on my velocity 50n had a little wag had to gel padding to fix it then i put it on my trex 500 and i had kinda the same issues im having on my 6hv....and now the 6hv and sk720 giving me probs so maybe i got something wrong with my unit..well see gunna start putting on vbar tonight and should be ready for testing tomorrow some time..
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
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03-04-2012, 08:05 PM | #10 (permalink) |
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If you spoolup on the bench without mains just pop the linkage off the tail slider so the tail blades have no torque. You probably already know that though.
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03-05-2012, 10:37 AM | #11 (permalink) |
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Do You run it govonered? My tail bounce was the govoner on my 120a hobbywing. I had quite long battery leads so I added extra capacitance to the ESC. Not only did the Gov work perfectly but the tail wag I just couldnt get rid of vanished!
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6hv (fb) 7hv DX8 |
03-05-2012, 11:01 AM | #12 (permalink) |
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yeah i run it Gov'd with my CC ice 80HV and i just us a small series harness to connect my lipos to ESC so i don't think its too long...right now im putting a vbar on to see if anything changes
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
03-05-2012, 03:24 PM | #13 (permalink) |
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Anti-Taco, I am battling a wag myself right now, however i have seen progress while adjusting the tail gain in the Vbar software, I think that with the 5.2Pro upgrade you will find that you have a very detailed platform for adjusting every single aspect of the gains in the tail. i feel like im close, i did however just order a new pair of the stock tail blade grips, as i had found a small crack in one of mine. hopefully this will help.
I'm by no means an expert at Vbar tuning yet, but i'd be happy to help you out if and where i can. |
03-05-2012, 03:55 PM | #14 (permalink) | |
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
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03-05-2012, 04:13 PM | #15 (permalink) |
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Awesome man, i look forward to seein how it turns out for you, Thanks for bringing up the end points, because i know mine are pretty far off currently, so that reminded me that i really need to dial in the mechanical set up.
Best of luck to you and your heli! Seth |
03-05-2012, 04:17 PM | #16 (permalink) | |
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
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03-05-2012, 04:26 PM | #17 (permalink) |
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that makes perfect sense, i know i have done it backwards more than once and wound up with a headache. thanks for the tip man
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03-05-2012, 04:32 PM | #18 (permalink) |
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Mr.Taco I am sure you have already done so but i don't think anyone has asked yet so I will. You did move the ball in on the tail pitch slider from the factory setting ?
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03-05-2012, 04:52 PM | #19 (permalink) |
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+1 on Dom's suggestion and once done you may want to move the ball out on the servo.
Also, if you run Vbar set the values for Acceleration, P gain and I gain all to 75 and give it a go. Play with the main gain after that. Run the optimizer as well for a flight or two and then turn it off once it's perfect. Make sure the tail servo type is set to BLS251 when using brushless 760us tail servo or 8900g if its 1520us... I am sure you know that but still. Seth, also check your tail grip thrust bearings. Larger ID ball race goes first. You can take off the grips and just wiggle it. The ones on the inside are supposed to be loose. Once dialed in, the tail works just fine.
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03-05-2012, 05:43 PM | #20 (permalink) | ||
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Quote:
Quote:
Yeah I'm.running the outrage 9188 tail servo and have it set for servo type for futaba 251 Servo atm.....turned on optimizers..and bumped up tail acceleration to 70 and other tail setting from stock setting of 20 to 35 forget the name of that one...but it makes start and.stop of the tail more.Sharp just like pot 3 on a beast x......hoping to.do.a.test hover in the morning.....i.have a good feeling about the tail and vbar :-) since.my tail.is.so.perfect in.terms of no.binding.of any mind its like the tail pitch slider is floating on.air and i feel I should.have no.issues and.get a perfect tail unlike I.did with the sk720 i.really believe it had to be the sk720 causing issues last time.since.ever since I owned the sk720 I've had tail issues on a few heli and never like.the sk720.....so I.hope I'm right about the sk720 causing my issues last time around.......other.wise I.really am.lost..and ill.just end.up.using a quick UK tail blade.grips to get my perfect tail witch still.makes no.sence.to.me why with the sk720 I would.get a perfect tail.with my outrage fusion 50 tail.blade grips...any way I know.soon what's up....thanks.for.all.the help.guys with everything so.far.........
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Compass 7HV 9180/9188 Vbar Compass 6HV 9180/9188 Skookum,4025-630KV Compass 6HV Savox/ 9188, Vbar, Fusion 50 9080/9088 Beast X Velocity 50n 9080/9088 VbarSAB Goblin 9180/9188 Kontronik helijive Coming soon |
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