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HelicopterThunder TigerOther › Trouble! R60 metal main rotor hub....
09-07-2003 08:37 PM  14 years agoPost 1
bl8zn

rrVeteran

New Jersey

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i purchased the metal main rotor hub for my r60 and since installing it i am experiencing a side to side wobble at hover...i greased the dampeners and all shafts are straight and true..i did not experience this wobble with the stock plastic rotor hub and am very frustrated so far with this upgrade....blades are balanced, flybar even on both sides of carrier and flybar paddles aligned properly. i thought maybe it could be engine tuning so i leaned it and richened it with no success....i flew just 2 days prior to installing the metal hub and all was well....what could it be.....someone told me to install rick's o-ring upgrade which i plan to do but shouldn't it be able to fly without it....i'm going to install the stock hub to see if it could be the metal one causing this problem (which i definitely think it is since it didn't happen until it's installation)...anyone with any suggestions your input would be appreciated.....this is the TT metal hub....could i have gotten a bad one...Please help....thanks...

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09-07-2003 10:14 PM  14 years agoPost 2
3dbasher

rrNovice

lincolnshire uk

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metal head block

hi i had the same problem with my r60 because it had a v1 head on it and was out of true,your metal one may have the problem! another thing to try is to grease the spindle so it can slide in the damper rubbers and find its own centre.

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09-07-2003 11:58 PM  14 years agoPost 3
psawya

rrKey Veteran

Woodinville, WA

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Try bumping up your head speed a little, maybe 50-100 rpm more than you have now. It seems to be related to dampening. The Rick's O-ring upgrade will allow you to adjust your dampening. What probably has happened is that the metal hub has caused your dampening to stiffen up some.

Hope this helps,
Pete

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09-08-2003 12:05 AM  14 years agoPost 4
G.Man

rrProfessor

Bristol

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up the headspeed as the metal head is very stiff it "nods" more than the plastic head

Don't Email me as I wont reply - PM Only (spam countermeasures)

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09-08-2003 12:40 AM  14 years agoPost 5
bl8zn

rrVeteran

New Jersey

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YOU GUYS WERE RIGHT !!!!!! i highered my throttle curve on my 9c by 3% each step and walla....no more wobble! i think you're right that the metal hub stiffens everything up a bit.....i appreciate all the help....well gonna go to rick's site and get the o-ring upgrade....also gonna shop around for a gv-1 as i don't have anything to measure my head speed and like that you just set the headspeed you want and don't have to worry about throttle curves...now just gotta figure out why my tail kicks every now and then....it's not to bad but there....probably engine tuning....RUN RYDER has to be the best asset that any pilot can have ....instant help and info from fellow pilots....would have taken me a long time to figure this out by my lonesome...well thanks again!

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09-08-2003 01:17 AM  14 years agoPost 6
psawya

rrKey Veteran

Woodinville, WA

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I'm real happy with my GV-1's. Wouldn't fly without it. Basic throttle curves for backup, straight line pitch curve, -10 to +10. Setup doesn't get any more simple than that.

Pete

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HelicopterThunder TigerOther › Trouble! R60 metal main rotor hub....
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