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Feb 23, 2013, 07:20 PM
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davehour's Avatar
As Chris pointed out, steering bikes requires good management of throttle and brakes. You can watch one of the Chris's videos and see how bad he steer his bikes . Make us feel a little behind, LOL.

This is one of the aspects we love bikes over cars. Bikes don't steers like cars anytime.

David
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Feb 23, 2013, 07:23 PM
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davehour's Avatar
Quote:
Originally Posted by chktm
David I've found any play in the gyro bearings and the bearing to rotor or bearing the flywheel fit, ( I used locktite to eliminate and pick the best bearings ) rear wheel bearings, swingarm and or an out of round or wack rear tyre can cause the bike to wobble badly while pulling wheelies. I'd be balancing the flywheel also to improve the bike in that way. Ideally I'd like to see the flywheel be able to be supported by three bearings. This would help the flywheel stay completely slop free. Attention to detail in the rebuilding of the bike will help. Another trick is to keep the power applied gently when pulling wheelies it seems when the throttle is reduced or backed right off the bike can start to wobble in some wheelies. Hitting bumps while pulling a wheelie can cause the wobbles sometimes also.
Quote:
Originally Posted by Jonathan Bradbury
You can be ever so slightly ''out of balance'' per se when you throttle out of a corner.

A slight bobble in the surface will deflect you and the only(?) answer is swift thumbs to throttle back and recover, otherwise, you get collected by moments of inertia with the gyro.

All part of the fun of biking.
Thanks guys for the help.

Yes, the gyro bearings are needing replacement soon as they are chattering. And the flywheel needs to be balanced.

David
Feb 23, 2013, 08:54 PM
Registered User
Quote:
Originally Posted by iflybyu
Good call. I will drive it first and go from there. I have a Hitec 7955 and a futaba S9156 both are 300+ in/lb torque and around 0.15 sec.

What type of fluid do you use? Associated, Losi, etc??
Generally I use Losi oil. For my 70wt I use a mix of 80wt AE and 60wt Losi for the rear shock. TJs big bore setup seems to look like it works well and is worth trying.
Feb 23, 2013, 08:58 PM
Registered User
Quote:
Originally Posted by davehour
As Chris pointed out, steering bikes requires good management of throttle and brakes. You can watch one of the Chris's videos and see how bad he steer his bikes . Make us feel a little behind, LOL.

This is one of the aspects we love bikes over cars. Bikes don't steers like cars anytime.

David
Your right there David bikes are nothing like cars to steer. It makes it hard as you are holding a wheel though and it can trick you into thinking it will turn like a car lol.
Feb 23, 2013, 08:59 PM
Registered User
Quote:
Originally Posted by davehour
Thanks guys for the help.

Yes, the gyro bearings are needing replacement soon as they are chattering. And the flywheel needs to be balanced.

David
Yea, replace the bearings and balance the flywheel and I'm sure you'll feel a big improvement in the bike.
Feb 23, 2013, 09:24 PM
Registered User
Got a few laps in before the supercross .
Atomik MM450 more green laps (3 min 39 sec)
Feb 24, 2013, 12:45 PM
RC Dirt Bike Action
JohnnyMc's Avatar
Great vids TJ & chktm. Looks like a lot of rain has been falling because everything is so green now lol.
Feb 24, 2013, 03:28 PM
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Quote:
Originally Posted by JohnnyMc
Great vids TJ & chktm. Looks like a lot of rain has been falling because everything is so green now lol.
Definitely had some rain, everything is looking green and alive again . Helps the track stay together also. Looks better a bit of green in the vids instead of dry dead grass lol.
Feb 24, 2013, 04:53 PM
Registered User
TJ, What is the thread on the shock shaft? I an going to do up a shock end like yours and don't have any metric dies to test for correct tap use.

Mike
Feb 24, 2013, 06:35 PM
If u aint 1st your last
Throttlejunkie's Avatar
Quote:
Originally Posted by iflybyu
TJ, What is the thread on the shock shaft? I an going to do up a shock end like yours and don't have any metric dies to test for correct tap use.

Mike
Cool, It is an M4 mate.
Feb 24, 2013, 06:38 PM
If u aint 1st your last
Throttlejunkie's Avatar
Quote:
Originally Posted by JohnnyMc
Great vids TJ & chktm. Looks like a lot of rain has been falling because everything is so green now lol.
Yeah mate too much, i wish it would go away it is interfering with my rc time.
Feb 24, 2013, 06:54 PM
Registered User
Quote:
Originally Posted by Throttlejunkie
Cool, It is an M4 mate.
Thanks a lot. I will post pics when done.
Feb 25, 2013, 12:31 AM
Registered User
Pulled out the big bike again for a quick squirt. Nothing flash.
KTM 250 short squirt (4 min 30 sec)
Feb 25, 2013, 06:58 AM
Registered User
UFRC's Avatar
:...
Last edited by UFRC; Feb 25, 2013 at 08:01 AM.
Feb 25, 2013, 07:16 AM
If u aint 1st your last
Throttlejunkie's Avatar
Quote:
Originally Posted by chktm
Pulled out the big bike again for a quick squirt. Nothing flash.
http://youtu.be/wNGdAcEOM0g
Nice mate, that bike is awesome & i can't believe how stable that camera is.


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