XRAY - Model racing cars

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 Post subject: trick for bumpy track
PostPosted: Mon Nov 14, 2016 12:33:03 
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Joined: Fri Nov 11, 2016 17:31:09
Posts: 1
hi,

when the carpet is not perfectly pulled, there are area with bump (or bubbles) where the car looses his stability becoming very difficult to be driven.
Is there any trick in order to avoid this issue?


what happens if I leave more play between in the front suspension (removing some shims between the arms) ?

many thanks for the replies

bye :wink:


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 Post subject: Re: trick for bumpy track
PostPosted: Wed Nov 16, 2016 09:33:25 
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team driver

Joined: Tue Sep 17, 2013 04:49:52
Posts: 70
fabri79 wrote:
hi,

when the carpet is not perfectly pulled, there are area with bump (or bubbles) where the car looses his stability becoming very difficult to be driven.
Is there any trick in order to avoid this issue?


what happens if I leave more play between in the front suspension (removing some shims between the arms) ?

many thanks for the replies

bye :wink:


Hi Fabri,

When I find myself on a bumpy track I generally try the following:

- Increase Pod Droop - Normally I would run around 1mm to 1.5mm pod droop, on a bumpy track I'll run upwards of 3mm to 4mm of droop.
- Softer Center Spring - For stock classes I always run the black spring, but under bumpy conditions I will go to the gold spring.
- Raise Ride Height
- Increase Front Droop - You mentioned this and it helps a little bit, but not drastically.
- Softer Side Springs - Would normally run the Gold springs (Black if I need steering) but when the track is very bumpy I would drop down to a softer spring.
- Add Caster - Adding caster will help keep the car tracking straight over bumps
- Soften Side Tubes - This is subtle, but it can help the car get through bumps that happen to be in a corner.

The general theme here is to soften the car up. Make sure you raise your body up too so the front of the body doesn't catch on the bumps.

These things have worked for me, but I'd be curious to hear what others say.
Luke


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