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Schumacher Mi8

Old 02-03-2022, 01:50 PM
  #46  
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When the Mugen first came out I bought it for $550 from Amain...
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Old 02-03-2022, 04:16 PM
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Originally Posted by h2e
Steering limiter I thought of a wheelhub-mounted one to reduce forces on steering linkage.

Interesting insight to A800 popping ballcups. Then I assume Schumacher pops less often, as they tested a lot?

Thanks for your comments anyway.
Not sure I see you point about the linkages efforts. Inside wheel or outside wheel?
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Old 02-03-2022, 11:40 PM
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Originally Posted by Airwave
Not sure I see you point about the linkages efforts. Inside wheel or outside wheel?
I'll try to explain (on my h2e car):
If you have a corner clipping on your left wheel while turning, you will have a situation like pictured below:


Geometry when clipping a left hand corner.

So if a red force is acting on your left wheel due to barrier impact, your left wheel will have a reaction force from the servo holding the steering linkage. As the steering link on the left has only very small leverage (yellow fine line) to counteract that torque onto the wheel, further rotation can hardly be stopped and eventually a) the wheel rim will hit the top A-arm and break it, b) the wheel rim will hit the top A-arm and break itself or c) the driveshafts will bend/break.

You can test that limited "inside wheel stiffness" by trying to "overbend" the steering to more steering lock. For the outside wheel (blue in the picture), the angles are more favorable and thus the torque is higher to "overbend" the outside wheel.

So a steering stopper at the wheelhub acts as a (well designed) barrier to either crack the wheel rim or break the driveshafts by preventing excessive steering angles. If you only have a steering rack based steering limitation, it won't work.
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Old 02-04-2022, 04:58 AM
  #49  
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Get your orders in guys! Just got notification from Schumacher this morning that they're in stock! Excited.
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Old 02-04-2022, 07:13 AM
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https://www.eurorcseries.com/ets/202...chumacher-mi8/
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Old 02-04-2022, 08:07 AM
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My next benchmark car for the h2e five...
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Old 02-04-2022, 10:50 AM
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Originally Posted by Vwmofo
Get your orders in guys! Just got notification from Schumacher this morning that they're in stock! Excited.
mine will be at my front door Monday
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Old 02-04-2022, 12:48 PM
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Originally Posted by Marcos.J
mine will be at my front door Monday
Mine too! Also looks like the aluminum variant is sold out already.
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Old 02-04-2022, 01:33 PM
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Originally Posted by Vwmofo
Mine too! Also looks like the aluminum variant is sold out already.
mine was carbon
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Old 02-04-2022, 03:37 PM
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Originally Posted by Marcos.J
mine will be at my front door Monday
Same. Also carbon. Bring on the outdoors!
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Old 02-04-2022, 08:51 PM
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Default So many new toys...

Inspite of thr global Covid situation, its awesome to know that boffins in rc car companies are still busy and motivated to innovate (and I do mean all companies, including the X brand).

In case no one has said it... A big Thanks to the rc companies for keeping our hobby interesting, fun and always new (and plenty for us to chat about...)

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Old 02-05-2022, 09:12 AM
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Originally Posted by Marcos.J
mine was carbon
You must live somewhere with outdoor onroad tracks. Makes me jealous as I sit and look out at the 10" of snow we just got.

Did anyone else's shipment get delayed, or am I the only lucky one?
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Old 02-05-2022, 10:51 AM
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Originally Posted by Vwmofo
You must live somewhere with outdoor onroad tracks. Makes me jealous as I sit and look out at the 10" of snow we just got.

Did anyone else's shipment get delayed, or am I the only lucky one?
mine landed in the USA this morning i live in florida so all we have are outdoor asphalt tracks
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Old 02-05-2022, 11:06 AM
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Originally Posted by Vwmofo
You must live somewhere with outdoor onroad tracks. Makes me jealous as I sit and look out at the 10" of snow we just got.

Did anyone else's shipment get delayed, or am I the only lucky one?
Mine was as well. C'mon UPS, pull through!
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Old 02-05-2022, 10:19 PM
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Nice car Schumacher.....Hope to see one at the track soon...
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