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R/C Tech Forums Thread Wiki: Official Team Associated RC10 B5m Mid-Motor Thread
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Old 07-18-2015, 02:41 PM   #14566
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I know this is a lame question. But, I am new to racing and also have a 7yr old who will eventually try to drive my B5m. Is there a front bumper that will decently protect the a arms? If so, what is the impact on driving/jumping, etc and where can I find a decent one. Thank in advance

Anyone have any advice on a suitable bumper and impact on handling? Thx!
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Old 07-18-2015, 03:29 PM   #14567
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Anyone have any advice on a suitable bumper and impact on handling? Thx!
I wouldn't try to run a big front bumper. The front arms are pretty strong. a full size bumper upfront would make the car handle differently. All the extra weight in front of the car will upset the balance, could effect how it jumps. Those big bumper will also get hung up on tubes leading to more wrecks
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Old 07-18-2015, 03:32 PM   #14568
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I'm not aware of any specific large "basher style" bumpers for a B5. I use the stock B4 skid plates on my B5's. RPM makes this: http://www3.towerhobbies.com/cgi-bin...?&I=LXGFH7&P=7 No promises that it would work, have not seen anyone try it. Holes should line up.
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Old 07-18-2015, 06:54 PM   #14569
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Here you go for big bumpers.

http://t-bone-racing.net/B5-Mid-Engine-c569/
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Old 07-18-2015, 06:56 PM   #14570
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the T5m bumper fits from what I hear. Its almost the same but a tad wider and protects the arms a tad too.
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Old 07-18-2015, 07:32 PM   #14571
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I wouldn't try to run a big front bumper. The front arms are pretty strong. a full size bumper upfront would make the car handle differently. All the extra weight in front of the car will upset the balance, could effect how it jumps. Those big bumper will also get hung up on tubes leading to more wrecks
+1 I've seen a lot of those huge front bumpers cause the car to get stuck on whoops and holes and whatnot where there is a steep angle.
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Old 07-18-2015, 08:06 PM   #14572
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the T5m bumper fits from what I hear. Its almost the same but a tad wider and protects the arms a tad too.
The t5 bumper is exactly the same as the b5
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Old 07-18-2015, 08:10 PM   #14573
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B4 bumper works too and covers hinge pin cover
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Old 07-18-2015, 09:58 PM   #14574
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^^^ yes the stock AE B4 bumper works fine. If you want a little more coverage without being to much bigger the RPM B4 bumper covers a little more then the stock AE B4 does.
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Old 07-18-2015, 10:14 PM   #14575
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The reason this was done is bc Kurt and a lot of guys are using ball cups instead of the lock nut so it doesn't damage the battery and the old screws were to short couldn't get the ball cup tight enough to hold the battery
How would you use a ballcup i stopped using the screws and the locknut because it did put 2 small dents in my battery, now i just use the foam and the battery strap without the screw and the locknut.
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Old 07-18-2015, 10:56 PM   #14576
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Originally Posted by Cpt.America View Post
I think maybe there isn't enough B5m pron on this thread lately, so let me share my rebuild. Carbon chassis build is complete along with new wiring. New paint is up next. Here is how the chassis layout ended up.
Beautiful install Brandon! Very nice detail work.
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Old 07-19-2015, 04:26 AM   #14577
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Hey. Guys ,

To save me months of research , what is the proven best 17.5 spec motor on med to large out door tracks ?
Straight out of the box legal motors .....

Thx chad
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Old 07-19-2015, 04:36 AM   #14578
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How would you use a ballcup i stopped using the screws and the locknut because it did put 2 small dents in my battery, now i just use the foam and the battery strap without the screw and the locknut.
Ya the locknuts are a bad design. I used two old ballcups and cut the ball part off with a dremel. Then used longer screws to get them nice and tight. Works great.
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Old 07-19-2015, 05:52 AM   #14579
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I used something like this with my Schelle Strap:

http://www.tqrcracing.com/shop/produ....asp?p_id=8209

You could use something longer, there are longer posts made by the same company.

This also works, and you could some fuel tubing around it to prevent dents in the battery:

http://www.exotekracing.com/alloy-posts-18mm-blue-2/

Last edited by RCBuddha; 07-19-2015 at 06:06 AM.
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Old 07-19-2015, 06:42 AM   #14580
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Originally Posted by Cpt.America View Post
I think maybe there isn't enough B5m pron on this thread lately, so let me share my rebuild. Carbon chassis build is complete along with new wiring. New paint is up next. Here is how the chassis layout ended up.
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Did you sand and seal the carbon fiber?
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