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Yokomo BD9

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Old 08-06-2019, 12:35 AM
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Had a center belt pulley break off the black ring portion that keeps the belt in place. Be sure to check these because when mine fell off, it locked up the drivetrain and cracked the top deck. Just a few drops of CA and the pulley is fixed, but I wish I caught the issue beforehand.
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Old 08-06-2019, 04:18 AM
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Originally Posted by purplerain View Post
Had a center belt pulley break off the black ring portion that keeps the belt in place. Be sure to check these because when mine fell off, it locked up the drivetrain and cracked the top deck. Just a few drops of CA and the pulley is fixed, but I wish I caught the issue beforehand.
definitely a known issue.

Xray T4 pulleys work and won’t come loose.
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Old 08-06-2019, 06:58 AM
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Originally Posted by purplerain View Post
Had a center belt pulley break off the black ring portion that keeps the belt in place. Be sure to check these because when mine fell off, it locked up the drivetrain and cracked the top deck. Just a few drops of CA and the pulley is fixed, but I wish I caught the issue beforehand.
I had the same thing happen on Friday to both pulleys. I had read the warning on the Yokomo website so I was checking them often. I caught it in time, no damage and easy fix with CA.
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Old 08-07-2019, 04:59 AM
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Originally Posted by The Teacher View Post
STLNLST, when you went to 2mm under the suspension blocks did you also raise the upper-inner camber link as well? Martin Hofer has a new setup on petitrc where he does something similar. I thought I saw that you have made the main (Clinton right...?), congrats!
I only adjusted the front camber link after my first run with it. Yes that ls me that made the main. Thanks for the congrats. The car felt great after this change. It does become a bit responsive in doing so.

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Old 08-12-2019, 03:17 PM
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Despite this recent big race success and how great this car has been for me right out of the box and the desire to try the hard carbon and magnesium chassis options, I am still convinced that mid motor/equal belt length designs are the future. I also bent my stock chassis in a really bad "tick boom" incident soooo... since I had to get something anyway, I ordered the Arrowmax Medius conversion via snail mail direct from Arrowmax (not sure if it was really in stock anywhere else).
I don't like how spread out the electronics are on the Zero Tribe and Cox. The Rebellion looks fantastic but it's very expensive and I have a lot of cars in the stable that I'd like to buff. So Medius it is
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Old 08-14-2019, 06:45 AM
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I also just found out that the drive pulleys are 19 tooth so 2.0 drive ratio (T4 conversion pictured so no shorty option on the BD9).
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Old 08-16-2019, 01:38 PM
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Used by Martin Hofer in his winning Yokomo BD9 in Stock class at Germany Nats 2019
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Old 08-16-2019, 06:19 PM
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question
most of the time ,building shock with Zero rebound for asphalt ?
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Old 08-17-2019, 12:28 AM
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Originally Posted by OVA View Post
question
most of the time ,building shock with Zero rebound for asphalt ?
yep
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Old 08-17-2019, 04:35 PM
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I will be getting a BD9 Aluminum Kit and AM Mid Motor Medius Kit soon.

Rebellion-RC announced a new tunable flex aluminum chassis ready in about 3 weeks or so for their mid motor kits too. Interesting. I don't think they had any aluminum chassis version before did they?

https://www.redrc.net/2019/08/rebell...m-chassis-kit/
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Old 08-18-2019, 02:40 AM
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I'm about to install the Medius kit and I see that all of the ESC position behind the motor ...
is it just for a space problem or weight balance ???
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Old 08-18-2019, 06:31 AM
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Balance and better wiring.
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Old 08-20-2019, 09:12 AM
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Been continuing the push of the BD9 these last few weeks and I just love this dam car.. just as much no more than I did when I first bought it I will be doing the Arrowmax Mid conversion as well with the alum base. If my car get's any better then it currently is I may do a backflip lol..

Recently went from the Dog to the Hello kitty body and dam.. they both work amazing but the Hellcat is my new favourite on road glitch part


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Old 08-20-2019, 10:06 AM
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Originally Posted by DavidNERODease View Post
I had the same thing happen on Friday to both pulleys. I had read the warning on the Yokomo website so I was checking them often. I caught it in time, no damage and easy fix with CA.
Do you happen to have a link for that? I was looking at the website and I must have missed it. Being that I am building mine I just want to take care of it right away.
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Old 08-20-2019, 10:19 AM
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Originally Posted by Mightymango View Post
Do you happen to have a link for that? I was looking at the website and I must have missed it. Being that I am building mine I just want to take care of it right away.
I glued mine as well. No pictures but the two pulleys sitting on each side of the spur gear. The guards pop off, pop them off by hand and just glue them right away.
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