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Backwards clutch shoes...anyone try it?
HPI Baja Suspension and Drivetrain Mods
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04-26-2007, 04:46 AM
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Backwards clutch shoes...anyone try it?
Just wondering if anyone tried this. Flip the clutch shoes around for a more positive clutch engagement and less slipage.
Here are some pics.
This is how it regularly is:
This is with them backwards:
Has anyone tried this and if so what did you think?
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04-26-2007, 05:15 AM
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Custom Carbon Fiber
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If it works like 1/10 scale off road clutches we use in the sprints do, then they should stay engaged longer and like you said have a more positive feel.
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04-26-2007, 05:21 AM
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Bajastafarian Madnes
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thougt about it but never did it. kinda surprising considering both times i put new shoes on i was in a HAZZY state of mind. lol
T
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04-26-2007, 02:09 PM
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ALL ABOUT SAND
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Hurry up and try it. 
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04-26-2007, 07:24 PM
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"Wider IS Better"
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worst case scenario, your out 18 bucks for another set of shoes
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04-26-2007, 10:19 PM
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Roofintrash and I tried them backwards today. Got a tank ran through each Baja before the rain got too bad. I'm going to take mine apart tonight and will post pics. It works great because it seems the clutch shoes don't slip at all, but we think one of the high rev clutch springs would help. The sand was wet and we ran the paddles so taking off from a dead stop seemed to make the motor bog slightly because the clutch is no longer slipping(so it seems).
I'm going to order some different clutch springs and see if the low end starting bog goes away. Traction was great today with the wet sand, in dry sand the bog might not even be there cause the tires will be able to spin easier.
Roofintrash what do you think after running it? To me it definitely felt more hooked up. Did you take yours apart yet?
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04-26-2007, 10:25 PM
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I Like Things That Ping
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Quote:
Originally Posted by modifier
Roofintrash and I tried them backwards today. Got a tank ran through each Baja before the rain got too bad. I'm going to take mine apart tonight and will post pics. It works great because it seems the clutch shoes don't slip at all, but we think one of the high rev clutch springs would help. The sand was wet and we ran the paddles so taking off from a dead stop seemed to make the motor bog slightly because the clutch is no longer slipping(so it seems).
I'm going to order some different clutch springs and see if the low end starting bog goes away. Traction was great today with the wet sand, in dry sand the bog might not even be there cause the tires will be able to spin easier.
Roofintrash what do you think after running it? To me it definitely felt more hooked up. Did you take yours apart yet?
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I'm running the red hpi rpm spring.....I will flip mine to try it this weekend!!
Hope fully it is like.....POW!!....In with Authority!!
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04-26-2007, 10:31 PM
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ALL ABOUT SAND
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Very interesting Modifier. So let me get this straight. When the shoes are installed backwards they are being held better to the CB because of the forward movement, rather than opposing oposite of which way the CB rotates? Or have I gone crosseyed?
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04-26-2007, 10:36 PM
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Quote:
Originally Posted by Adamtrax
I'm running the red hpi rpm spring.....I will flip mine to try it this weekend!!
Hope fully it is like.....POW!!....In with Authority!!
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Adam that's great, thank you! please post your results in this thread, depending on tire choice and running surface the high RPM spring might not be needed. Thanks again I'm looking forward to hearing your results.
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04-26-2007, 10:48 PM
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Quote:
Originally Posted by Generalg40
Very interesting Modifier. So let me get this straight. When the shoes are installed backwards they are being held better to the CB because of the forward movement, rather than opposing oposite of which way the CB rotates? Or have I gone crosseyed?
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When they are installed backwards and they open up they get forced into the clutch bell harder. Here's my best shot at explaining it: Running them backwards means the shoe(and weight) is in front of the pivot point(mounting bolt).
Running them regular or forward means the shoe is behind the pivot point, which will let it slip easier.
I hope this makes sense, It's hard to explain physics.
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04-26-2007, 10:48 PM
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Baja Mafia
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Definitely no slip. When they hit the bell your movin. Really need the high rpm spring though.Last saturday,2 tanks,new clutch worn to the metal.Today,1 tank,wet sand ,insane traction,NO SIGNS OF WEAR!!! Just need to get the engagement point up in the rrrrrs more. Me likey 
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04-26-2007, 10:59 PM
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I Like Things That Ping
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Quote:
Originally Posted by roofintrash
Definitely no slip. When they hit the bell your movin. Really need the high rpm spring though.Last saturday,2 tanks,new clutch worn to the metal.Today,1 tank,wet sand ,insane traction,NO SIGNS OF WEAR!!! Just need to get the engagement point up in the rrrrrs more. Me likey |
Sounds promising.......Right now with my 30.5 i like my engaugement point. But a hair harder at the same rpm will be even better!!
You guys Rock.....
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04-26-2007, 11:25 PM
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Just to clarify, you get a better wear on the clutches. Right?
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04-27-2007, 02:47 AM
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Much better wear after one tank judging from previous outings. I don't think the stock motor will have the stones to overcome the bog. Can't wait to get a high rpm spring and see what happens. Might not be for everyone but where we run it's the sh#t so far.
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If were not supposed to eat animals,why are they made of meat????
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04-27-2007, 04:44 AM
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Custom Carbon Fiber
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Sounds like that might be a setup tip for dry slick conditions..
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04-27-2007, 05:25 AM
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Took mine apart and have no wear on the shoes after 1 tank. I mean NONE!!
The first time I ran the Baja this year I had a new Zen clutch in it, after 1 tank it had visible wear on it. The clutch is locking up with authority now, and slipping less so it's wearing less. I cant wait to see it after a few more tanks are through it.
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04-27-2007, 05:54 PM
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IS the engagement at lower RPM or higher RPM? I supposed it engages faster at low RPM.
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04-27-2007, 06:36 PM
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Baja Mafia
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Lower.Like I said,it's not gonna be for everybody due to the different surfaces we run on. Were just tired of killing shoes and are trying everything to cure it.I ordered a couple DDM springs to try so I hope it ups the rpm's.
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04-27-2007, 07:46 PM
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I really do not understand how this can make a difference. This clutch is meant to expand at high RPM. How does turning it around change that concept even a little. Its still centred and to me it would be the same thing even turning it around.
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04-27-2007, 08:15 PM
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Bajastafarian Madnes
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clutch shoes open the oposite way when reversed, thus the timeing is adjusted slightly as is the hittijng power.
T
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