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Thread: the FULCRUM moa Chassis / Wilberforce rebuild

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Old 05-20-2009, 09:45 AM   #1
Quarry Creeper
 
Join Date: Dec 2008
Location: Route One
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Default the FULCRUM moa Chassis / Wilberforce rebuild

This is my new chassis......the "FULCRUM"

Custom upper 1/4" Delrin links M3 studs & Traxxas 3mm ends (not sure if they will hold up - kinda flexy)
Downtown 3/8" Lower links M4 studs & Revo ends
Revo shocks - full droop


I will rebuild Wilberforce using most of my old parts and dig assembly.

Electronics list goes....
Tekin FXR
Castle BEC
Airtronics 423oz steering servo
Hitec HS-65 Mighty Feather dig servo
25 amp dig switches (no issues after atleast 1 full month of testing)
DX3R Radio system
Deans 12g wire & connectors
Venom 50t motors
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Old 05-20-2009, 02:19 PM   #2
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Looks good...


Especially those links
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Old 05-20-2009, 02:31 PM   #3
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looks good need more pics
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Old 05-20-2009, 04:58 PM   #4
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thanks guys

I couldnt make it into the woods for a real test but it did well in my backyard....I ran a pack through with no issues.
I getting the impression its going to sidehill ok.
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Old 05-20-2009, 07:58 PM   #5
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I like the looks of it. I like how you can stand the shocks up more vertical.

What weight oil and what internal springs are you using on the Revo shocks?
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Old 05-22-2009, 07:05 AM   #6
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Quote:
Originally Posted by wrightcs77 View Post
I like the looks of it. I like how you can stand the shocks up more vertical.

What weight oil and what internal springs are you using on the Revo shocks?
thanks,
I tried a bunch of different shock locations on prior setups and I found that when the shocks are really laid out (more flat than upright) my suspension is less sensitive and almost require more weight in the wheels to hold the rig down for the suspension to work. (I think thats the reason... works for me)

Springs... I took my shock (body/damper & shaft) to the hardware store and tried a different springs for size and tension etc. just working the shock with my fingers untill I found a few that felt ok; then I tried them on the rig till I found a set that felt good to me. apprx. $0.75 cents each.
Oil Weight... I tried 30wt but it was still tooo slow so I drilled the holes out in the shock damper one at a time untill I got the kinds of movement (rebound speed) I liked. Maybe lighter weight oil would do the same thing but I had 30 wt on hand. works good.

3" ground clearance and 4 7/8" max frame height = ok balance / sidehilling

i think
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Old 05-22-2009, 06:26 PM   #7
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nice renthal stickers! im a rider as well
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Old 05-23-2009, 01:33 PM   #8
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sweet I just wish I had more time for riding.... this RC addiction is killing me

I took the Fulcrum to one of my "test spots" last evening and I hit some normally tough lines first & second shot. I think this one is gonna be hated
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