BMI Racing Discussions


Old 08-11-2005, 12:02 PM
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Originally Posted by rbboy
Jon: nope... those are Team Magic springs that i am just gonna try out the spring rate for the front springs(purple) is 1.3 and for the rear(yellowgreen) is 1.2
1.3lbs and 1.2lbs? I can see 13lbs and 12lbs. But a 1.3lb spring would hardly hold the car up if at all.
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Old 08-11-2005, 12:12 PM
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it's probably spring wire size, not pound rating. Just my guess.

Tim
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Old 08-11-2005, 12:23 PM
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Default Can anyone tell me if you can run any kind of a motor...

wind scoop from the bottom of the chassis by ROAR rules? I was thinking....again... I see that the RDX, X-Ray, Schmacher chassis have cut out holes underneith the motor. I wondered if a guy could mill the holes at an angle to make lots of small wind scoops for motor cooling? I was just wondering.
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Old 08-11-2005, 12:33 PM
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yeah I have that same Team Magic spring kit. won it as a hand out prize. I have asked a million times if anyone knew of a conversion or had the spring ratings in LBS.
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Old 08-11-2005, 12:44 PM
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Originally Posted by rayhuang
Or-you can get the sweet machined aluminum spring retainers from Team Tamale. Billy says "what??? YOu didnt leave them on my Xray when you returned it!!" HAHA!!
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Old 08-11-2005, 02:38 PM
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hey guys,

here is a completed set of the set up station nuts for metric axels and the xray.
Attached Thumbnails BMI Racing Discussions-xray-nuts.jpg  
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Old 08-11-2005, 02:46 PM
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Default TC4 Setup on Carpet w/ Rubber Tires

FRONT
Take off cs27 premount tires
Gold spring
40 wt oil
2 piston
.078 sway bar
4 degree castor
shocks are in 3rd hole from inside on tower
outside hole on arm
camber links in 2nd hole from inside w/ 4, .030 shims under the stud
Roll Center Shims- 1 or .025 front and rear on front arm
Camber -1.5
inside hole on steering knuckle w/ 4, .030 shims under stud for 0 bumpsteer
toe out 1 degree
ride height 5mm, droop 2mm over ride height
REAR
Take off cs27 premount
Blue Spring
40 wt oil
2 piston
shocks are in outside hole on tower
outside hole on arm
.063 swaybar(.078 if you like a nimble car)
2 degree toe in block
assoc rear hub inside hole or on losi rear hub inside hole
Camber links are in inside hole w/ 3, .030 shims
Roll Center Shims- front block .025 or 1 shim, rear block none for 1 degree antisquat
Camber -2
Ride height 5mm, droop is 3mm over ride height
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Old 08-11-2005, 02:54 PM
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Cheers Stephen,

Thats excellent!

I'll give it a bash asap and report back how I get on.

Cheers

Andy
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Old 08-11-2005, 02:56 PM
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Default HPI Pro4 BMI Chassis Setup

Anyone have a setup for ozite carpet stock racing using foam and/or rubber tires. I will be running the BMI 3.0mm chassis and upper deck. Any help would be VERY useful.

Chirag
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Old 08-11-2005, 03:08 PM
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Stephen,

Just a couple of quick questions...

1) Are you running diffs front and rear?
2) What Wishbone/Wheelbase spacing are you using?

Cheers

Andy
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Old 08-11-2005, 03:13 PM
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I am using the IRS alu diffs and am running the front at 3/8 of a turn from fully tight. The rear is at 1/2 a turn from fully tight.
I am using the middle wheelbase spacing on the arms front and rear. I am using the short setting on the hub in the rear. Sorry I forgot about these lol
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Old 08-11-2005, 04:51 PM
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Jason, Looking good! Irish wants a set also. He is also in need of some MI2 parts. Give me a call when you get home.
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Old 08-11-2005, 09:47 PM
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Originally Posted by Bob Barry
yeah I have that same Team Magic spring kit. won it as a hand out prize. I have asked a million times if anyone knew of a conversion or had the spring ratings in LBS.
Originally Posted by Jon Kerr
1.3lbs and 1.2lbs? I can see 13lbs and 12lbs. But a 1.3lb spring would hardly hold the car up if at all.


Tim Stamper is correct, its the spring wire size and not the pound rating. we use the high rated ones for Nitro 1.6-1.9 no one ever buys the low rated ones so i decided to open them and try it on my Mi2 it looks good coz the springs are a little smaller by length than the rayspeeds.
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Old 08-12-2005, 03:24 AM
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TimXLB & howard hudson : Happy Birthday!!!

Jason check your e-mail I sent you some pics!
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Old 08-12-2005, 04:22 AM
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Happy B-day guys!
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