BMI's DB12R
#6856
#6857
Tech Adept
Help
Hi everyone. I race the BMI12R/BMI12RR in modified on asphalt. My set up is working well as far as traction, but sometimes I lack steering. The setup is close to the standard out the box setup except I use the short L-bar position. My other big problem is that I sometimes traction roll the car, what can I change to prevent this and not effect the rest of the handling.
Thanks...
Thanks...
#6858
Tech Fanatic
iTrader: (10)
Hi Jason or anybody else,
Can you please give me the part # for the long thin and std size flex plates for the DB12RR. The website is not so easy to follow. Not sure if the parts that I found are for the DB12R or the RR.
Also I have an original DB12 conversion. I want to sell it to a guy at racing but he is worried if he can get parts for it. Is part support still ok?
Thanks
Can you please give me the part # for the long thin and std size flex plates for the DB12RR. The website is not so easy to follow. Not sure if the parts that I found are for the DB12R or the RR.
Also I have an original DB12 conversion. I want to sell it to a guy at racing but he is worried if he can get parts for it. Is part support still ok?
Thanks
#6859
Tech Champion
2 more hours and I head to the airport! I'm really looking foward to meeting the BMI crew!
#6860
Tech Lord
iTrader: (13)
Hi everyone. I race the BMI12R/BMI12RR in modified on asphalt. My set up is working well as far as traction, but sometimes I lack steering. The setup is close to the standard out the box setup except I use the short L-bar position. My other big problem is that I sometimes traction roll the car, what can I change to prevent this and not effect the rest of the handling.
Thanks...
Thanks...
#6861
Tech Lord
iTrader: (13)
Hi Jason or anybody else,
Can you please give me the part # for the long thin and std size flex plates for the DB12RR. The website is not so easy to follow. Not sure if the parts that I found are for the DB12R or the RR.
Also I have an original DB12 conversion. I want to sell it to a guy at racing but he is worried if he can get parts for it. Is part support still ok?
Thanks
Can you please give me the part # for the long thin and std size flex plates for the DB12RR. The website is not so easy to follow. Not sure if the parts that I found are for the DB12R or the RR.
Also I have an original DB12 conversion. I want to sell it to a guy at racing but he is worried if he can get parts for it. Is part support still ok?
Thanks
#6864
For Sale db12rr has 4 races in the car all cf parts are sanded and sealed car also comes with 1 1/2 sets of hockey sticks a package of flex plate piviot balls, 2 new bumpers , audi body , and hps2 silva shock.
$200 shipped
car always worked great and the support is second to none
$200 shipped
car always worked great and the support is second to none
#6865
Tech Adept
my set-up
BMI12RR
Front:
0.020" springs
10 deg. reactive caster blocks
shims on either side.
kingpin shims - 3 on top and 1 above steering arm.
ride height 6 mm
40 SH ATS tires (44 mm diameter)
Servo angled - ball studs in center of servo saver position.
Rear:
30 SH ATS tires (47 mm diameter)
ride height 6 mm
Hard L-bars on short position
Center:
shock spring - gold
shock oil - 30 weight
ball stud - tall (BMI)
ride height 6 mm
batteries back position
antenna mount position - back
side dampers - 5000 weight diff. oil
Radio:
dual rate - 90%
This is my set-up. I tend to have under steer. If I change to softer tires on front, they wear out very quickly and after 4 minutes I am on the rim and back to no steering. The other problem is that the car traction rolls at high speed cornering.
Front:
0.020" springs
10 deg. reactive caster blocks
shims on either side.
kingpin shims - 3 on top and 1 above steering arm.
ride height 6 mm
40 SH ATS tires (44 mm diameter)
Servo angled - ball studs in center of servo saver position.
Rear:
30 SH ATS tires (47 mm diameter)
ride height 6 mm
Hard L-bars on short position
Center:
shock spring - gold
shock oil - 30 weight
ball stud - tall (BMI)
ride height 6 mm
batteries back position
antenna mount position - back
side dampers - 5000 weight diff. oil
Radio:
dual rate - 90%
This is my set-up. I tend to have under steer. If I change to softer tires on front, they wear out very quickly and after 4 minutes I am on the rim and back to no steering. The other problem is that the car traction rolls at high speed cornering.
#6866
Tech Elite
iTrader: (51)
Join Date: Feb 2002
Location: Comin at ya from a distant galaxy
Posts: 2,920
Trader Rating: 51 (100%+)
Hey PHI/BMI racer,
Though I race carpet 1/12th let me see if I can help you... Im not sure how your asphalt surface is smooth or bumpy but your ride height I kind of high,set that to 4mm front and rear. Next move your batteries to the Middle position that will help with on power steering.
I dont know how your grip level is but you can go a little heavy'er on the shock oil maybe 45 or more.
Here's a little trick we use on carpet, if your traction rolling put some CA glue on the outer side of the front tires this stiffens the foam sidewall wich prevents the front foams from rolling over wich causes traction rolling.
Again I very rarely run asphalt so I hope this info helps
Hope This Helps Peace
Mike
Though I race carpet 1/12th let me see if I can help you... Im not sure how your asphalt surface is smooth or bumpy but your ride height I kind of high,set that to 4mm front and rear. Next move your batteries to the Middle position that will help with on power steering.
I dont know how your grip level is but you can go a little heavy'er on the shock oil maybe 45 or more.
Here's a little trick we use on carpet, if your traction rolling put some CA glue on the outer side of the front tires this stiffens the foam sidewall wich prevents the front foams from rolling over wich causes traction rolling.
Again I very rarely run asphalt so I hope this info helps
Hope This Helps Peace
Mike
BMI12RR
Front:
0.020" springs
10 deg. reactive caster blocks
shims on either side.
kingpin shims - 3 on top and 1 above steering arm.
ride height 6 mm
40 SH ATS tires (44 mm diameter)
Servo angled - ball studs in center of servo saver position.
Rear:
30 SH ATS tires (47 mm diameter)
ride height 6 mm
Hard L-bars on short position
Center:
shock spring - gold
shock oil - 30 weight
ball stud - tall (BMI)
ride height 6 mm
batteries back position
antenna mount position - back
side dampers - 5000 weight diff. oil
Radio:
dual rate - 90%
This is my set-up. I tend to have under steer. If I change to softer tires on front, they wear out very quickly and after 4 minutes I am on the rim and back to no steering. The other problem is that the car traction rolls at high speed cornering.
Front:
0.020" springs
10 deg. reactive caster blocks
shims on either side.
kingpin shims - 3 on top and 1 above steering arm.
ride height 6 mm
40 SH ATS tires (44 mm diameter)
Servo angled - ball studs in center of servo saver position.
Rear:
30 SH ATS tires (47 mm diameter)
ride height 6 mm
Hard L-bars on short position
Center:
shock spring - gold
shock oil - 30 weight
ball stud - tall (BMI)
ride height 6 mm
batteries back position
antenna mount position - back
side dampers - 5000 weight diff. oil
Radio:
dual rate - 90%
This is my set-up. I tend to have under steer. If I change to softer tires on front, they wear out very quickly and after 4 minutes I am on the rim and back to no steering. The other problem is that the car traction rolls at high speed cornering.
#6867
Tech Lord
iTrader: (13)
BMI12RR
Front:
0.020" springs
10 deg. reactive caster blocks
shims on either side.
kingpin shims - 3 on top and 1 above steering arm.
ride height 6 mm
40 SH ATS tires (44 mm diameter)
Servo angled - ball studs in center of servo saver position.
Rear:
30 SH ATS tires (47 mm diameter)
ride height 6 mm
Hard L-bars on short position
Center:
shock spring - gold
shock oil - 30 weight
ball stud - tall (BMI)
ride height 6 mm
batteries back position
antenna mount position - back
side dampers - 5000 weight diff. oil
Radio:
dual rate - 90%
This is my set-up. I tend to have under steer. If I change to softer tires on front, they wear out very quickly and after 4 minutes I am on the rim and back to no steering. The other problem is that the car traction rolls at high speed cornering.
Front:
0.020" springs
10 deg. reactive caster blocks
shims on either side.
kingpin shims - 3 on top and 1 above steering arm.
ride height 6 mm
40 SH ATS tires (44 mm diameter)
Servo angled - ball studs in center of servo saver position.
Rear:
30 SH ATS tires (47 mm diameter)
ride height 6 mm
Hard L-bars on short position
Center:
shock spring - gold
shock oil - 30 weight
ball stud - tall (BMI)
ride height 6 mm
batteries back position
antenna mount position - back
side dampers - 5000 weight diff. oil
Radio:
dual rate - 90%
This is my set-up. I tend to have under steer. If I change to softer tires on front, they wear out very quickly and after 4 minutes I am on the rim and back to no steering. The other problem is that the car traction rolls at high speed cornering.
#6868
Tech Adept
Thanks, will try that next race meeting. The surface was smooth and good traction. Only problem the wear on the front tires was high, thats why I used high ride height. I think the ride height was the biggest problem, I ran my touring mod at 6 mm as well and it also traction rolled.
Caio...
Caio...
#6869
Tech Lord
iTrader: (13)
Thanks, will try that next race meeting. The surface was smooth and good traction. Only problem the wear on the front tires was high, thats why I used high ride height. I think the ride height was the biggest problem, I ran my touring mod at 6 mm as well and it also traction rolled.
Caio...
Caio...
#6870
Just a quick question does anyone know if the IRS left rear hub on the DB10R is balanced the same and would the RC10R5 axle?