BMI's DB12R
#6677
Tech Regular
iTrader: (30)
rollout
i recently purchased a DB12r ive got an lrp sphere esc and lrp 17.5 motor and according to lrp the roll out should be 68mm should this apply to all tracks regardless of size . i know there are several pinion/spur combos to get the roll out so do i use small gearing for small tracks and large gearing for larger tracks or run the same gearing set. This is my first year running onroad/electric racing so im trying to get as much knowledge as i can
#6678
Tech Lord
iTrader: (13)
i recently purchased a DB12r ive got an lrp sphere esc and lrp 17.5 motor and according to lrp the roll out should be 68mm should this apply to all tracks regardless of size . i know there are several pinion/spur combos to get the roll out so do i use small gearing for small tracks and large gearing for larger tracks or run the same gearing set. This is my first year running onroad/electric racing so im trying to get as much knowledge as i can
#6679
Moderator
iTrader: (9)
Join Date: Jan 2004
Location: Outside doing things in places... Denver, CO
Posts: 4,609
Trader Rating: 9 (100%+)
I have a question about front droop. I am not seeing much at all droop running the .20 Linear springs in a setup matching yours Jason that you just posted.
What is the recommended way to measure droop on the front and back?
I am giving the car a run tonight with your setup ( my old setup was the servo up on an angle, and pretty much the box stock config), so this is quite a large change in setup, we'll see how I fare
What is the recommended way to measure droop on the front and back?
I am giving the car a run tonight with your setup ( my old setup was the servo up on an angle, and pretty much the box stock config), so this is quite a large change in setup, we'll see how I fare
#6680
Tech Regular
How do you apply silicone oil?
Hi
What i mean is do you only apply to the grooves or totaly cover the rod with oil.I have only been told to use the grooves only,But just would like to know?
What i mean is do you only apply to the grooves or totaly cover the rod with oil.I have only been told to use the grooves only,But just would like to know?
#6681
Moderator
iTrader: (9)
Join Date: Jan 2004
Location: Outside doing things in places... Denver, CO
Posts: 4,609
Trader Rating: 9 (100%+)
Umm what are you referring to? The kingpins or the damper tubes? for Damper tubes I just put a couple drops on the end of the tube, and then move the damper shaft in and out a few times to distribute it around. For king pins... I am not sure what grooves you may be talking about.
#6682
Tech Lord
iTrader: (13)
I have a question about front droop. I am not seeing much at all droop running the .20 Linear springs in a setup matching yours Jason that you just posted.
What is the recommended way to measure droop on the front and back?
I am giving the car a run tonight with your setup ( my old setup was the servo up on an angle, and pretty much the box stock config), so this is quite a large change in setup, we'll see how I fare
What is the recommended way to measure droop on the front and back?
I am giving the car a run tonight with your setup ( my old setup was the servo up on an angle, and pretty much the box stock config), so this is quite a large change in setup, we'll see how I fare
#6683
Tech Regular
Umm what are you referring to? The kingpins or the damper tubes? for Damper tubes I just put a couple drops on the end of the tube, and then move the damper shaft in and out a few times to distribute it around. For king pins... I am not sure what grooves you may be talking about.
#6684
Moderator
iTrader: (9)
Join Date: Jan 2004
Location: Outside doing things in places... Denver, CO
Posts: 4,609
Trader Rating: 9 (100%+)
#6685
yes. I dont use the brass shims, i use smaller shims so I can tune it a little more.
#6687
Moderator
iTrader: (9)
Join Date: Jan 2004
Location: Outside doing things in places... Denver, CO
Posts: 4,609
Trader Rating: 9 (100%+)
So I took jasons setup nearly exactly and tested it out today. I played with Camber and toe a bit on the front and didnt have 20,000 weight but I had 30,000 so I used that.
The car was very consistent, not as numb as before. Even turn-in and power out of corners, no real snappy over steer. Quite nice and fast. I didnt hit my fastest time on the track (10.1) that I set last weekend. But I did run a good number of laps consistently in the 10.2 - 10.4 range which is a big improvement.
The car seems easier on the tires now by a good bit... I had no issues with uneven l/r wear, or ballance issues.
Cant wait for race day
I did find neutral toe was the way to go on the front, I tried a degree or so neg and pos and both slowed the car down. and I am running between 1.5 and 2 negative for camber (still testing).
I coated the front kingpins wiht the 30k weight above and below the lower pivot ball and that smoothed things out quite a bit up front.
The car was very consistent, not as numb as before. Even turn-in and power out of corners, no real snappy over steer. Quite nice and fast. I didnt hit my fastest time on the track (10.1) that I set last weekend. But I did run a good number of laps consistently in the 10.2 - 10.4 range which is a big improvement.
The car seems easier on the tires now by a good bit... I had no issues with uneven l/r wear, or ballance issues.
Cant wait for race day
I did find neutral toe was the way to go on the front, I tried a degree or so neg and pos and both slowed the car down. and I am running between 1.5 and 2 negative for camber (still testing).
I coated the front kingpins wiht the 30k weight above and below the lower pivot ball and that smoothed things out quite a bit up front.
#6689
Whats your whole setup?? Maybe we can help you dial it in a little more. 30k is bit much, I think. The most I use is Red Sure Lube.