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04-17-2013 | 10:49 AM

#4306

Bob Barry

Tech Champion

iTrader: (22)

Joined: Jan 2003

Posts: 8,616

From: New Jersey

Quote:

Originally Posted by blingy

bob , i did test that idea and moved the battery back and it did get my looseness back my shocks are fine and so is my diff my thought is my rear roll center to low and is transfuring touch weight to the rear

so you answered your own question. Your initial setup with the battery back was off. It was too loose. Now your current setup is too much rear grip. Without changing anything else, split the difference that you moved the battery and see how it feels.

04-17-2013 | 10:55 AM

#4307

Cain

Tech Legend

iTrader: (304)

Joined: May 2002

Posts: 35,029

From: West Fargo, North Dakota

another battery pack placement question. For full size heavy packs, what are you guys liking for battery placement? Forward, back, etc?

Looking to run a 15 minute main here with my B4 in a modified class, using an IP 7200mah lipo starting with the B4.2 base setup from a recommendation, though, looking through my parts I only have C-hub risers in carbon right now, variety in the plastic style.

Thanks again everyone for your help.

04-17-2013 | 10:58 AM

#4308

Wildcat1971

Tech Prophet

iTrader: (84)

Joined: Apr 2012

Posts: 17,389

From: Arizona

i thin pad back and standard pad forward.

04-17-2013 | 11:02 AM

#4309

Cain

Tech Legend

iTrader: (304)

Joined: May 2002

Posts: 35,029

From: West Fargo, North Dakota

thanks!

04-17-2013 | 11:30 AM

#4310

DanielC.

Tech Master

iTrader: (59)

Joined: Jan 2005

Posts: 1,755

From: FL

Quote:

Originally Posted by Wildcat1971

well the key would be to find the same ratios with less over all teeth.

22/81 = 3.681
21/76 - 3.619

these are pretty close if you run a 22/81 and want it closer. Not even sure if it will fit right.

That's why I said roughly! I will be nice since you sold me an awesome speed controller

04-17-2013 | 12:38 PM

#4311

Blue Screw

Tech Regular

Joined: Nov 2001

Posts: 356

From: NJ

Quote:

Originally Posted by blingy

ok i have a question why when i moved my shorty all the way forward in the tray my car started to push and did some wheelies . thnx

Blingy,

Dont forget when u change the postion of ur battery the front to rear weight bias changes, there for changing the weight transfer front to rear when applying Throttle an Brake..
Also changing the postion of the battery pack will also change the ride height, An when rideheight changes so does the camber setting.. so make sure u check and adjust per adjustmest even if it only a half of pad...

04-17-2013 | 01:07 PM

#4312

Cridd

Tech Master

iTrader: (16)

Joined: Dec 2012

Posts: 1,948

From: Visalia, CA

Quote:

Originally Posted by chevmaro

I like to run shorty forward. It does cause a push vs. a full stick pack because there is less swing weight. It gives more steering on power and less turn in or it seems this way at my track. I like to run the ballast weight I cant really get a shorty all the way forward to work without it. To get steering back I run a softer spring in the rear and remove a washer under front ballstud.

I needed a little more steering last night. I might remove the 2mm washer under the rear ballstud or go to 1mm to see how that works for me.

04-17-2013 | 01:29 PM

#4313

Cridd

Tech Master

iTrader: (16)

Joined: Dec 2012

Posts: 1,948

From: Visalia, CA

Reedy LRP?

My son is not driving his b4.2, he is liking his SC10 right now. I have a few b4.2's with LRP/Reedy combo and could use 1 more.

If anybody want to trade a 13.5 viper w/ esc combo w/ pro gauge for an lrp / reedy combo (any size combo I can use). Let me know.

This is what I have. Good motor I am just trying to keep it simple.

http://www.amainhobbies.com/product_...-ProGauge-135T

PM me.