R/C Tech Forums - Team Associated B4.2 Thread

I'm new to this and just got a b4.2 buggy with a tekin rs gen 2 esc with a trinity d3.5 17.5 maxzilla motor? I run on an indoor track/clay and needing some help or opinions on the spur/pinion gear that people have found best work??? Please give me some opinions to the best for fast good stock racing! All will be much appreciated...

Thanks!

That's pretty much what I run in my 4.2 and I was running 34/69 but I recently changed to 35/66 to try to get a lil more out of it. Running the triad slipper. Blinky stock class.

ryan73

03-11-2014 05:15 AM

okay but if i move just one more spline on the servo arm it seems to lean over a lot.

Tradin Paint

03-11-2014 05:23 AM

Quote:

Originally Posted by thecman26 (Post 13085998)

That's pretty much what I run in my 4.2 and I was running 34/69 but I recently changed to 35/66 to try to get a lil more out of it. Running the triad slipper. Blinky stock class.

I'm running 32/66 and am very happy. Comes off about 145-150

bigcracing

03-11-2014 06:05 AM

Who makes a 66 tooth gear. The smallest in our area is 69.

Thanks Chris

Tradin Paint

03-11-2014 06:08 AM

Quote:

Originally Posted by bigcracing (Post 13086218)

Who makes a 66 tooth gear. The smallest in our area is 69.

Thanks Chris

Avid. Try 69/34. Same thing

thecman26

03-11-2014 06:12 AM

Quote:

Originally Posted by bigcracing (Post 13086218)

Who makes a 66 tooth gear. The smallest in our area is 69.

Thanks Chris

Avid

bigcracing

03-11-2014 07:21 AM

Thanks I am looking at running a 66 35 to get a 4.90

Thanks for the info. Chris

Speedyg2310

03-11-2014 02:56 PM

Quote:

Originally Posted by thecman26 (Post 13085998)

That's pretty much what I run in my 4.2 and I was running 34/69 but I recently changed to 35/66 to try to get a lil more out of it. Running the triad slipper. Blinky stock class.

What timing on your trinity d3.5 can do you run at? 0*?

thecman26

03-11-2014 07:12 PM

Quote:

Originally Posted by Speedyg2310 (Post 13087762)

What timing on your trinity d3.5 can do you run at? 0*?

I have it cranked as far as it will turn, 15*, for some reason it won't go any further...

Speedyg2310

03-11-2014 08:24 PM

Quote:

Originally Posted by thecman26 (Post 13088598)

I have it cranked as far as it will turn, 15*, for some reason it won't go any further...

And with that 69 gearing with the 15* was it pretty fast?

thecman26

03-12-2014 12:14 AM

Quote:

Originally Posted by Speedyg2310 (Post 13088850)

And with that 69 gearing with the 15* was it pretty fast?

Yeah its pretty good! Not bad for blinky!

johnnyfresco

03-12-2014 12:14 PM

LRP esc and motor

17.5T with 72/30 spur and pinion

:tire:

xxx123

03-13-2014 05:19 PM

I try to google the answer but still needs help please. Indoor clay track; medium bite. My b4 push when enter corner. My logic is that if i can loosen the rear end a bit, then i may have less push when i enter corner. And, if i can increase front end traction, push will be reduced? Thanks

5th wheel

03-13-2014 06:12 PM

Quote:

Originally Posted by xxx123 (Post 13094695)

Try the 25 degree front hub or 20 degree and bar code tires. It's what I use and the turn in is nice. And almost no push

thecman26

03-13-2014 06:18 PM

Quote:

Originally Posted by xxx123 (Post 13094695)

I have found out from experimentation that a push is usually a result of tire combinations. Either too much rear grip or not enough front traction. Either go with a rear tire with less traction or a front tire with a little more traction.

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