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-   -   Team Associated B4.2 Thread (https://www.rctech.net/forum/electric-off-road/694124-team-associated-b4-2-thread.html)

kyoshoracer77 11-07-2013 07:24 PM

How do u guys feel about running the receiver an ESC in on the chassis using a ESC shelf. Should I stay with it or go back with the receiver and ESC on the sides???

kyoshoracer77 11-07-2013 07:28 PM

inline
 
Deleted

rc car guy 11-07-2013 07:42 PM


Originally Posted by kyoshoracer77 (Post 12705838)
How do u guys feel about running the receiver an ESC in on the chassis using a ESC shelf. Should I stay with it or go back with the receiver and ESC on the sides???

personally i like the esc shelf it it felt better left to right a slight bit faster on the transition but it was may not be able to tell at all on a outdoor track, but i also run a full size pack with 7g in each corner, just felt good this way, its on a super high bite track, inside i did not like the shorty pack at all, it felt really twitchy and didnt have enough steering, and if it did it was way too much no inbetween

BLKHAWK 11-07-2013 07:50 PM


Originally Posted by Wildcat1971 (Post 12705116)
yeah, chris I keep adding weight to my cars too for outdoor racing. I sometimes think I need an outdoor packs and a shorty for indoors. The car always felt a little sluggish indoor with a full pack. But I spend 95% of my time outdoors. you can add weight in the tray to get the right feel, but the shorty will put less "power", so I am of thought, that if you need more than just a few grams of weight, the full pack might be best, even in 17.5

I like the shorties for tight tracks that are more technical, Indoor or outdoor. The current track I run at is High speed with some huge jumps indoor and I like the full pack cause it wont loose its punch and has a lot of side bite just doesnt steer that hot it pushes. the shory pack indoor feels to reactive, im smoother with the full pack. I really like the shorties in outdoor loam.

BLKHAWK 11-07-2013 07:58 PM

I run a front green spring, and a rear white. What change can I make so sarfice fwd traction to bring the steering up?

rc car guy 11-07-2013 08:44 PM


Originally Posted by BLKHAWK (Post 12705931)
I run a front green spring, and a rear white. What change can I make so sarfice fwd traction to bring the steering up?

have you tried a harder rear spring? to allow the rear end to rotate more or a different front/rear tire, moving the battery forward a small spacer, a few things to try

Wild Cherry 11-07-2013 10:29 PM

Taper Piston performance
 

Originally Posted by the incubus (Post 12705065)
Noticeable how?


Tapered pistons let the car return to ride height faster .

This feels like the car is more aggressive , turns are quicker with less delay .

****example:

We had a S course with three small tables spaced inside .

After you landed the down side of the each table you had to make a hard left then on to the next table landing a hard right .

Using flat pistons , on landing the down hill car would feel numb and not want to steer , car felt like it had a push.

Switch to tapered pistons and after the landings the car would easily make the turns ...

All possible because the car returned to ride height quicker which allowed the car to make a turn possible .

With the flat piston had to wait for the car to turn because the suspension was still compressed and way low for a turn to even happen..

This all happens in less then 2/10th of a second , hard to believe or even feel..

I`m trying my best though to inform you & everyone how
the pistons perform .:)


Go look at all the Centro guys rides ...

They are all using flat pistons , all because mid motor handling is already very aggressive and they don't need more .


Rear motor is different , it needs help sometimes with getting rid of a too planted feeling from mass traction .

Taper pistons get rid of that effect pronto ...:tire:

Summery

if you need grip and smooth steering ? Use flat piston

If you need more steering ?
Use the taper piston .

b4nick 11-08-2013 10:06 AM


Originally Posted by the incubus (Post 12705065)
Noticeable how? My lap times were virtually identical with both piston types. The car behaved much the same through all terrain. Granted, I'm not a pro, but am an extremely technically savvy person and am fairly keen to seeing and feeling minute differences between products and with the tapered pistons my car felt the same. Even the drop test was no different.

What I have in mind would change how the piston interacts within the shock body which would affect dampening and rebound differently to how current tech does. Tapered Pistons do indeed affect dampening and rebound but I don't think any human being can gauge the difference because of how minuscule that difference is.

In fact, if you were to do an ultra slow motion capture of a shock with each type piston in there the rebound would look pretty identical and equally so, dropping an equal amount of weight onto each shock would produce an identical resistance figure.

remember...any change u do may seem small..but can change everything...just look at your car..times it by 10 and thats the change you made on a 1:1 scale car lol so little things do make a big difference. like for instance camber linkage. as far as lap time increases. making a change doesnt necessarily mean youll have faster laps. but your car may feel different or react different with the same times. also blow-by is a huge thing with the tapered pistons and can cause less pack in a certian direction (whichever way you flip the piston because its only tapered in one direction) one biggggg way to feel small differences is to race on a very high-bite track. youll be amazed with what little changes do and you do learn alot about the characteristics of your car. my track for instance has so much bite at the moment that if your running your ride height a little too high youll notice it. actually better yet the craziest thing ive noticed is if your wing is simply not cut low enough youll feel it. so just saying everything makes a difference. just my thought on that..

ryanpatrickgore 11-08-2013 12:46 PM

changes dont always make you faster, and thats ok. some make your car more consistent. which makes you faster because your not crashing or having problems on that section as much.
the pistons did help on the table sections george described because i was able to get through safer and easier which is more consistent. in the end this would contribute to more laps

b4nick 11-08-2013 01:28 PM


Originally Posted by ryanpatrickgore (Post 12707663)
changes dont always make you faster, and thats ok. some make your car more consistent. which makes you faster because your not crashing or having problems on that section as much.
the pistons did help on the table sections george described because i was able to get through safer and easier which is more consistent. in the end this would contribute to more laps

+1

danny d 11-08-2013 01:36 PM

looking for a link posted in this thread..... drilled out diff halves (outdrives). It could have been 300 pages ago.... don't feel like looking through all of this. Can someone point me in the right direction?

danny d 11-08-2013 02:15 PM

nevermind, answered my own question. Get this.... I googled it! anyways here is the link to the site. Has anyone tried these?
http://www.lunarrc.com/parts.htm

BRSracing 11-09-2013 06:15 AM

I run 17.5 blink with my 4.2, using the VTS system three pads. I was thinking about going to two pads vs three. It seems very inconsistent with three pads almost like it doesn't slip at times and when I loosen test its good but after a run it slips too much. Any one else have suggestions?

t0p_sh0tta 11-09-2013 06:26 AM

I wouldn't bother with the VTS in 17.5. Standard slipper, or Triad.

BRSracing 11-09-2013 08:05 AM


Originally Posted by t0p_sh0tta (Post 12709299)
I wouldn't bother with the VTS in 17.5. Standard slipper, or Triad.

thanks, that is what I was thinking.


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