TLR 22-4 2.0 Race Kit Thread!
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#1501
I feel like the belt drive system is just more responsive to throttle inputs with less slack and the two pad slipper system just seems to lay the power down so well. That's my opinion anyway, I'll probably do a heads-up video of the B64 vs. 22-4 2.0.
#1502
The spur is a pain to change however as long as your not running two classes such as 13.5 and mod in the same race night and having to change spurs its not that big of a deal, and if stripping is an issue, something is not set right as I have the same spur on mine for almost a year and still looks new and quiet.
As far as 3 vs 2 belt design, I used to drive Schumucher before Losi and the SX3 was a 3 belt, K1 was a 2 belt, I always thought the 3 belt was better more consistent and a freer drive train..seems odd, but it just worked better.
Again the combination that losi has with the 224 2.0 is pretty much perfect in my opinion. I would much rather drive a car that has been refined than a new design that s going to take months or years to get right. When you buy the Losi your going to just spend more time driving and racing and less time fooling around with setup...bottom line ...IF AINT,DONT FIX IT.
As far as 3 vs 2 belt design, I used to drive Schumucher before Losi and the SX3 was a 3 belt, K1 was a 2 belt, I always thought the 3 belt was better more consistent and a freer drive train..seems odd, but it just worked better.
Again the combination that losi has with the 224 2.0 is pretty much perfect in my opinion. I would much rather drive a car that has been refined than a new design that s going to take months or years to get right. When you buy the Losi your going to just spend more time driving and racing and less time fooling around with setup...bottom line ...IF AINT,DONT FIX IT.
#1504
Tech Elite
iTrader: (43)
The spur is a pain to change however as long as your not running two classes such as 13.5 and mod in the same race night and having to change spurs its not that big of a deal, and if stripping is an issue, something is not set right as I have the same spur on mine for almost a year and still looks new and quiet.
#1506
Tech Elite
iTrader: (43)
I feel the same way about throttle responsiveness. I have a 2017 xb4 and the 22 4 2.0 doesnt have the sluggish feel. My xb4 feels heavier. I can't explain it too.
BTW... just DNS my main tonight because my drive train just seized on me in Q2... haven't opened it up yet. front wheels spins but rear wheels doesn't.
Can't repair it in time good thing I race 2 classes. So I just concentrated on the other class to complete my night. Would have been awesome if the car is easy to work on.... my xb4 is sooo easy....just saying.
Last edited by Phillip F; 05-10-2017 at 12:12 AM.
#1507
Tech Adept
three belt
I agree about the three belt being more free. Since the distance between the pulleys is lesser with a three belt system, the belt tension doesn't need to be so high. The drive train on my SX-3 (3-belt) is much freer than on my K1 (2-belt).
Please, please, please TLR increase the size of the two primary drive pulleys! Those would be the "clicker" pulley and its corresponding pulley that sends the belt to the rear wheels. Efficiency would be gained, belt life/maintenance would improve, belt tension could be reduced, belt skipping would go away, and the best handling 4wd would be the best on the market; period.
Please, please, please TLR increase the size of the two primary drive pulleys! Those would be the "clicker" pulley and its corresponding pulley that sends the belt to the rear wheels. Efficiency would be gained, belt life/maintenance would improve, belt tension could be reduced, belt skipping would go away, and the best handling 4wd would be the best on the market; period.
#1508
Static tension on a belt doesn't really mean much on a belt since drag doesn't appreciably increase under load (as it does with ring/pinion gears). It can have a slight drag brake effect at lower speeds, though. I checked out a friend's YZ4 and his belts were so tight the drivetrain felt jammed up. He was as fast as anyone in 13.5 class and wasn't cooking his motor.
#1509
I would think with the car running the belts would actually loosen a little when they warm up...just a thought.
#1513
Mine's slightly looser than flush. Hold down the rear wheels with your feet and try turning the fronts with your hands. You'll get a feel for how tight it is before it slips. It shouldn't be crazy tight.
#1514