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Old 11-08-2004, 05:22 PM   #1171
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Quote:
Originally posted by TL_XXX-S_racer
the bad thing about that is that it weighs alot. Cause when i was at the Worlds the TC4's weight 1634 and the limit was 1520. Most of the weight was the cooling system in them and the chassis. Just buy 2 small computer fans then just run them off another receiver pack with an on-off switch. It would be much lighter.
I just cant wait till the car comes out to the public. I wonder how much more competitive it will be to all the guys who want to go faster and got as much out of the XXX-S as they can. I know its going to be fast and handel awsome.
I would of course know less about the TC4, but isnt it also a plastic kit?
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Old 11-08-2004, 05:23 PM   #1172
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its a graphite chassis. Its like the older XXX-S type graphite. The composite.
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Old 11-09-2004, 01:44 AM   #1173
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The JRX-S looks really great. Finally, someone had the guts to break the boring wave of equally looking shafties.

Sorry if, I'm asking questions already asked, but 40 pages....

1) The short arms, how will they affect the handling? It's not that long ago someone else made longer arms, I think it was XRay and Barracuda... Also, if I remember correctly, the effect of altering the arm length is similiar to the effect of altering camber links.

2) Is it as easy as on other cars to change battery?

3) Somebody mentioned in a very early post, that the Pro3 suffered of torque steer, due to the non-central diffs. This dont make sense to me, I cant figure out why a non-centralized diff should introduce torque steer. Also, I've never heard before that the Pro3 should have these kind of problems. Is this a problem? Do the JRX-S have torque steer problems?

Thanks.
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Old 11-09-2004, 02:31 AM   #1174
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Longer arms help with weight transfer and chassis roll in corners. But with the JRXS there is very little to no chassis roll due to the weight mass being centralized.

I watched MF's car this weekend at the region 12 carpet race, his car of anyones had the least ammount of chassis roll in any given corner. The car pivots really well. Jimmy Jacobson who runs for Tamiya, was also real fast, but didnt have that smooth pivot look of Matts car. The short arm geo. is optimized with the dynamic weight transfer of the car.

The pro 3 suffered from a noodle of a chassis which made it a joke of a race car. That car had just about every ill effect a car could have.
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Old 11-09-2004, 04:04 AM   #1175
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Quote:
Originally posted by JPHRacer
Longer arms help with weight transfer and chassis roll in corners. But with the JRXS there is very little to no chassis roll due to the weight mass being centralized.
I would say, that less roll than other cars is a better term, no roll is taking it too far.

Quote:
The short arm geo. is optimized with the dynamic weight transfer of the car.
This is however a very good point. Its not a matter of long or short arms, it's a matter of how the whole car geometry is balanced and optimized.


Quote:
The pro 3 suffered from a noodle of a chassis which made it a joke of a race car. That car had just about every ill effect a car could have.
But the basic idea was great, just sad HPI gave up on it. Fortunately Losi have the courage

A question remains: Is it as easy as on other cars to change battery?
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Old 11-09-2004, 07:51 AM   #1176
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The Pro 3 was no where near a track car. It was a street car. You could take this car out to a parking lot and it would handle better than if you where to take it to a track.

Speed of changing the battery really does not matter. But i looks as if it will be changed through the bottom of the chassis with two screews.
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Old 11-09-2004, 07:54 AM   #1177
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Quote:
Originally posted by Cole Trickle
A question remains: Is it as easy as on other cars to change battery?
No, it is not as easy; but, that is a small price to pay for the handling performance of having all the heavier components (servo, motor and battery) in the side-to-side center of the car.

This weekend, Todd Hodge did show me that battery plugs are an option on your battery packs; so, soldering wires is not mandatory. You packs just need to be configured in a certain way to accommodate plugs. However, I don't see any way that Deans plugs will work on the JRX-S.
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Old 11-09-2004, 07:59 AM   #1178
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Hmm.....did not think about the plugs.....O well. that is no matter, every Electric racer has a sodering iron...LOL Plugs = weight...lol
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Old 11-09-2004, 08:02 AM   #1179
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Quote:
Originally posted by Gearhead3
Hmm.....did not think about the plugs.....O well. that is no matter, every Electric racer has a sodering iron...LOL Plugs = weight...lol
Some folks in the UK were wondering about that. Apparently, many of them don't solder at their outdoor tracks due to lack of the right power source.
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Old 11-09-2004, 08:19 AM   #1180
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there are two good solutions to this, portable soldering iron. there are afew on the market. Colmen Makes that "Cold heat" solder gun, and the company Porta-sol makes one as well.

Studing how the battery is alittle more, in a pintch you could build a saddle pack, and have the plug come from the middle. Just an idea. But that could be over thinking it as well..lol
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Old 11-09-2004, 09:33 AM   #1181
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Quote:
Originally posted by Cole Trickle
A question remains: Is it as easy as on other cars to change battery?
I can say that it takes NO MORE than an extra ten seconds to change the battery in this car.
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Old 11-09-2004, 09:37 AM   #1182
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Racers graces will need to be adjusted to 2 minutes 10 seconds then.
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Old 11-09-2004, 09:41 AM   #1183
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Quote:
Originally posted by HarshGuy
Racers graces will need to be adjusted to 2 minutes 10 seconds then.
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Old 11-09-2004, 09:44 AM   #1184
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Old 11-09-2004, 09:47 AM   #1185
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Quote:
Originally posted by HarshGuy
Racers graces will need to be adjusted to 2 minutes 10 seconds then.
is it the same in Europe?
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