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Patrick
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06.23.2007, 11:20 PM

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Originally Posted by ***RC***
Patrick - The dimensions of the battery are 44mm x 50mm x 145mm so I do have to kind of squish into place (I use the 50mm side down), but it isn't so tight that it will damage the battery.
Ok, thanks. So it's a Kyosho Twin Force battery tray from Mike.
   
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jnev
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06.23.2007, 11:41 PM

Correct.


   
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bdebde
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06.24.2007, 01:50 AM

Thanks guys.

It looks like 15 min is exactly what I get with the 3700 flightpower. I will have to do a little more running to see, it was the first run on the pack. That is cutting it too close for a race, I may have to stick with the maxamps 5000. Still not bad on weight at just over 7.5 lbs with the 5000. Or maybe try the 4000 maxamps packs, but I hear they are not as good as the 5000's (anybody know?). I think all of the higher capacity flightpowers are heavier than the maxamps 5000, maybe not the 4350, but I can't find size/weight on that one. Also, I start to pucker up when I gotta pay $200 for batts, so the maxamps are more my price range.
   
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  (#49)
AAngel
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06.25.2007, 02:48 PM

Bruce, stick with the 5000s. I don't think that the 4Ah packs would be able to keep up.

As for the Feigao, you can toast one of those within 10 minutes. It depends on your setup. I went to great lengths to be able to run mine for a 30 minute race, but it still temped at over 200 when I was done. The Feigaos run hot. No way around it. If you want to get away from the heat, get a better motor. Neu or Lehner.
   
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bdebde
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06.25.2007, 03:35 PM

qbayle, love the pic with the nitro trying to get started,LOL. Good job on the races too. That temp sounds about normal for the XL motors.

I never ran a 9XL in mine, I ran a 7XL and an 8XL. I have seen temps up to 200 on the 7XL and about 185 - 190 with the 8XL. I did however have the 8XL go T.U. after a few runs, brakes dissapeared and all the wires got real hot. The 7XL still runs strong, but pretty hot. I like the lehner 1930/8 I have in there now; it still gets up to 180 at times, but cools right back down with a little more "sane" driving.

AAngel, I think you are right about the 5000's. I talked to Austin at Maxamps and he said the same thing. I guess it's not too heavy, at a little over 7.5 lbs. I just didn't want to carry anymore weight than I have too, it handles so nice with the light batteries.

Well, I guess I could put the 3700 Flightpower up for sale, only a couple runs on it and it already has the Deans plug. PM me if you want to make an offer.
   
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AAngel
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06.26.2007, 09:34 AM

I added a lot of mass to the motor can on mine. I turned a heatsink that completely encapsulates the motor and I made it rather tight, so that I had to press the motor into the heatsink. It still gets hot, it just takes longer.
   
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steve671
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06.27.2007, 06:27 AM

Very nice car.
   
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nativepaul
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06.27.2007, 12:25 PM

Bde Bde, that buggy looks totally awesome with the green body that has no nitro holes, do you know how much your temps went up?

Qbayle, I gotta love that startup picture.
   
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bdebde
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06.27.2007, 01:01 PM

Temps seem to running about the same, maybe a few degrees warmer, but not much. I have the "hood scoops" cut out to give some good air flow over the motor.
   
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celticclown
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09.27.2007, 12:00 AM

what are you guys using for the motor mount??
   
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AAngel
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09.27.2007, 12:13 AM

When it comes to the motor mount, there is more than one way to do it, but all of them include making a custom part. I made mine out of 1/4" think aluminum plate and attached it right to the rear center diff bulk.
   
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brushlessboy16
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09.27.2007, 08:03 AM

how does the xl motor run on the flightpower 3700's? that is 4s correct?


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bdebde
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09.27.2007, 09:34 AM

Quote:
Originally Posted by AAngel View Post
When it comes to the motor mount, there is more than one way to do it, but all of them include making a custom part. I made mine out of 1/4" think aluminum plate and attached it right to the rear center diff bulk.
Mine was the same, only 3/16" aluminum.
   
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AAngel
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09.27.2007, 02:41 PM

Actually, 3/16" 7075 is the way to go. It is plenty strong and easier to work.
   
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satttheman
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01.01.2008, 04:56 PM

nice mayhem really clean


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