Need drag car/speed run car advice
Ok, I've been in RC for many years and I've decided to build a drag race/ speed run brushless car. My base is a Vorza Flux HP, lightened up and worked. I have seen so many different opinions on silicone weights and locked vs unlocked diffs, my head is spinning. I know guys don't like giving up info, but can someone running a speed/drag race car give me some advice? So far, I've put 1million weight silicone in the rear diff to almost lock it. Any numbers for the center diff and front? I also see guys say back should be locked, then some say the front, other the middle. It's strictly a
drag/speed car. No turning except to come back to starting line. Hope somebody can help. |
really?
Not one reply? Nice.
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Their probably shocked your using a heavy 4 wd car for drag racing when there are plenty of pan cars for that
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ok
Not heavy at all. Lots of CF and TI and it's basically not a buggy anymore.
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its still heavier and has hp loss through the 4 wd system than a pan car
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If you do a google search you will see that some of the world's fastest rc cars ar definitely not pan cars. They look like heavily modified touring cars.
To the op , i have no idea where to start for fluids but i would think your going to want to be fairly thick to keep the power down. Good luck with your speed runs. |
Sorry , but I am not good at it
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I would do a lot of watching vids on youtube and FB has a few good groups to get advice.
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Lots of info and sharing here.
http://www.rctech.net/forum/electric...-welcomed.html |
I would swap out the center diff for a spool, and a locked front diff would be a good start.
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Lock all diffs. Diffs are a compromise. Diffs allow the 2 wheels on the same axle to turn at different (hence diff is short for differential) speeds otherwise, when turning a corner, the outside tire would be free spinning(and squealing), losing traction to try and keep up with the inside tire that's spinning faster. So to be able to turn corners cars have diffs, and diffs somewhat drag limit forward traction, hence the compromise. Now, when guys take their,let's say Camaro,to strictly track car status, they "lock" their diffs, by welding the spider gears in a street diff, or buy a specialty rear end, we've all heard of a 'posi' rear end. So, if you do not plan on cornering I would get rid of any differential action, some guys jb weld their gear diffs, a ball diff you can just lock down, I would suggest RTV in a gear diff, it's less permanent. I would stay with four wheel drive, the power we have nowadays can't really be harnessed by two 1/10 scale street tires
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