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Old 14-09-2010
rizka rizka is offline
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Default top speed motor and esc combos

hi im trying to get a bj4 to high speed for radar runs anyone got any advice on motors and esc i was thinking 3.5t but now im thinking 2.5t ,what escs will cope,will i need more cells as i down in turns eg do i need a 3s to power a 3.5t when a 5.5 would need a 2s lipo? any help will be greatly appreciated ,ive been doing speed runs with a velineon system so far and want more speed so i thought turns would be better than kv....am i right?
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Old 15-09-2010
rizka rizka is offline
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ok so i am now getting confused and with little help and money burning a hole in my pocket ,i dont want to make the wrong choice but i do want to make one!!....i want to do very high speed runs in a 1/10 bj4 like i say the velineon will do high 60's low 70's but i would like something much, much more powerful with a motor that fits in my bj4...im open to ideas ,i have been looking at the mamba max's but they top out at 60 mph as a system,exceed 3.5t systems look quicker but are only 2s so will that be a factor....like i say any help would be brilliant as ive had 57 views and no comments ...come on lads give me a hand
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Old 15-09-2010
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TBH you're probably getting no comments as no one on here really runs more than 2s and for racing 4.5 is considered too much power, let alone a 3.5!

Is there any possibility you could get a combo from an electric 8th scale in the car somehow? They can normally cope with higher voltages, good luck with working out gearing though
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Old 15-09-2010
rizka rizka is offline
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ok thanks for answering mate ... ill ask elsewhere im sure il find something ..i thought someone on here would be interested in very high speeds and may have some info tho ....not to worry
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Old 15-09-2010
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The Mamba Max Pro will take up to 6S lipo . Not sure what the motor limit is... but even running a 5.5T on 6S would be crazy fast. Not sure how you'd fit a 6S lipo in a BJ4 tho.

I may not be correct, but AFAIK a 3.5T running on 3S will be faster than a 2.5T on a 2S.
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Old 15-09-2010
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Buggies aren't really designed with high straightline speeds in mind - aerodynamics and the surface required for a high speed run kind of make them a bit pointless.

If I was trying to see how fast an RC car could go I'd be looking for a touring car of some description and a long length of smooth tarmac.

For a buggy the ability to make it around a rough track means that the top speed is academic.

Sorry!
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Old 15-09-2010
rizka rizka is offline
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i could fit 6s ,2 3s lipo packs just have to get the right size...ive read the mamba max pro wont actually handle anymore than 3s even though its rated 6s but the mamba monster will... but will a mamba monster 2200kv motor fit though as its a 5mm pinion and about 15 foot long
im actually looking at the logic exceed 3.5t would it power my bj4 or is it a tc system? i cant find the info anywhere
heres the system info
http://www.logicrc.com/?ItemId=M-FS-...0,c:60,c:60-34

should be mad fast it says 13,300 rpm/v so x that by 7.4 v = 96200
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