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Electro conversion kit

jorisee

Active Member
Messages
43
Could anybody share soms tips re an electric conversion kit for my Marder?

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jorisee

Active Member
Messages
43
I found fg68510 conversion kit listed on the modellsport website. Seems to be compatible.

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LibertyMKiii

Well-Known Member
Messages
87
Location
North Dallas suburbs
I agree with the others the MAX5 hobby wing is a solid esc if 8s 200amps is all you need.
The ESC runs reliably, stays cool under heavy load, and cranks out plenty of power.
I have been very supprised by the quality and power of the Leopard 1/5 scale motors, but there are plenty of other options. If you have a specific speed and power in mind I'd be happy to offer some advice on the electronics setup.
 

jorisee

Active Member
Messages
43
I'm on a budget so was thinking 6s. Any advice would help. Thanks!

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LibertyMKiii

Well-Known Member
Messages
87
Location
North Dallas suburbs
I think the Leopard 5882 (1350kv) is the ideal motor for 6s with the potential to safely run 8s later if you wanted. It also happens to be reasonably priced and much lighter than some of the larger motors.
Either the Max6 or Max5 ESC would be great for this. The Max6 is a good bit smaller rated at 160amps versus 200amps for the Max5.
Im sure there might be another ESC option which you could save $40 on but would it be as reliable and powerful? I think its worth the cost.
If you could get your hands on a Castle XL-X at a good price, I think that it is a great option and has some amazing tuning via usb/pc.

Looks like the Marder runs a 50T spur? I think a 20T pinion would work great with this. (of course you can adjust that gear ratio)

160 amps * (4.2volts per cell * 6 cells=25.2 volts) = 4032 watts
less thermal efficiency and other factors (-10%) lets call it 3628 watts
3628/746 = 4.86hp

If you moved up to the Max5 esc (at 200amps) still on 6s that number goes up to 6.08hp

Going to 8s would then push you into the 8-9 hp range.

-Liberty
 

jorisee

Active Member
Messages
43
Thanks for the detailed advice. Seems like a solid future proof solution. The motor is relatively cheap so I will get that. Is itnorml to buy e ESC twice the price of the motor?

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evssv

Well-Known Member
Messages
2,817
Location
Bristol uk
Thanks for the detailed advice. Seems like a solid future proof solution. The motor is relatively cheap so I will get that. Is itnorml to buy e ESC twice the price of the motor?

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Unfortunately yes(n)...but quality costs....(y)
 

Seandonato73

Well-Known Member
Messages
1,217
Sometimes all depends on what kind of esc you want. Motors are cheaper to make. Just some magnets and copper windings. (Simplified version) esc have all kinds of electronics wrapped into a tiny little space. That all adds up the cost real fast.
And x2 on the castle xl-x I have one and love it. Running 6s in my savage xl with it. Very easy to program. No issues to date.
 

LibertyMKiii

Well-Known Member
Messages
87
Location
North Dallas suburbs
My answer to that is sort of. Leopard just has great prices but not bad quality.

My TP power motor was more than the esc.
Steve Neu motors are about 600.00
Lehner motors run also 600-800
 

jorisee

Active Member
Messages
43
I can buy a Mambaxl-x 2nd hand. Would that work out?

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evssv

Well-Known Member
Messages
2,817
Location
Bristol uk
hhhm...imo I`d buy new on the esc..(y)...at least u have a warrenty....(y)....buy 2nd hand it could go pop nx day...wk...month..:cry:....then u gota buy the new one.....:rolleyes:
 

jorisee

Active Member
Messages
43
I cant find the leopard motor in the Netherlands. If I buy from a US shop I think I don't have warranty

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