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Is this a workable combo
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Big House
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Is this a workable combo - 09.25.2008, 07:59 PM

It is evident to me that my Mamba 7700 motor will not push a 5-8 lb car without killing the batteries, so after some research I have put the following together. Please let me know if this combo will properly propel my Super RS4 to the 45-55 mph range.

Castle Mamba Max ESC
Medusa v2 36x50 3300kv Motor
A123 4S1P 4600 mAh
Gear ratio - 2.16
Spur - 44t
Pinion - 15t
   
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magman
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09.25.2008, 08:16 PM

What vehicle is that...not sure. Also, what tires are you plan on running?


1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S
   
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BL_RV0
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09.25.2008, 08:20 PM

I think its a 1/7th onroad?


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magman
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09.25.2008, 08:34 PM

I tried to plug it into the speed calc., but w/out all the paramiters...it is a no go...


1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S
   
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Big House
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09.25.2008, 08:43 PM

A Super RS4 is basically a 1/9 scale on road touring car. I'm running 2.2 hpi wheels.
   
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magman
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09.25.2008, 08:51 PM

As far as the set up goes...due to it's size, 4s may not reach your desired speed. If you step up to 5s you should not have a problem.
Also, I would consider the 60 series Medusa instead of the 50 series. I have a 50 series in my small, light crt.5


1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S
   
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Big House
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09.25.2008, 09:29 PM

Besides the Medusa, what are other motor suggestions? I am running the MM for right now.

Last edited by Big House; 09.25.2008 at 09:30 PM.
   
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magman
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09.25.2008, 09:42 PM

You could try a Neu 1512 series...they aren't cheap, but, they are the best electric motors available...period. I run a 1512 1YF ( 1900kv ) in my mbx-5 shown here...

It runs cool and it is extremely efficient....on 4s it v/fast. On 5s it is silly fast. If you jump up to 5s, you will want a different esc than a mm esc.


1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S

Last edited by magman; 09.25.2008 at 09:46 PM.
   
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magman
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09.25.2008, 09:54 PM

Also, if you plan to run 4s w/the mm esc you will need an external bec


1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S
   
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