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Author Topic: Apache 58 Brushless Conversion  (Read 190 times)

Kev_B

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Apache 58 Brushless Conversion
« on: July 06, 2025, 06:51:03 pm »

After many years of my Apache sitting unused, I've decided to convert it to brushless.
The electrics I'm using are:
SSS 5694 1000kv.
Seaking 300a HV V4 esc.
I plan to use a range of batteries from 6S up to 12S. (Dependant on the water I'm running on at that time and who I may be handing the tx over to...  hahaha)


I've got a couple of questions to ask to anyone that may have built and run one of these themselves.


The first is about battery placement.
Common sense dictates they are best low and central, but, as I intend to use different cell counts, they will also need to be mounted at the CofG (so the varying weights won't affect it's balance). To achieve this they'll have to be mounted  on the outside of the rails (as opposed to between them). My question is, will the weight of the cells in such an outer position have much of a negative impact on the handling of the boat? ie causing a more pronounced side to side rock.
This way would however be a problem if I used just a single 6S cell pack.


Alternatively I could mount the motor much closer to the stern and run a short shaft. This would then allow the cells to be in the ideal position between the rails and give me room to be able to move them fore and aft to maintain the correct CofG with the amount of cells being used. But this would then mean the tube would have a more severe bend in it due to the shortness of it (if you get what I mean). Has anyone done it this way and would a more pronounced curve in the flexi cable be an issue or not?
This way would also eradicate the problem of using just a single cell pack in 6S mode...
Has anyone any suggestions please.


The second question is about the servo.
I'll be doing away with the radio box and just be mounting the rx and servo separately in the hull. Bearing in mind that 'normal' size servos are much stronger and torquier nowadays, I'm thinking I may get away with dumping the usual 1/4 scale servo and use a high power 'normal' one. Has anyone done this and how successful is it?


I'm sure I may be asking other questions at some point but that's all that's making me wonder at the moment...   :-)

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