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shoboat

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Jun 23, 2002
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6,987
Bill,

What propeller are you running on it?

Let Me Know Please?

Mark Sholund
 
Joined
Sep 12, 2018
Messages
16
Bill,

What propeller are you running on it?

Let Me Know Please?

Mark Sholund
Well I just thru a small one on to try x435/437 I think, I had it laying around. First electric boat so shooting in the dark on props. Running a 4s with a leopard 4070 motor. Thanks Mark!
 
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HTV Boats

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Joined
Nov 8, 2006
Messages
2,202
I had that hull and had to replace and reinforce all the hardware. How you get a 40mm motor in it is a mystery to me. With a 2000kv 36X56 mm motor and a 642 or 1715 it ran 50's and handles like crap. I would buy a JAE 26 instead, JMO
Mic
 
Joined
Sep 12, 2018
Messages
16
I had that hull and had to replace and reinforce all the hardware. How you get a 40mm motor in it is a mystery to me. With a 2000kv 36X56 mm motor and a 642 or 1715 it ran 50's and handles like crap. I would buy a JAE 26 instead, JMO
Mic
Mic,
here is a couple of pic. a little grinding and a shoehorn, in one of the pic show where I put the turnfin and how I mount it. Thanks fir the info and I’m looking at different hulls to try.
thanks
Bill
 

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HTV Boats

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Nov 8, 2006
Messages
2,202
I am not trying to rain on anyone's parade just giving info from experience I don't see a 4070 Leopard listed anywhere. What are the dimentions of your motor? Length and diameter minus cooling jacket. KV and how many cells? I have run small hydro's on 3 and 4 cells 29 and 36mm motors.
Mic
 
Joined
Sep 12, 2018
Messages
16
Mic,
Something about me- I will never dis lead anyone and you ask a question I will answer you to the best of my knowledge. That being said I was off a little it a 4065 2700kv. I do have a video of me take it out if you like to see. Thanks for the prop info ,gives me A starting point
 

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HTV Boats

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Joined
Nov 8, 2006
Messages
2,202
All good now we can get down to business. With a high 2700kv (1 1/2 to 2w) motor you have more power than you need. Stay small in prop diameter 40 - 45mm and pitch will dictate speed. ABC 1714 to 1716 and even an Octura M445. Are you using the .150 driveline that came with the boat? A 4065 has a lot of torque and with too much diameter it will break. That hull will run 50-60mph with a 3660 motor 2000-2400kv. You have 70mph capability but the boom tubes will break(maybe more) when it reenters after it leaves the water. Have fun with it and let us know how it goes. Excess power and speed will amplify bad handling issues. I usually go with lower power to start and work out handling bugs then power up.
Short of changing motors you may want to turn your throttle % down on your radio and gradually increase it.
Mic
 
Joined
Sep 12, 2018
Messages
16
All good now we can get down to business. With a high 2700kv (1 1/2 to 2w) motor you have more power than you need. Stay small in prop diameter 40 - 45mm and pitch will dictate speed. ABC 1714 to 1716 and even an Octura M445. Are you using the .150 driveline that came with the boat? A 4065 has a lot of torque and with too much diameter it will break. That hull will run 50-60mph with a 3660 motor 2000-2400kv. You have 70mph capability but the boom tubes will break(maybe more) when it reenters after it leaves the water. Have fun with it and let us know how it goes. Excess power and speed will amplify bad handling issues. I usually go with lower power to start and work out handling bugs then power up.
Short of changing motors you may want to turn your throttle % down on your radio and gradually increase it.
Mic
Thanks and will keep posting updates
Bill
 

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