Outboard motor choice

[1truckerdan]

A 1100kv motor would be 24,420 rpm on 6s

[lohring]

Brian Buaas tried a higher Kv motor. The boat was undriveable. We also wanted to duplicate nitro motor's rpm and use similar props. You could probably run a small prop with a higher Kv motor, but it might take a different boat. I have years of experience with the Leecraft XT-460. That setup is at the upper edge of what the boat will handle. The very best drivers (not me) can heat race that hull at a little over 60 mph top speed. This setup can match or exceed that with a modified 1450 prop. Below is a picture of the layout.

Lohring Miller

P1010084.jpg

[kendt]

Very cool. I guess im thinking about monos or cats when I think of higher kv,s. I understood the sweetspot to be somewhere between 30 to 35000 rpms. If you are trying to keep it on par with nitros it would make sense.Mine will be for a hotshot 45 hull and i have no clue what kind of power it will handle. Im still trying to gather info on bringing the hull up to snuff in that area but have come up empty.I was going to try to avoid 6s due to the cost of the batteries however i have since learned that the higher voltage setups are more efficient and a bit easier on the esc etc so i am now re thinking my approach

[HOTWATER]

Brian Buaas tried a higher Kv motor. The boat was undriveable. We also wanted to duplicate nitro motor's rpm and use similar props. You could probably run a small prop with a higher Kv motor, but it might take a different boat. I have years of experience with the Leecraft XT-460. That setup is at the upper edge of what the boat will handle. The very best drivers (not me) can heat race that hull at a little over 60 mph top speed. This setup can match or exceed that with a modified 1450 prop. Below is a picture of the layout.

Lohring Miller

[ATTACH=CONFIG]59185[/ATTACH]

Lohring, with the batts up front like that, where does the CofG fall? Just curious.....

-Kent

[lohring]

The CG is the same as the nitro boats - 10 1/2 to 11 inches from the transom. Some racers ran the CG back as far as 9" from the transom, but I never got that to work. The nitro boats carry a lot of lead on the sponson tips. With an electric you can solve this easily with battery placement.

Lohring Miller

[HOTWATER]

Good deal...love the Leecrafts!