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Forum: RC Airboats

11-27-2017, 07:07 AM

Replies: 23

Dumas Big Swamp Buggy

Views: 12,375

Posted By Got RPM

An airboat isn’t an airplane. Planes go fast...

An airboat isn’t an airplane. Planes go fast enough for the motor to unload in the air, reducing amp draw. Airboats don’t go fast enough to have as much reduction in current draw.

Remember that...

Forum: RC Airboats

11-26-2017, 07:47 PM

Replies: 23

Dumas Big Swamp Buggy

Views: 12,375

Posted By Got RPM

Success with electric power depends on the motor...

Success with electric power depends on the motor size and Kv. What is the Kv of the BL-50 you intend to use? If it is the 525 version, eCalc predicts about 9 pounds of static thrust and 60 amp draw....

Forum: RC Airboats

01-29-2017, 05:59 PM

Replies: 23

Dumas Big Swamp Buggy

Views: 12,375

Posted By Got RPM

A tunnel does slide in a corner like a flatty...

A tunnel does slide in a corner like a flatty does, it is designed to hook up tight around the buoys. There is very little weight difference between similar 7.5 and 11 cc engines, for example just...

Forum: RC Airboats

01-29-2017, 04:27 PM

Replies: 23

Dumas Big Swamp Buggy

Views: 12,375

Posted By Got RPM

Two-month-old thread, but I'll bite. I built one...

Two-month-old thread, but I'll bite. I built one about 25 years ago, sealed it with 3/4 ounce cloth and thinned epoxy - not that expensive to do, not difficult and never leaks. I mounted a Fox .45...

Forum: RC Airboats

11-15-2016, 04:55 PM

Replies: 23

Dumas Big Swamp Buggy

Views: 12,375

Posted By Got RPM

Don't know, but the one I built 30 years ago was...

Don't know, but the one I built 30 years ago was "die cut", meaning smashed by a dull butter knife. Not sure why they would change, where they mention how the current kits are cut there is NO...

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