Thruster build

[DavidF]

Just had another one of those "oh Duh" moments, I could use one motor to drive another motor as a generator, put the generator under load (thinking light bulbs) to act upon a load cell. I should be able to dial in the motor and find its sweet spot that way (I think)....... Hmmmmmm that might work, but would still need to know more about the props in order to match up their load to the motor peak torque at a given rpm. Man things were easier when I was playing with my boat, just tried different props and see which worked the best LOL 13.75 X 25P....... :mrgreen:

[DavidF]

Whoo hoo!!! Just coupled two batteries in series (one was half dead and only showing 8.5 volts) and ran it to the thruster. The battery went flat fast so I didnt really get a good look at the voltage, but the amps were about 9 and the thrust was, or atleast I think I saw 3lbs before I felt the power drop as the bad battery died. Still waiting on my digital luggage scale and need to secure my test stand better. Dang thing was pulling the clamps off the fish tank LOL Now Im getting excited!!! Ill try again in the next couple of days.....

[darrenervine]

I am guessing your tail would be wagging if u were a dog?