Here's your quick and dirty, diy "thrustometer."
http://tinyurl.com/n2dcjda
On Mar 25, 2014 10:46 PM, <billj474@yahoo.com> wrote:
Hopefully I have a more efficient hull shape as a displacement hull and can bring those amps down! I was hoping for something like the 15% gains I've read about in other sailboat applications. I've been reading about using model airplane propellers and even nose cone spinners to increase efficiency by up to 60% but weeds can be a problem over the weedless design normally found on trolling motors.
Im also contemplating doing some reliable testing to get some hard numbers. I think I could use a long 2x6 and t-brace arrangement across the corner or arc of a swimming pool in conjunction with a strain gauge or force gauge to get accurate numbers without worrying about the effects of wind, wave, or current found in the real world or the turbulence limitations imposed in a trash can or small tank. Now I just need the wife to ok an indoor pool so I can start testing! We are still getting hammered by low temps in the teens and even single digits.Bill
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