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02-03-2008, 02:32 AM
| #3 (permalink) |
| Shane Quale   |  Re: Need Power Find it here !!!!!! Got Specs?
__________________ Shane Quale "Flip It, Fly It, Hover It, Land It" TEAM SHS www.shaneshobbyshack.com |
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02-03-2008, 10:47 AM
| #4 (permalink) |
| Bad-ass Super Contributer!  | Re: Need Power Find it here !!!!!! My very close Grish Brothers thrust chart shows 28 lbs for a 22-10 at 7000 rpm...Close enough for government work  How about some numbers for the MT50i and MT 62i using the same props... I have both here for testing, might be interesting, my altitude is 6800 feet ASL...
__________________ Irresponsible modeler flying in the heat  Last edited by rcign : 02-03-2008 at 10:53 AM. |
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02-03-2008, 12:06 PM
| #5 (permalink) |
| Bad-ass Super Contributer! | Re: Need Power Find it here !!!!!! On your scale, since the actual pulling point or "hook point" seems to be quite a few inches taller than the fulcrum "hinge" would that not increase the leverage and add weight "thrust"? Or is the depth of the piece going to the scale the same distance from the fulcrum point? Its a cool idea and looks clean! Garrett Morrison |
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02-03-2008, 06:02 PM
| #8 (permalink) |
| Super Contributer  | Re: Need Power Find it here !!!!!! Doesn't REALLY matter if the lever point is messed up or not. The point is to show that the Vess turns roughly the same RPM and pulls better than the carbon prop in the 2nd video. My math says a tick over 3lbs difference. The testing method was the same for both props in both videos. While some of you may argue the leverage point and actual numbers--you can't deny the wood prop pulled better. Do you REALLY know that he didn't build the test rig correctly anyway? Pure speculation. How many of you bothered to build a test rig and then take videos of different props? How many of you posted those videos for the world to see? Jeez, ya try to help some people and all ya get is kicked in the nuts.  Thanks for the videos RCEXTREMEPOWER. Good work. |
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