At 08:09 pm 16/01/2006 -0700, you wrote: I wonder if anyone has ever optimised the Frisbee design by doing what Messerschmitt did with the Bf 109 wing, i.e. a completely empirical approach with a series of small changes and precise measurement of the effects - He deliberately made them too weak and saw which line of rivets popped first - a process of climbing up the efficiency slope to find the top of the hill. Of course, there's is no guarantee it's the highest hill. 8-(
Frank >Good info, Rick. > >That might explain some of the reported "antigravity weight loss" of motors. > >The 90 ft/sec perimeter velocity on a 12 inch disk at 1728 rpm is interesting >to say the least, if it saw a thrust of about a pound in 0.785 square feet. >Covering "the bottom with something non rotating" as you say, >is easy enough, I think. > >OTOH, a board mounted on a scale with the suction end of >a vacuum cleaner or leaf blower on one end and the blower >hose on the other setting up high velocity air flow, >might lead to an Aero-Hoverboard that you >can Surf the Clouds with on Saturdays. > >4' x 8 ' x 3" fiber glassed Styrofoam? > >Fred >----- Original Message ----- >From: Rick Monteverde >To: [email protected] >Sent: 1/16/2006 6:49:49 PM >Subject: RE: Dash Files for LENR Patent > > >Fred - > >Cover the bottom with something non-rotating. > >I built a small centrifuge a while back for casting small plastic parts with >thick resin, 1728rpm motor, disk 12" or so in diameter. The flat disk (no >skirt) was fully exposed above but was recessed into a box with the motor >underneath so the bottom was exposed to the inside of the closed box. Lost >about a pound of weight when run, which seemed like a lot for such a small >gizmo. > >I wonder how a freely rotating air-blocking disk mounted on an axle on the >underside of a frisbee would affect performance. Maybe try it on one with no >skirt - the 1-element flying Tesla turbine. Give it a little counterspin >before throwing. > >- R. >-----Original Message----- >From: Frederick Sparber [mailto:[EMAIL PROTECTED] >Sent: Monday, January 16, 2006 3:08 PM >To: [email protected] >Subject: RE: Dash Files for LENR Patent > > >Rick Monteverde wrote: > > " I bet that would work! Though simply spinning the disk would pull in air > over the surface due to dragging from the boundary layer (beta ether again), > so the added mechanical complexity of a blower isn't even necessary. Yes, I > think I'll call it the "Freely Rotating Intake Surface Beta Ether Engine", or > FRISBEE for short." > >Cool Rick. Too bad I didn't think of it. :-) > >OTOH if you spin just a disk without a skirt (inverted stock tanks have >a skirt) it will be symmetrical and cancel. > >Got a pie tin, mini motor and a digital scale? > >A long time ago before Frisbees, we used to toss the metal caps off asphalt >roofing >rolls impressive distances. But our dog knew better than catching them. > >Fred
