these days the computer simulation models could give a descent indication. as the difference could be small, we might all be wasting time chasing a bit of fluff
Richard Frawley [email protected] We do not inherit the earth from our ancestors, we borrow it from our children > On 17 Jan 2019, at 10:55 am, Mike Borgelt <[email protected]> > wrote: > > Yes, I've seen that article, Erich. > > A couple of months ago we ran a flight test of the theory that the string in > the boundary layer amplified the actual sideslip. Taped a bent paperclip with > a second string 25mm above the normal one. > The boundary layer a couple of feet from the nose is quite thin so this > should have got it outside the layer. > Nope. Strings seemed to move together. > > Need to do this again with several strings at different heights. The flow > disturbance may extend much further from the surface of the nose. > > Mike > > > At 09:36 AM 1/17/2019, you wrote: >> Hello Mike, >> is this article useful? >> http://www.wisoar.org/Documents/Holighaus%20-%20Thermalling%20Efficiency.pdf >> <http://www.wisoar.org/Documents/Holighaus%20-%20Thermalling%20Efficiency.pdf> >> >> ta >> Erich >> >> >> On Thu, 17 Jan 2019 at 07:16, Mike Borgelt < [email protected] >> <mailto:[email protected]>> wrote: >> When circling in a thermal, do you >> a) keep the string centered >> b) fly with it pointing to the outside of the turn >> c) why? >> >> >> Your technique may not be doing what you think it is. >> >> Mike >> >> >> >> >> >> >> Borgelt Instruments - design & manufacture of quality soaring >> instrumentation since 1978 >> www.borgeltinstruments.com >> <http://www.borgeltinstruments.com/> >> tel:Â Â 07 4635 5784Â Â Â Â Â overseas: int+61-7-4635 5784 >> mob: 042835 5784Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â :Â int+61-42835 5784 >> P O Box 4607, Toowoomba East, QLD 4350, Australia >> _______________________________________________ >> Aus-soaring mailing list >> [email protected] <mailto:[email protected]> >> http://lists.base64.com.au/listinfo/aus-soaring >> <http://lists.base64.com.au/listinfo/aus-soaring> >> >> _______________________________________________ Aus-soaring mailing list >> [email protected] >> http://lists.base64.com.au/listinfo/aus-soaring >> <http://lists.base64.com.au/listinfo/aus-soaring>Borgelt Instruments - >> design & manufacture of quality soaring instrumentation since 1978 > www.borgeltinstruments.com > <http://www.borgeltinstruments.com/>tel: 07 4635 5784 overseas: > int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > > _______________________________________________ > Aus-soaring mailing list > [email protected] > http://lists.base64.com.au/listinfo/aus-soaring
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