Mailing List Archive Mailing List Archive
Another strange thing about wing construction for gliders is that it is not the perfectly smooth surface that is the best. In fact you want micro turbulence so the wind do not "stick" to the wing. The micro turbulence acts as a kind of roller bearing. And this is why the OMS has the bungies to create these curves, it's there to produce turbulence so the water won't stick to the wing. The only problem is the manufacture of OMS misunderstood the drawings and the messures. The data for the curves that was ment to produce this turbulence, where given in micrometers but they made curves with the equal amount but in inches. In wing construction you don't make curves to produce micro turbulence, but you drill very tiny holes in the wing surface. Why not try this with the OMS wings, maybe this will reduce the drag [;-) ---------------------------------------------------------------------------- Atle ---------- > From: Jim Cobb <cobber@ci*.co*> > To: scatsta@mc*.co* > Cc: zimmmt@au*.al*.co*; techdiver <techdiver@aquanaut.com> > Subject: Re: OMS wings > Date: 11. juli 1998 02:34 > > Sorry about that, it's been 25 years since my model airplane building > days. > > Jim > > On 7/10/98 6:39 PM Scatsta wrote: > > >Jim Cobb wrote: > >> > >> Airplanes use a concept called "Camber", which is the horizontal angle > >> one wing has to the other. The more camber the wings have the more stable > >> the airplane but the less maneuverable. Stunt planes have a very low or > >> even negative camber, but they are very hard to fly and will wear you out > >> trying to keep them straight and level. > >> > >> As I don't tend to spin around on my axis frequently when I dive I prefer > >> a the reasonable "camber" that a set of standard wings provide. I tend to > >> dive with my tanks up and my face down looking for goodies and lobsters > >> on the bottom. To me the bondage results in negative camber which does > >> not suit my style of diving. > >> > >> Jim > >> > >> > > > >Wrong again. Camber is the shape (x - section) of an aerofoil. Dihedral > >is what you're thinking of. 'Negative' dihedral is anhedral. > > > >Kevin Pickering > >kevpix@gl*.co*.uk* > > > > > > > > > ------------------------------------------------------------------- > Learn About Trimix At http://www.cisatlantic.com/trimix/trimix.html > > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
Navigate by Author:
[Previous]
[Next]
[Author Search Index]
Navigate by Subject:
[Previous]
[Next]
[Subject Search Index]
[Send Reply] [Send Message with New Topic]
[Search Selection] [Mailing List Home] [Home]