The RAF Vulcan bomber had solid airbrakes-no holes (which enabled this 90 ton delta to descend vertically-..been there..) Mac
On Wed, Dec 31, 2014 at 9:51 AM, Herbert F?rle <krnet at list.krnet.org> wrote: > > ....any Test,however it is performed,gives a lot of informations! The > aerodynamic principles are always the same ,also in the case of the hot" > bellyboard -drag" discusion.For me it's important the location of the board > and I think the place underneath the rearspar is very well chosen ( far > enough behind the CG ,to give the Kr a small amount of direction stability > like a dragchute and the waketurbulences does'nt hit the HS !) I 'm > convinced,a board without holes are more effectiv ( one big waketurbulence > produce more drag compared to many small ones). > I'm also think,a big advantage of the bellyboard is the fact ,that you can > lower the nose of the Kr on final for better sight( wether you have to push > or pull the stik )! > Herbert > German Kr builder . > > > Von meinem iPad gesendet > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options >
