Re: wing tips
I re-created the swept style wing tips of the famous race plane Nemesis by Jon
Sharpe on my KR2S although with a little less sweep for practical reasons.
Not sure what speed improvements there might be but it sure looks cool!
Probably the only KR2S with these tips .
Mark Langford has
Hi Stan
This is pretty much how I did mine see www.peterskr2s.co.uk. Haven't flown
it yet so I can't tell you whether it made any difference!
Peter UK
Might be of some interest to the list.
Has anyone tried changing the wing tips?
Regards
Stan
Stan wrote:
Has anyone tried changing the wing tips?
I did extensive testing with N56ML, and then changed the tips to Hoerner.
There was only a slight improvement in speed, but a real difference in
climb and glide capability. See the bottom of http://www.n56ml.com/900hour/
for details. The Son
Paul Visk wrote:
>Would sanding burn marks affect the bond with T88 epoxy?
End grain joints are the weakest, so anything you can do to improve on this
would be good. I read an epoxy comparison done in Wood or Fine Homebuilding
magazine a few years back, and if I remember correctly, their advice
Keep in mind that you can't eliminate induced drag...you will always have
wingtip vortices. I can't write the formula on my tablet. (cl squared /
pi e AR). Most wingtip devices simply improve the efficiency by increasing
the effective span or increasing the elliptical ratio since that's about
al
FAA Advisory Circular 43-13-1B section 1.6 goes into the official process to
prepping glue joints.
www.faa.gov/documentLibrary/media/Advisory_Circular/43.13-1B.pdf
Also great info on knots, mineral streaking, pitch pockets and other wood
defects. Great source.
Dan Prichard
Portland, Or.
> O
On 2014-01-20 3:36 AM, Peter Drake wrote:
From what I have heard the wing tip mod is supposed to give you more
lift and lower your stall speed.
I do not think you gain much in the way of speed.
Regards
Stan
> Hi Stan
>
> This is pretty much how I did mine see www.peterskr2s.co.uk. Haven't
> flo
I was looking at YouTube today and accidentally ran across this
http://www.youtube.com/watch?v=RoOh-fgI8oU
http://www.youtube.com/watch?v=ULhZchv7ito
Might be of some interest to the list.
Has anyone tried changing the wing tips?
Regards
Stan
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