KR> Re: RAF 48 airfoil

2011-11-07 Thread Brock Schuler
This can be done with Plotfoil (plot an airfoil out at a certain size in postscript). If the printers can't print postscript the program Ghostscript could be used to convert the postscript file to PDF or an image file. I think Plotfoil is more intended for model airplanes as it seems to work best w

KR> Reflexing AS5045 Airfoil

2011-06-17 Thread Brock Schuler
Has anyone tried reflexing the flaps 5deg to reduce drag on the AS5045 airfoil? The airfoil does have a slight cusp so I thought it might help. Brock

KR> Re: [Informal!] poll on revival of McCulloch 4318 engines

2011-06-12 Thread Brock Schuler
I've started a email group at http://groups.yahoo.com/group/DIY_2S/ about DIY Two-Stroke Engines. The engine I plan to build is similar to the McCulloch 4318 so I'm definitely interested. Brock

KR> Why No Retractable Landing Gear on KRs Anymore?

2011-04-05 Thread Brock Schuler
The plans for the KR-2 I have seen have a retract system. I have got the impression that they have fallen out of favour. Is it just too much hassle or are the castings not available anymore? I know airplanes with wheel fairings can have good cruise speed but it seem like it would just be that m