Re: KR> Cowling exit

2017-07-22 Thread Stef den Boer via KRnet
Thanks for the responce. Always nice to have a answer from this good forum. I will go for 1.3, on top of the cowling I planed 2 holes that can be opened on downwind. There is a lot of heat in the cowling because my hole Exhaust system wil be in the cowling. Temp wil rising if you park the plane aft

Re: KR> Cowling exit

2017-07-21 Thread Teate, Stephen via KRnet
"How much bagger is the outlet area" Hello Stef, If you go with a fixed inlet and outlet your "flow" through the cowl will be optimized for only one speed range. A lot of cowls have a variable outlet which will also control the inlet. Variable inlets being harder to design. If you go with a

Re: KR> Cowling exit

2017-07-21 Thread Mark Langford via KRnet
Stef wrote: Hi all, I am busy to finalise the Exhaust And the cowlings. Tony Bingelis speaks in his books that the outlets must be bigger than the intake. How much bigger? Is this 10% bigger... There are many variables such as speed and that sort of thing, and you'll hear many answers but I

KR> Cowling exit

2017-07-20 Thread Stef den Boer via KRnet
Hi all, I am bussy to finalise the Exhaust And the cowlings. Tony Bingelis speeks in his Books that the outlets must be bagger than the intake. How much bagger is the outlet area.i cant Find it in the Books. Is this 10% Thanks Stef Steph and his dad are building the KR-2S see http://www.mastt

Re: KR> Cowling exit design

2017-03-03 Thread Pete Klapp via KRnet
Mark A number of years ago when Rich Shirley was at Oshkosh and was having overheating issues with the Jabiru 3300 in his KR-1, I went to a seminar given by a German aerodynamisist to see if I could learn anything useful. She stated that cowl cheeks low on the sides was best location. Short of