Hello Randall, I'm going to convert to fixed landing gear & your performance figures look really good, what brand of kit did you use was it the Diehl landing gear ?.
On 2019-01-22 05:26, Randall Smith via KRnet wrote: > I know when I started flying my KR it had retractable gear after the third > time the gear unlock while I'm landing I decided to go with a fixed gear. I > actually picked up 5 to 7 kn with a fixed gear and wheels all fared in. Plus > I picked up ground clearance on my prop. > > Sent from my iPhone > >> On Jan 21, 2019, at 10:10 AM, Richard Seifert via KRnet >> <krnet@list.krnet.org> wrote: >> >> I've been following the airfoil thread and would like to add one thing. >> Almost every modification you make to the original design will have an >> up-stream or down-stream effect. Decisions on which airfoil you plan to use >> will likely effect the type landing gear you will be happy with. >> I chose the retracts because that was the only airfoil used when i was >> building and I liked the challenge of flying a tail dragger. >> The RAF 48 airfoil provided well documented flight characteristics with a >> low stall speed. I found that airlfoil worked well with a light weight >> KR-2's retract system with mechanical brakes. >> However almost everyone in the KR community (including myself) made >> modifications to the original design, which almost always increased the >> aircraft weight. The increased aircraft weight and the increased stall >> speed / landing speed of the newer airfoils quickly overwhelms the KR >> mechanical brakes leading to longer runway requirements. >> The KR retract gear system does not accept hydralic brakes easily, and I >> believe that was the primary reason builders started switching to fixed >> gear with hydraulic brakes. >> I believe most successful builders will agree, the most challenging part >> of the KR building process is improving the design, without adding weight >> and reducing usefull load. >> I guess the moral of my story is don't expect a Cadillac to perform like a >> Mini Cooper in a slalom race. >> _______________________________________________ >> Search the KRnet Archives at >> https://www.mail-archive.com/krnet@list.krnet.org/. >> Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change >> options. >> To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
