Hello Hennie, You don't have to put that engine in a KR. If that opportunity came my way, I would take advantage of it even if I did not have a use for the engine. There is certain to be an opportunity for some old-fashioned horse trading somewhere along the line...
Chris On 5/8/2014 11:42 AM, Hennie van Rooyen [HQP Alloystream] via KRnet wrote: > Hi gents, > > > > Thank you for your reply. Mark, I hear your point & will give it some serious > thought. When you look at my pics, you'll notice the builder made the > ailerons inboard only and full width to the rear spar. I'm sure I can convert > that into flaps and ad outboard ailerons. This would not be so much to lower > the stall speed, but to add drag during landings. > > > > Peter, I'll keep in mind what you've said. If I could have the ABSOLUTE > engine of my choice, it would have been the 6 cyl Jabiru. Unfortunately those > do not come cheap. > > > > Fact is, IF I can get this deal, it would be just too good to let it pass. > Never in my wildest dreams did I think for a moment that I could lay my hands > on such an engine. IF!!! this deal goes through, I'm willing to adapt. I'll > say no more for now as everything depends on the outcome. I was caught > completely off guard today and my mind is still spinning endlessly. I just > wanted to know the pros & cons to make a more educated decision for the > moment. This would be the closest thing to REAL flying I've yet come to in my > life. Yes, I have a great many hours in ultralights, but as you know you can > go nowhere in those. The odd Koala (Fischer FP404) and Mizer I had were the > closest and then they could only do 75mph max in cruise. > > > > Anyways, all the best everyone, > > > > Hennie van Rooyen > > > > > > > > > > > > Peter wrote: > > > > Hennie; Continentals need to be run at 75% at cruise, or they can burn oil. I > added a quart an hour in my IO-470 because I ran at low power too much of the > time. Also, how will you transfer that much torque to the airstream if you > are limited to a 55 inch prop? HP=T x RPM Peter > > > > > > > > > > Mark wrote: > > > > Hennie van Rooyen wrote: > > > >>> I am able to lay my hands on a good 160hp Continental engine, complete > with prop & running. What is the heaviest & most powerful engine ever put in > a KR2? I see it weighs 297 lbs compared to the 227 of the Corvair.<< > > > > The "world's lightest KR" project sure didn't last long! I had this same > > conversation with a newbie on the list a few weeks ago. His goal, like so > many other of us cheapskates who build KRs, was to fly in and out of a short > strip on his own property, dodging expensive hangar rent. The problem with > the KR is that it's a very slippery plane, so landing burns up at least twice > as much runway as takeoff, if not more. You can get out of places that you > can't even land at, which is problematic. Being light is good...it means a > low stall speed, but if you add an extra hundred pounds of engine, you're > stall speed will climb, and your landing glide will extend due to the higher > speeds you'll have to land at, and you'll need even more runway to land. If > getting in and out of short strips is a concern, you need the lightest engine > you can live with (and afford), not to mention "real" flaps and a bellyboard. > Landing is your limiting case, not takeoff, so the extra power hurts your > overall mission goal, not helps it. > > > > Having said that, I'm a big fan of more power, but short strips demand > compromises, and engine weight is one of them. If you have several thousand > feet of runway at your disposal, it's not so much of a concern...unless you > have to dead-stick it in a small hayfield someday... > > > > Mark Langford, Harvest, AL > > ML at N56ML.com > > www.N56ML.com<http://www.N56ML.com> > > > > _______________________________________________ > 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 > > --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com
