My long-term pipe dream is to attempt to follow Colin Hales' example. Does anyone have opinions about the maximum fuel capacity a KR-2S could handle if built for that mission?
Dave Klingler On Sun, Jan 8, 2023 at 1:13 PM Flesner via KRnet <krnet@list.krnet.org> wrote: > On 1/7/2023 8:39 AM, G R Pickett via KRnet wrote: > > For those who have a larger-than-VW engine, what total capacity do you > think is enough? > > I’m planning for a tank in each wing, and considering a smaller header > tank behind firewall. Flying solo, I think a 3-5 hour leg is about enough > before pilot fatigue sets in. I’d like enough in the header to fly at > least an hour, with reserve. > > Your thoughts? > > Griff Pickett > > KLXT > > > > Griff, > > Is your project a 2 or a 2S? I would suggest that you need specific needs > to tank more than 20 to 25 gallon. With that much fuel the location will > be critical for W&B. If it is a 2 I'd suggest a 20 gallon limit and a 2S a > 25 gallon limit, all for W&B considerations. Unless you have considerable > cross country trips planned you don't need a lot of capacity for a 150 mph > airplane. I have 2 each 12.5 gallon tanks but very seldom fly with more > than 15 gallon on board. That would give me a 150 mile out and back with > 30 to 45 minute reserve. 25 gallon is like adding a 150 pound passenger to > your empty KR. How is that weight distributed? If you're adding wing > tanks I'd suggest making them long and narrow and as close to the CG range > as possible. Large header tanks have their safety concerns and wing tanks > have W&B concerns. Extra fuel, any location, has performance concerns. > There is no "perfect" airplane. Build yours for your expected missions. > > Larry Flesner > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet >
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