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Lehanover@aol.com wrote:
Regarding Dyke Delta design:
I have a set of plans as well. I have welded up assemblies for another Dyke. The original is still flying every year. The original design was to have been all composite, probably fiberglass. The FAA would have none of it. So he changed the design to that "New" 4130 steel tubing. Just lucky he was not burned at the stake over that. Surprised he got away with the
"Other worldly" Glass skins.
I've often considered how much easier and lighter this airframe would have gone together using a composite "box" design for the wings and fuselage. The fold-a-plane technique, reviewed in the FAA's magazine a few years back, would have made it a cinch. Eliminating the folding wings and substituting bent aluminum, non-retractable main gear would cut hundreds and hundreds of hours off the build time. The only 4130 I'd keep would be the cockpit and canopy structure, and that would be for safety reasons.
Oh well, I better get this one flying before I start designing the next one 8*)
Regarding first start:
That 250 RPM should be fine. Prime with a 50/50 mix of fuel and motor oil.
Any suggestions on how you'd prime with anything other than what is in the fuel tank? Squirt it into the spark plug holes maybe?
Oil pressure before start by cranking with the plugs out and no power to the ignition system. Instant oil pressure on start up.
DANG-IT!! I don't have the oil pressure gauge hooked up. In fact, I don't have an oil pressure gauge! I have verified oil flow up through the oil filter adapter block and through the PSRU. Another block until I get a gauge. Any suggestions on a good gauge to use with the standard pressure sender?
Keep one hand on the engines water outlet to confirm coolant flow.
I have an electric water pump. I can confirm the flow before I crank the engine. 8*)
First starts are a thrill every time. Good luck.
I haven't even gotten it to start and it's a constant thrill just thinking about it.
Lynn E. Hanover
In a message dated 4/26/2011 12:10:37 A.M. Atlantic Daylight Time, echristley@nc.rr.com writes:
2) Is 250RPM enough spin to start a rotary? I know Lynn has
emphasized
that they start better the faster they can be spun. Will 250 give an
easy start?
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