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  1. C

    Horrible news from Vans Aircraft

    https://www.vansaircraft.com/2023/10/business-announcement-from-vans-founder-dick-vangrunsven/?fbclid=IwAR1YocCX1eZN_LcLlJYc8M9V5YlPJY9UHtdDlfdMTXqO57n-H1mu4B58tZU_aem_ATZfDhKyt0yA9RXNnp2lzL-uVKyPpXJi44GOtWwrE0h9UqNBksrmFjEQaU_Azn9a7qs&mibextid=Zxz2cZ
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    Private landing strip question

    I went through the p I went through the process to get an approved airport in, and it’s not even that bad to do… The first thing you need to do is look at logistics and get the answers you need prior to getting the local FAA office out. These are the biggest things you have to verify upfront…...
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    Radial Engine retrofit kit for Bearhawk Patrol

    Monocoupe Aeroplane is proud to announce our "retro fit" kits soon to be available for the Bearhawk Patrol. We are the manufacturer of the new Warner 185X radial engine and have been working on retro fit kits for numerous airplanes, starting with the Bearhawk. We feel that the kit is a great...
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    Warner radial engine update

    Specs for engine are : 38" diameter 550 CU IN 300 lbs with modern accessories 225 hp (first gen) up to 285 hp (3rd gen) direct port fuel injection All engines will be dyno run and come with a dyno sheet for that serial numbered engine. -John
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    Warner radial engine update

    Yes we would... Eventually, we are planning on having Warner Engine Co sell certified radial engines and replacement parts.
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    Warner radial engine update

    Just wanted to give you an update on our new Radial engine. The first parts should be coming off our new CNC haas vf5 five axis machine this week. The Warner 185X will feature billet front and rear cases, induction housing and heads. New crankshafts and master rod and links, as well as jugs...
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    Warner 185 radial engine coming back

    nope, we digitized a monocoupe and are building a clip wing kit
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    Warner 185 radial engine coming back

    Monocoupe Aeroplane Corporation of Grantville, PA, are pleased to announce the signing of a license agreement with Warner Engine Company, LLC, of Palmer Lake, CO to begin production of the Warner 185 radial engine for the experimental airplane market. Monocoupe Aeroplane Corporation was...
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    Why use 1025 tubing instead of 4130 chrome moly ?

    I was looking at some original drawings of an certified airplane from the 1930s and noticed that they used a lot of 1025 steel tubing in it. It was mainly used in the engine mount area with 3/4" .049 where as the rest of the airframe is chrome moly 4130 in sizes from 7/8" down to 1/2". So my...
  10. C

    Molded wing skins with solid foam core

    I know there has been quite a bit of talk about foam core (Rutan style ) wings vs built up composite wings, but here is another question. Would it be advantageous to build wing skin molds top and bottom with a flange around them for vacuum bagging that would serve as a flange to bolt together...
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    CG Limit Range HELP NEEDED

    It is a Space Walker II Revolution built by an individual in Florida. We have gotten two different CG ranges and I wondered if one was empty CG and the other loaded ((like a Cub). First is 11.75-17.25 from LE, the other is 10.8- 20 from LE and states 19.6-36.4% MAC.. We are currently at 18.89...
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    CG Limit Range HELP NEEDED

    We have a home built two seat low wing airplane that has a Clark Y airfoil with a 54" chord and 28 ft wingspan. We have two different people telling us what the CG limits are. Can anyone tell us a MAC % fore and aft would be for a Clark Y airfoil? Cubs show 36% aft. Any help is greatly...
  13. C

    CG Limit Range HELP NEEDED

    We have a home built two seat low wing airplane that has a Clark Y airfoil with a 54" chord and 28 ft wingspan. We have two different people telling us what the CG limits are. Can anyone tell us a MAC % fore and aft would be for a Clark Y airfoil? Cubs show 36% aft. Any help is greatly...
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    Glasair RG project

    Looking for Glasair RG project, any condition, missing parts OK. Email us at [email protected] any info on your project. Need ASAP.
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    New Aircraft design tube fuselage with foam core wing

    So we were optimistic by 18.7 lbs.. I did all my calculations as a layman without using any formulas.. Within 2% or so prior to getting it run through formulas... I think that I am happy with your validation. BTW - I said from beginning we are using extra as inspiration but competing with the RV...
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    New Aircraft design tube fuselage with foam core wing

    We answered most of the phase 1 on the original post but here you go: Take off landing under 500 ft Stall 55-57 mph gross Original weights were 1250 gross 800 empty, we did revise this to 1325 gross Top speed of 200 mph gross with 150hp Rate of climb 1600 fpm gross Range 450 sm at 190 mph Yes...
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    New Aircraft design tube fuselage with foam core wing

    Great answer, so the process did work.. That was what I was looking for. I am not anti engineering as most probably think, I am trying to digest it all. I love to hear from guys like you and Bob that have successfully built what they had in their mind. Thanks for the link
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    New Aircraft design tube fuselage with foam core wing

    But did the engineering process fail you? If you used the process how did the formulas net a slower, heavier design? Not trying to pick on design, I want to understand why the engineering process did not net a faster, lighter, stronger design? Please do not take this as an attack on you or the...
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    New Aircraft design tube fuselage with foam core wing

    But did the engineering process fail you? If you used the process how did the formulas net a slower, heavier design? Not trying to pick on design, I want to understand why the engineering process did not net a faster, lighter, stronger design?
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