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  1. jkoper

    Batteries

    I recently watched a documentary about batteries on youtube https://www.youtube.com/watch?v=gxZrQ5yPsLI&t=2587s . The danger with lithium is off gassing of the flammable electrolyte during a thermal runaway. An inventor has come up with a plastic electrolyte that allows the ion exchange...
  2. jkoper

    Ercoupe Flashback Why Isn't There a Kit or Plans????

    To each their own, some don't like my stubby little Vagabond either. I do have to say that I don't really care for the wheel pants on that ercoupe.
  3. jkoper

    Ercoupe Flashback Why Isn't There a Kit or Plans????

    I always wanted one as a taildragger. This is about as cool as it gets. Kinda Swift-ish.
  4. jkoper

    To All The USA Members

    I celebrated my freedom to fly by taking a flight in the Vagabond over Ocoee Lake yesterday. Low, hot, humid, and bumpy, but loved it just the same. I was really hoping for better flying weather this weekend, but whatcha gonna do
  5. jkoper

    3rd Class Medical Reform still alive...

    FAA's moto " Were not happy until You're not happy"
  6. jkoper

    The big video topic

    With all of the glider videos I thought I would post this video of one of my early flight in my Ka6. It's nothing special just a fat boy crammed in a tiny wooden glider cockpit. :gig: It was a great flight for me at that time though. This is flying out of Chilhowee gliderport in Benton TN...
  7. jkoper

    The Oh-NO! Second...

    While doing my glider rating add on, a very early solo flight, first flight of the day. I get in the glider do all the routine stuff set the altimeter back to field elevation 770 ft, and do a normal launch. after a 20 minute flight I enter the pattern at 1800 msl , but it doesn't look quite...
  8. jkoper

    What brand of Belt Drive is this?

    Try ZDE http://zdenterprises.net/2055054.html he still sells parts, just don't say anything about airplanes. They know what the parts are for, they just don't want to "know". ;) Jim
  9. jkoper

    What brand of Belt Drive is this?

  10. jkoper

    What brand of Belt Drive is this?

    That looks identical to the factory belt drive on the 2si 460 that is in my Kitfox. Jim
  11. jkoper

    carb upgrade?

    Hi guys I am currently flying a kitfox lite with the original 2si 460. It runs great but is just a little under powered lifting my big butt:grin:. the engine has a 32mm bing 84 would I see any noticeable performance increase going to something like a mikuni VM 36? thanks Jim
  12. jkoper

    When will the drone fad end?

    It's interesting how things change with a difference of perspective. The commercial folk you mention in your quote seem to say alot of the same things about GA. Especially those crazy people flying there little homemade death-traps around getting in the way of their airliners. I really think we...
  13. jkoper

    How to Register?

    It could be registered as experimental exhibition. There are restrictions that go with that, but they are pretty trivial. You have to submit a program letter to the local FSDO every year ( it is just a list of events you may go to exhibit your aircraft. ) really just a formality. the letter can...
  14. jkoper

    Solidworks EAA Maker Edition

    That's fantastic. I use Solidworks to design tooling at work, it is the best 3D cad system I have ever used. I have been wanting a copy for use in my home shop, but couldn't stomach the price of a seat. Thanks for the heads up. Jim
  15. jkoper

    Kitfox Lite and 4ao84 engine

    Thanks Propman. That warrants some serious thought. A real radial sure would look good on a kitfox. :grin:
  16. jkoper

    Kitfox Lite and 4ao84 engine

    I really like the Verner 3. Anyone have any idea of price and availability?
  17. jkoper

    Kitfox Lite and 4ao84 engine

    I have a Kitfox Lite with the original 2si engine. I have been thinking that the 4ao84 and the kitfox could be a fairly good match. Does anyone have any familiarity with the kitfox lite? Would the airframe be able to deal with the extra weight? I know that the 503 was an option on these, but the...
  18. jkoper

    Drone to Tow Sailplane

    I find this discussion very interesting. There are a lot of gliders out there that cannot be retrofitted with any type of powerplant. I currently own and fly a Ka6 and it just does not have the extra capacity to carry an engine, but if some hard point fitting could be mounted at the spar...
  19. jkoper

    Member Names and Avatars

    mine is my first initial and last name. My avitar is a picture I took of a 1938 slingsby gull that is based at the same gliderport where I keep my Ka6. I think it is one of the most beautiful aircraft ever built.
  20. jkoper

    Plans for early 20th century sailplanes/gliders?

    The Vintage Sailplane Association sells Blueprints for many old glider designs. Miscellaneous – Vintage Sailplane Association Jim
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