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  1. J

    Trying Something Different For Heat

    Guys, I had an Engineering professor that had a great idea to heat homes in the arctic that in a manner that would not affect the permafrost. They installed microwave generators in each room to just heat the people and not the building. It was quite "comfortable", until they learned of the...
  2. J

    Fuel Valve Leak Around Threads

    I use a product called fuel lube for gasoline applications on my airplane. Jim
  3. J

    Best way to seal threads on indented firewall gas valve

    I use a product called fuel lube. It work to seal threaded joints in fuel systems and also lubricate fuel valves and petcocks. It is quite common in the aviation world. Jim
  4. J

    Recognize This Horn???

    I have one that is a 1931 Klaxon that looks the same. I will check this weekend. Jim
  5. J

    Water leak in cylinder

    If you can get a vacuum on the water jacket you will be able to use Locktite. The vacuum will suck the Locktite into the porosity and in the presence of metal and absence of air it will seal the leak. This is common procedure used in die casting aluminum engine blocks and transmission cases. Jim
  6. J

    Made in China transmission bearings

    Guys, A few years ago i needed new wheel bearings for an XJ6 and they were made in China as well. they did not last long. The original Timken bearings had case hardened rollers and the Chinese bearings had through hardened rollers. The through hardened rollers did not have the same resilience...
  7. J

    Model A flywheeel lightened

    Guys, A flywheel is an energy storage device. It basically damps out the power pulses as the respective cylinder fire. Less mass/moment of inertia results in less damping effect. Jim
  8. J

    Whiny transmisio

    Maybe it's a female transmission? Jim :-)
  9. J

    How to balance fan blades?

    Years ago I worked for Canadian Fram where we made automotive cooling fans and they dynamically balanced the blades and punched the hole in the optimum location. Jim
  10. J

    Making Wood Plans available

    Guys, Years ago I had the same issue with planetary gear reduction drive plans for experimental aircraft. My solution was to print the plans on red paper. Scanning was difficult and photocopying resulted in everything looking black. Regards, Jim
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