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  1. T

    Spark Plug Adapter Issue

    Sonex, there was one screw initially, I added two more later. Probably to help center the insulator in the alum. shield. Had two insulators short through, and Steve Bennett replaced them. The orange rubber insert fit loosely into the original four insulators, but were a tight fit into the two...
  2. T

    Spark Plug Adapter Issue

    I had a couple of the GP plug adapters short through. Seems that the insulator was too thin.
  3. T

    Nicopress swaging tools

    There seems to be a lot of importance on gauging the completed squeeze. And, gauges are available. But, what are the actual dimensions of the completed squeeze? Seems that the squeeze could be measured with a caliper or similar for acceptance or not if dimensions were available.
  4. T

    USUA Membership

    Liability insurance for two pilots for an ultralight weight range is around $650. For a light sport weight range it is about $750. This is through O2 Sports Insurance and requires a membership in USUA. The details can be found at O2sportsinsurance.com, after starting an application. Look for...
  5. T

    Sport Pilots Association

    I do remind EAA on every survey that they should get back to the old motto of "learn, build, fly", but have not seen much in that regard.
  6. T

    Basic Calculations

    I have those mags, looked at the index of each month from 1983-1985. I found no article similar to what you are looking for. Tom H
  7. T

    Formula-I?

    Jim, I remember Formula V. A race was held at an airshow at Clark County Airport, Indiana, maybe late 1990's. I had a friend who had a Sonerai 1 entered to race. The engine would not start. I helped him unscramble the plug wires and got him going. He taxied out to the start line and baled...
  8. T

    Sonerai 2 LS – Wing Sparbox Attachment to Fuselage

    Thanks, Fred. I expected that was the case, but wanted to make sure before fabric covering.
  9. T

    Sonerai 2 LS – Wing Sparbox Attachment to Fuselage

    The center sparbox is attached to the fuselage with 4 ea 5/16 bolts, i.e., two on the left side, two on the right side. Each bolt runs from front to rear, through a bushing, then through the spar box, then through another bushing. Each bushing is welded to an upright (5/8” - 0.035” wall...
  10. T

    Original Sonerai II tail wheel spring and fork assembly

    I am attempting to attach three photos of an original tailwheel assembly as purchased from Great Planes Aircraft many years ago. It will be used on my Sonerai 2 LS project.
  11. T

    sonerai.net

    I was also automatically redirected to homebuiltairplanes.com . I have tried to get to sonerai.net, but can't. If it helps, I already had a tab opened to homebuiltairplanes.com, and another set to sonerai.net. This is the way I do it on a daily basis. Except, today, when choosing the tab...
  12. T

    VW Carb options/ opinions

    I have a 2180 VW and the Zenith 14998 carb on it. Seems to work well. But, as you mentioned, recently, as I opened the main fuel valve to the carb, noticed fuel dripping from the vent screen. Tapping on the carb with a screw driver handle seemed to "un-stick" the needle. I opened the carb and...
  13. T

    Ultralight liability insurance?

    We (myself and several in our group) have a Double Eagle and Legal Eagle (both with N#, both light sport category, both Experimental Amateur Built). We have been USUA members for maybe 10 years, and have purchased the liability insurance for both aircraft through the USUA program. In general...
  14. T

    Workshop lighting

    I have some clamp-on type ferrite cores. Will give it a try.
  15. T

    Workshop lighting

    I installed a bunch of light strips that consist of surface mount leds all contained in a 8 ft long fixture. Bought a pack of 10 or so, good price. These were the bright white color (6000k?) and light the place up. But, I found that they cause a bunch of noise in a FM broadcast radio. AM...
  16. T

    1835cc and Zenith Carb

    T, I found this note from Steve Bennett from Oct 31, 2012: "Yes, it is confusing! You should see Zenith's master Catalog - for something really confusing. In general terms, a 12566 up through a 13922 are of the same body style and are put in what Zenith calls Model 68 series carbs. Part number...
  17. T

    DC vs AC Rated Switches

    One way around that was to put 2 switches in series, operated simultaneously. That doubled the arc breaking capacity to break the DC arc. Another method that I have seen is the DC rated contactor has a built-in permanent magnet that pulls/lengthens the arc that is formed when the switch is...
  18. T

    Bending without a brake

    Marc, your reply rang a bell in my head about the Monnett press brake. I found a picture of it from 2003, I'll try to attach it. It is not a detailed pic, but you can see the crank handles that turned threaded rods for the pressure.
  19. T

    Spar bending... A question or two.

    WTR, I, too, wanted to make my own spars. I made a brake using some 1x2 steel tubing and door hinges spaced about 2 ft apart (not sure what a Dave's brake is, but may be similar to what I made). I tested it on some short samples, and it did a good job. When I tried to bend the 8' material, no...
  20. T

    Cutting Aluminum

    I have used a carbide tipped circular saw blade in the table saw to cut alum sheet to rough size. Also, I use a 1/4" 2-fluted carbide edged router bit in my die grinder to carve alum.
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