Recent content by chads

Home Model Engine Machinist Forum

Help Support Home Model Engine Machinist Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. chads

    Looking for a Wall Duplex Mariner 25cc kit

    This might be a long shot but I figured I'd try. If you have a casting kit you would like to sell please contact me. Thanks, Don
  2. chads

    Looking for Modeltec Magazine - Issues Nov & Dec 1990

    All set !!! Thanks bearcar1 :) :) :)
  3. chads

    Looking for Modeltec Magazine - Issues Nov & Dec 1990

    Please let me know if you have any of these issues you would like to sell. Thanks, Don (Chads)
  4. chads

    Briggs & Stratton 6S

    Simply amazing !!! Great work on the Briggs :bow: :bow: :bow: Chads
  5. chads

    1945 "Thompson" Air Cooled Finished !!!

    Thankyou for all the kind words :) This casting kit is still available from Bob Herder at: http://bobherder.tripod.com/casting_kit.htm The casting quality was very good. The only change I made to the kit was that I made the valves out of drill rod. The prints suggested to use the supplied...
  6. chads

    1945 "Thompson" Air Cooled Finished !!!

    I do have a few contruction pictures that I will upload when I get some time. Here is a short video of it running before it got a paint job... http://www.youtube.com/watch?v=r-tBIqpZ0C4 Chads
  7. chads

    1945 "Thompson" Air Cooled Finished !!!

    I finished this engine over a month ago. I finally found some time to get these pictures up. The castings were purchased from Bob Herder and it is a nice running engine. Thanks for looking Don (Chads)
  8. chads

    Christmas

    Merry Christmas !!! :)
  9. chads

    Bob Herders Thompson - help needed...

    I just have the crank cover off to troubleshoot. I ran it again tonight and it really is starting to pick up some rpm's. For some reason it will get an intermittant air bubble in the fuel line which will either cause it to stall out or run erratic for a moment. Don (Chads)
  10. chads

    Bob Herders Thompson - help needed...

    I am using a 12V automotive coil. The points I used were from a big old relay that I tore apart. ...and thanks for the kind words :) Don (Chads)
  11. chads

    Bob Herders Thompson - help needed...

    OK Guys, I got her running :) I lapped the valves with toothpaste over and over and the compression increased where it had the bounce. After some adjustments to the timing and the touchy carb, here is the result... http://www.youtube.com/watch?v=r-tBIqpZ0C4
  12. chads

    Bob Herders Thompson - help needed...

    The engine fires but cannot sustain running. Do you guys suspect this issue as a compression problem still? I'm out of ideas. Thanks for the help... Don (Chads)
  13. chads

    Bob Herders Thompson - help needed...

    UPDATE.. I relapped the intake valve and now have good(better) compression. I still could not get it to fire. However, I tried something different. Even though it is setup with points, I put my buzz coil box on it and it fires and runs for a few seconds. I realize the timing is way off...
  14. chads

    Bob Herders Thompson - help needed...

    I just finished up a Bob Herder's Thompson engine. I tried to run it but it only popped a couple times. The compression is very low and I changed out the CI piston ring with a rubber O-ring- Same thing >:( The valves seem to be seating fine. Has anyone ever seen this before on any other...
Back
Top