TFF's Recent Activity

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  1. TFF replied to the thread Raptor Composite Aircraft.

    Having some VK and SR experience, you can tell the same people designed both. Wing is one piece and retract gear with the VK but they...

    Oct 16, 2019 at 2:03 AM
  2. TFF replied to the thread Sealant between aluminum.

    If the patch is needed because of cracking, sealant will help it not crack again. Pressurized planes have to have patches with sealant...

    Oct 16, 2019 at 1:45 AM
  3. TFF replied to the thread Raptor Composite Aircraft.

    I can set you up with a VK-30 project with a water cooled Continental 520 Voyager engine. I’m pretty sure all the kits left the factory...

    Oct 16, 2019 at 1:35 AM
  4. TFF replied to the thread Certified engine crankshaft repair.

    A grinding wheel is not going to guarantee round at .003. Although my crank was technically standard bearings, it was .002 out across...

    Oct 15, 2019 at 9:01 PM
  5. TFF replied to the thread Merlin.

    Very tasty

    Oct 15, 2019 at 7:36 PM
  6. TFF replied to the thread Certified engine crankshaft repair.

    With the clamshell, pressure can be put more evenly around the journal over the belt just riding up and down. For the right crank they...

    Oct 15, 2019 at 10:44 AM
  7. TFF replied to the thread Aluminum Tube & Gusset Airbike / Legal Eagle / Parasol Thread.

    Three or four tube depends on what you can give up on weight as much as ease. A Legal Eagle if built light should come out ten pounds...

    Oct 15, 2019 at 10:34 AM
  8. TFF replied to the thread Certified engine crankshaft repair.

    There is an STC to put a roller cam in one and totally eliminate cam problems. The biggest problem today is there are no big item parts...

    Oct 15, 2019 at 2:15 AM
  9. TFF replied to the thread 100LL and O2 sensors; your thoughts.

    Why not have three or four maps set for certain density altitudes. Just switch as you climb. I would want a open mode switch anytime...

    Oct 15, 2019 at 1:00 AM
  10. TFF replied to the thread Certified engine crankshaft repair.

    About 4:11 into the video the guy uses a clamshell polisher. [MEDIA] On my crankshaft, I measured it as Standard at the widest...

    Oct 14, 2019 at 6:24 AM
  11. TFF replied to the thread Chroming Parts.

    The parts are baked as part of the process to prevent the hydrogen embrittlement. At what step I don’t know. A bumper is not baked.

    Oct 14, 2019 at 5:55 AM
  12. TFF replied to the thread Float design safety.

    I wonder if Mr Moose was a fish spotter.

    Oct 14, 2019 at 2:37 AM
  13. TFF replied to the thread Leak From Above Starter.

    Normally it’s the crank seal or case seam. Had a crank seal start spinning in the case recently. Why it never popped all the way out is...

    Oct 14, 2019 at 2:35 AM
  14. TFF replied to the thread Certified engine crankshaft repair.

    Yes. They make .003, .006, .010 undersized. .003 they actually polished down with a clamshell polisher not the belt polisher. .006 and...

    Oct 14, 2019 at 2:05 AM
  15. TFF replied to the thread Scale ME-262.

    A relatively recent pirep on the P-51 vs Spit I read said the P-51 technically flew better but there was something special about the...

    Oct 13, 2019 at 10:05 PM
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