Vigilant1's Recent Activity

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  1. Vigilant1 replied to the thread Member Upgrades.

    Yes, you would think we are being offered a non PayPal option, but we are not. When I clicked the "credit card" button, I got a sign-in...

    Jun 16, 2019 at 10:16 PM
  2. Vigilant1 replied to the thread Airplane 05 - A new airplane design.

    drstress, Regarding Post 61: It looks like you've done the calculations by hand and included some values provided through the VSP Drag...

    Jun 16, 2019 at 9:33 PM
  3. Vigilant1 replied to the thread Member Upgrades.

    +1. If there's a way to enroll without getting a PayPal account, that would be super.

    Jun 16, 2019 at 9:06 PM
  4. Vigilant1 replied to the thread Raptor Composite Aircraft.

    A prop strike on rotation could save the life of a test pilot, or Peter. $20k well spent.

    Jun 16, 2019 at 7:44 PM
  5. Vigilant1 replied to the thread Briggs vanguard conversions.

    This is a (propaganda) video (7:18 long)about the B&S Turf/Commercial 810cc engine. It was made some time ago (engine sticker still...

    Jun 16, 2019 at 6:49 PM
  6. Vigilant1 replied to the thread Measuring engine torque.

    Some observations, this is pretty much backup to what you've probably already figured out. The dyno chart below was produced by Sonex...

    Jun 16, 2019 at 5:19 PM
  7. Vigilant1 liked Hot Wings's post in the thread Briggs vanguard conversions.

    :oops:o_O:(:mad::confused:?? More like my sacrifice for the year. Need to do a better job of keeping my posts on topic. :D The AV-36...

    Jun 16, 2019 at 3:04 PM
  8. Vigilant1 liked Hot Wings's post in the thread Briggs vanguard conversions.

    A couple of links related to wrist pin lubrication. Just a starting point for further contemplation....

    Jun 16, 2019 at 3:41 AM
  9. Vigilant1 liked poormansairforce's post in the thread Briggs vanguard conversions.

    The grooves are on the sides of the journal bearing area so oil escapes between it and the crank cheeks. There are a total of four.

    Jun 16, 2019 at 3:40 AM
  10. Vigilant1 liked BBerson's post in the thread Briggs vanguard conversions.

    Ok, here is the full sentence in the Honda GX620 manual (lubrication system): "At the connecting rod journals, grooves in the connecting...

    Jun 16, 2019 at 3:40 AM
  11. Vigilant1 replied to the thread Briggs vanguard conversions.

    Thanks, now the light has come on. Yes, it wouldn't seem to be a problem to cut some grooves like that. Or drill a hole in the big end...

    Jun 16, 2019 at 3:40 AM
  12. Vigilant1 replied to the thread Gotchas with the Carmichael racer.

    The single pylon is probably less draggy than the twin cabanes. The pylon and down into the pod would be a pretty good spot for fuel...

    Jun 16, 2019 at 3:27 AM
  13. Vigilant1 attached a file to the thread Briggs vanguard conversions.

    Have you any idea what these "grooves" are? The Honda GX 390 conrods I've seen pictures of (post 506 shows what a horiz engine rod...

    upload_2019-6-15_20-22-46.png Jun 16, 2019 at 1:24 AM
  14. Vigilant1 replied to the thread Briggs vanguard conversions.

    It is worth figuring out. The conrods for the horizontal shaft 627cc engines don't appear to be drilled either, though, so the oil has...

    Jun 16, 2019 at 12:55 AM
  15. Vigilant1 replied to the thread Gotchas with the Carmichael racer.

    I dunno. There are a lot of parts and intersection drag in that cabane/TE/engine fairing assembly, it's hard to believe it would be...

    Jun 15, 2019 at 9:44 PM
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