Search:

Type: Posts; User: James J. Judge 42935

Page 1 of 3 1 2 3

Search: Search took 0.02 seconds.

  1. Replies
    138
    Views
    316,613

    Poll: John - several latest posts have disappeared -...

    John - several latest posts have disappeared - can you restore them? Jim
  2. Replies
    138
    Views
    316,613

    Poll: John - several latest posts have disappeared -...

    John - several latest posts have disappeared - can you restore them? Jim
  3. Replies
    138
    Views
    316,613

    Poll: Hi Ed - :-) Yep, still alive. Hope you and...

    Hi Ed -
    :-) Yep, still alive. Hope you and yours have stayed well. Have thought of you frequently but wanted to have something more productive to tell. And yeah, the view count is mind bending,...
  4. Replies
    138
    Views
    316,613

    Poll: Ed - The "lifter" rod travels through the center...

    Ed -
    The "lifter" rod travels through the center shaft and pushes the pressure plate to disengage the clutch. Since I'm blocked by the crankshaft pulley and the engine, I'll have to pull the...
  5. Replies
    138
    Views
    316,613

    Poll: Ed - Haven't decided on cable or lever...

    Ed -
    Haven't decided on cable or lever operation, but not hydraulic. Leaning toward lever since space is tight and that will hold the gears where I want them without springs etc.

    There are no...
  6. Replies
    138
    Views
    316,613

    Poll: Ed - Short update - Have the clutch mounted on...

    Ed - Short update - Have the clutch mounted on the engine, BUT - in the process realized that a motorcycle clutch won’t operate the way I was thinking, that is, running disengaged and only engaging...
  7. Replies
    138
    Views
    316,613

    Poll: John, you’re very kind, and something like that...

    John, you’re very kind, and something like that is well beyond my imagining, and you can tell I have a pretty wild imagination. I’m just doin’ what I love, havin’ fun, and tryin’ to keep from going...
  8. Replies
    138
    Views
    316,613

    Poll: Ed - Lot to learn is right. In planning the...

    Ed -
    Lot to learn is right. In planning the direct drive system, and finding the parts for it, realized I had found parts that would make the hydraulics work too, which would definitely be...
  9. Replies
    138
    Views
    316,613

    Poll: Ed - Have ordered a used clutch disc and basket...

    Ed - Have ordered a used clutch disc and basket package on ebay, from honda shadow 1100cc rated at 69 hp with 11000 miles on it. With 2:1 ratio at the TQ it should handle the torque. For the prop...
  10. Replies
    138
    Views
    316,613

    Poll: Ed - Yes, maybe about 99.99% of gyros have a...

    Ed -
    Yes, maybe about 99.99% of gyros have a fixed blade pitch between 1 and 5 degrees. Adjustable blade pitch is extremely rare. Total rotor disc pitch (many call it angle of attack just to...
  11. Replies
    138
    Views
    316,613

    Poll: Ed - Rotor RPM will vary depending the blades...

    Ed -
    Rotor RPM will vary depending the blades and plane weight, but a round number for average rpm at flying speed is 300 rpm. In the Air Command video --...
  12. Replies
    138
    Views
    316,613

    Poll: Kevin - you may see photos on pp 3 and 5 for...

    Kevin - you may see photos on pp 3 and 5 for progress.

    Ed - Have considered overheating of torque converter but not in depth. Just top of the head thoughts that experience with what I’ve got and...
  13. Replies
    138
    Views
    316,613

    Poll: Ed - Yea, noticed that too. Here’s a 40 hp right...

    Ed -
    Yea, noticed that too. Here’s a 40 hp right angle gearbox on ebay (Chinese of course, but maybe good enough for testing) It has 1"shafts and max input of 1800 rpm, and probably weighs 18 or 20...
  14. Replies
    138
    Views
    316,613

    Poll: Ed - To keep you up-to-date -- did some final...

    Ed -
    To keep you up-to-date -- did some final figuring for the hydraulics cuz that would definitely be easier - no such luck. Inertia for 180 lbs at 317 plus pdf maintenance at 233 = 550 ft lb...
  15. Replies
    138
    Views
    316,613

    Poll: ED - Can't seem to find the references I want,...

    ED -
    Can't seem to find the references I want, but it crosses my mind that if he maintained power to the blades, he wouldn't have needed as high a pre-rotation rpm to do the jump, which means less...
  16. Replies
    138
    Views
    316,613

    Poll: Ed - Great work - not good news but great work...

    Ed -
    Great work - not good news but great work getting there. Looks like this work just too much for this pump. I do have another pump, a model CB2A-F21 - 1.2855 displacement - 21 GPM - but...
  17. Replies
    138
    Views
    316,613

    Poll: Ed - required info - gear ratio at rotor head...

    Ed - required info -

    gear ratio at rotor head = 5.26:1

    hydraulic motor spec or brand and model number = Model # CB2A F11 Mfg by DHL Fluid Power and sold by Norton Tool ---- Displacement 0.701...
  18. Replies
    138
    Views
    316,613

    Poll: Ed - Since Polish pdf showing 15 kw at 450 rpm...

    Ed -
    Since Polish pdf showing 15 kw at 450 rpm for power consumed during operation is the only solid and scientific number we have - and my computation for inertia doesn’t make sense to me - it has...
  19. Replies
    138
    Views
    316,613

    Poll: John - how about that - never knew it existed...

    John -
    how about that - never knew it existed and would never consider myself worthy of an engineering award, and Ed is the one making that kind of stuff happen, not me, but then again have never...
  20. Replies
    138
    Views
    316,613

    Poll: The relationship between angular velocity and rpm...

    The relationship between angular velocity and rpm (speed) is that although there are differences between the two, the results are the same. Note that RPM is fairly easily understood as a measurement...
  21. Replies
    138
    Views
    316,613

    Poll: Ed - Teaching gotta be tough with a student like...

    Ed -
    Teaching gotta be tough with a student like me :-)
    More burning rubber - trying to figure if there isn’t some way to use what we already have to get to a useful power required number. Went...
  22. Replies
    138
    Views
    316,613

    Poll: Ed - Wellllll - maybe frustrating a little, but...

    Ed -
    Wellllll - maybe frustrating a little, but mostly interesting and a challenge, always something new because there's so much about this I've never seen, so mostly fun. No pressure, except that...
  23. Replies
    138
    Views
    316,613

    Poll: Ed - Very interesting youtube. Cog belts. And...

    Ed -
    Very interesting youtube. Cog belts. And when I look at the pump and motor it reminds me of those electric clutches they use on automotive air conditioner pumps. A very nice, neat production....
  24. Replies
    138
    Views
    316,613

    Poll: ED - Real numbers, yes. Problem is without a...

    ED -
    Real numbers, yes. Problem is without a working system there’s no way to get the data for you to create real numbers Is it worth the trouble to rebuild the system to create them? Would have...
  25. Replies
    138
    Views
    316,613

    Poll: Ed - Another attachment pending approval. I’m...

    Ed -
    Another attachment pending approval.

    I’m approaching overload. Yes, in post 69 you even calculated power required for my rotor, at 43 hp and 500 ft lb, which is speed maintenance power. ...
Results 1 to 25 of 71
Page 1 of 3 1 2 3