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  1. Matt51

    Crower "crowerglide" slipper clutch

    600 ft-lb? Now that I like.
  2. Matt51

    Crower "crowerglide" slipper clutch

    Hi Pontiacjack, http://www.rbracing-rsr.com/clutchtech.html They have a clutch with relatively long "weight arms", so it appeared to me they were using leverage, not 1:1. They also use coil springs, which would have to be compressed before engagement occurred. At least thats how it appears in...
  3. Matt51

    Crower "crowerglide" slipper clutch

    Hi thanks for all the input, It looks like there are at least two basic types of high power centrifugal clutches. Another type is http://www.rekluse.com/STFAQs.html which uses balls and ramps. It looks like springs are used to set the engagement rpm on both designs. The Crower design gets...
  4. Matt51

    Crower "crowerglide" slipper clutch

    Does anyone understand how the Crowerglide centrifugal clutch works?
  5. Matt51

    Educated" opinions on climate change - Part 4

    "Global Warming" - now called "Climate Change" - was/is a Trojan Horse for hidden agendas. To provide tax subsidy for technologies which make no economic sense - solar. To push nuclear energy as "green" - despite nuclear being extraordinarily dangerous - Chernobyl, potential terrorist attack...
  6. Matt51

    Educated" opinions on climate change - Part 4

    VEGAN is stupid. There are no healthy Vegans in the long term. Humans evolved for a long time eating meat. Vegetarians in India eat things like dairy and eggs. This you can do. Being a Vegan is just plain ignorant.
  7. Matt51

    Educated" opinions on climate change - Part 4

    China will be emitting twice the greenhouse gases the US is by 2012, according to Wikipedia. China is planning to build coal power plants for the next twenty years. Now, I can dig out the numbers, but the amount of electricity required to build a car is enormous, including what is used to make...
  8. Matt51

    overrunning clutch

    Thanks guys, I have it sorted out now. I appreciate this forum, as people are very helpful.
  9. Matt51

    overrunning clutch

    Hi, I need a sanity check. If I have a shaft at rest connecting through the bore of a sprag clutch, which is also the output shaft. And I have a faster running shaft connected to the od of the sprag. In normal operation, the faster running shaft connects to the output shaft through the sprag...
  10. Matt51

    Extreme tooth wear

    Its a good guess the gear wear is the problem. Install a new pinion and you will know for sure.
  11. Matt51

    Totally New Method of Cutting Gears

    Patents - For a US patent, the key is the date of invention. You can publicly disclose your patent as long as you have documented the date of invention. Once you have publicly disclosed the invention, you get up to a year to file a provisional patent, which is only $100. Then by the end of...
  12. Matt51

    Epicyclic Gear with 2 row of planet gear

    To achieve load sharing in a planetary, often either, or both, the sun and ring gear are allowed to freely move radially. For example, the ring gear can be mounted on a splined connection, which is then connected to ground. In two stages of planetary gearing, if the carrier of one stage is...
  13. Matt51

    Epicyclic Gear with 2 row of planet gear

    I would assume this is a speed increaser, with carrier input, sun gear output, and fixed ring gear. If possible, use a common ring gear for all three stages, this helps alignment of the overall system. The input carriers are supported by bearings. The first carrier should be mounted on bearings...
  14. Matt51

    Totally New Method of Cutting Gears

    I am too busy at the moment, but in a week or two I will get back and purchase your system. I have always thought in home size wind turbines (3-10kW) a simple gear stage is needed but usually missing, and using wooden gears made of lignum vitae might eliminate the need for lubrication, seals...
  15. Matt51

    Totally New Method of Cutting Gears

    They look very nice! John Harrison made clock gears (1722) which to this day are still operating, even with no lubriction. The tower clock in Brocklesby Park has operated continuously for over 270 years. There are manufacturers of wooden clocks who might be interested, you can find them with a...
  16. Matt51

    Powerglide tooth count

    Does anyone have a convient reference for the tooth count in either the 1.76:1 or 1.82:1 Ravigneaux gear train in the Powerglide? Diametral pitch and helix angle? I think the 1.76:1 gears are 26-34-94 sun sun ring and 18-28 for the planets.
  17. Matt51

    Profile tolerance on a gear web

    I am dimensioning a gear web. The web is at an angle which I want to define as basic. I want to specify the large corner radius as basic, and an intersection point between the corner radius and the straight section as basic. Is this correct?
  18. Matt51

    speed difference formulation in a planetary gearset

    Is this a simple planetary? the general eqn for a simple planetary is ws = -(alpha)(wr)+[(1+alpha)wc] where alpha is R/S. The eqn for the planet speed is: wp=[(2)(alpha)wr+{(1+aplha)/(1-alpha)]wc now you can subtract the two and get wp-ws =
  19. Matt51

    How to connect two shafts

    Thanks everyone for the excellent suggestions. Yes the parts have to come apart. Two inches maximum od. 15000 lb push pull. I guess I agree Cory, sounds logical. Sleeve with pins sounds good also.
  20. Matt51

    How to connect two shafts

    I want to connect two shafts directly to each other. They are small diameter and have large axial loads, they push and pull, but no torque. I can thread them together, but the required torque preload to prevent separation is very large. I am trying to eliminate a ball joint, which has wear. I do...

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