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Recent content by klyde

  1. klyde

    4-Run Method of Balancing

    What is the theory behind the 4 run no phase method? It is not intuitively obvious to draw the second circle centered on the circumference of the first. I've looked and looked and can only find the how to. I've used the method successfully but didn't know the basis for the different steps...
  2. klyde

    MS bolts

    JohnSchwaner: Thank you very much for your informative post. I will certainly look into this and will probably bite the bullet and get the MS bolts just to avoid the nagging feeling in the back of my head when I'm flying over nasty places and the "new vibrations and noises" start.
  3. klyde

    "Never spend more than 5-7 years in any job"

    SomptingGuy: No I started my professional career in 1965 and retired in 1992. Check it out 27 years. Does'nt count my pre-engineering jobs from 1957 to 1965
  4. klyde

    MS bolts

    40818: Thanks for the meaningful response. I did examine the bolted joint with your comments in mind. As it turns out the stiffness of this joint is already determined by a keying action between two of the pieces joined by the bolts. The bolts are primarily in tension only with little chance...
  5. klyde

    "Never spend more than 5-7 years in any job"

    Well I'm 71 and held 4 different jobs in 27 years. However the last one was doing Star Wars work in the Kwajalein Atoll. The scuba diving and sailing were out of sight. Working for the US Army was another story. An MIT engineer that I knew (I think he was a certified genius) said it plainly...
  6. klyde

    MS bolts

    tbuelna: Thanks for the response and the link. A quick look at AN 5-24 bolts shows single item prices at about $0.84. O.K. multipy it by 10 or even 20 and you are still less than the $20. price I got. I don't see the reason for the high prices. I have bought some 3/8 "Supertanium" bolts of...
  7. klyde

    MS bolts

    I need a small quantity of MS20074-05-24 bolts and to date have found only one source and they want $20 each. Is there a source for these bolts at a reasonable price? Thanks
  8. klyde

    Making rotor blades

    gmechanics: The Safari Kit Helicopter was initially issued with all aluminum blades. The current version utilizes composite blades weighing about 37# each. I don't remember the weight of the aluminum blades but I'm pretty sure they were lighter. The reason the manufacturer changed was that...
  9. klyde

    twisting rotorblades

    Vertical Aviation, the home of the Hummingbird helicopter and a blade repair facility for the S52 helicopter has a blade twist jig that looked relatively simple. Try www.verticalavition.com The twist is very beneficial in load lifting. Ray Prouty has told one helicopter manufacturer that an 8...
  10. klyde

    anodize versus fatigue

    DimaC1974: This is interesting data. Do you have the source? We publish the Experimental Helo Magazine and would like to list this information and cite the source. thank you Klyde
  11. klyde

    rolled threads and turnbuckle

    btrueblood. Yikes what McMaster catalog are you looking at? and what is the description? My page 3093 has quick release pins. Also recent quote from another shop was $198 each for 10.. Thanks
  12. klyde

    rolled threads and turnbuckle

    EdStainless: I got a quote for a small number of these things from one shop and the set up charge was $500. Ouch.
  13. klyde

    rolled threads and turnbuckle

    Cory: Thanks for the note on McMaster catalog. Their item is exactly what I was looking for except it is 6061-T6 and I forgot to mention that I was needing grade 5 or grade 8 steel. I've e-mailed McMaster for possible source.
  14. klyde

    rolled threads and turnbuckle

    I'm trying to determine if there is a standard stocked item that is a two ended stud with Lh and rh opposing rolled threads. preferably with a wrench useable surface in the middle. Set up charges to produce the onezy, twozies that I need are too much.
  15. klyde

    anodize versus fatigue

    Jetmaker: Thanks for the response. I found an equation describing the stress increase due to a small crack. It is scary. I'm now afraid to use a metal fork for my salad without xray or dye penetrant for cracks. The stress concentration generated by a small crack that had to be induced after...
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