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Recent content by LuckyDuc

  1. LuckyDuc

    Flight Control Cable Spacing

    Forgot to mention that 23.689 & 43.13 do not specifically mention spacing minimums.
  2. LuckyDuc

    Flight Control Cable Spacing

    Does anyone know any guidelines or regs regarding minimum distance required between control cables? My project is to modify a biz jet to accept a big camera unit. Flight control cables are in the way and need to be rerouted. The most efficient method requires bringing cables that are normally...
  3. LuckyDuc

    Blackbird Land Yacht "DDWFTTW"

    "This topic has been discussed a couple times before. http:..." Had they used the term 'blackbird' I would have found it! lol
  4. LuckyDuc

    Blackbird Land Yacht "DDWFTTW"

    EUREKA! The prop is geared so that it is spinning very fast in this "still" air. Then off you go until thrust = drag. ...right?
  5. LuckyDuc

    Blackbird Land Yacht "DDWFTTW"

    Thanks for joining in, folks! This is how I've been looking at it Going upwind is a no brainer. The wind is the source, earth is the sink. The propeller takes energy out of the wind, transfers it to the wheels and away you go. Want to go faster? Get a bigger prop (or more of them) to...
  6. LuckyDuc

    Blackbird Land Yacht "DDWFTTW"

    Did anyone follow this back in 2010? Somehow I missed it until I read where the craft was for sale: http://autos.yahoo.com/blogs/motoramic/wind-powered-blackbird-sale-rewriting-physics-134230233.html Wikipedia page is here: http://en.wikipedia.org/wiki/Blackbird_(land_yacht) There was a great...
  7. LuckyDuc

    Heli-Coil Is either side ok?

    This application is for new design, aircraft. We are using the coil for its self locking feature. You can't tap a self locking thread and we do not have room for a nut. I finally got in touch with the folks at Heli-Coil and they said that this application is perfectly acceptable. Thanks! L
  8. LuckyDuc

    Heli-Coil Is either side ok?

    Thanks guys, that is exactly what I propose.
  9. LuckyDuc

    Heli-Coil Is either side ok?

    I know Heli-Coil inserts are usually installed flush with the mating surface. For strength considerations, I want to keep as much unthreaded bolt shank as I can through the joint. Is it acceptable to install the Heli-Coil on the far side of the joint, basically like a nut? I do not see anything...
  10. LuckyDuc

    Shanking fasteners

    What does this term mean? as in "Shanking of fasteners is not allowed." Thanks

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