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  1. QCboss

    S61 single engine operation overtorquing

    Radomir: I've worked on S-61 helicopters for many many years. The torquemeters are located at the transmission inputs for boh th #1 and #2 engines. Firstly, they're not addressing overtorquing a "shaft" in particular, but rather the combination of gears, teeth, etc that make up the...
  2. QCboss

    2/rev vibrations

    Klyde...I promise not to make a career out of your 2 per. BUT OHHHHhhhhhh...that's a Safari! Reminds me of ye olde 47G2/G4A. After this, I quit I promise. Fuel tanks are kinda sorta mounted on the TAILBOOM which a blade passes over twice per revolution. Move a vertical accelerometer back...
  3. QCboss

    2/rev vibrations

    While I'm at it lemme ask you what may be a "ridiculous" question. I've never even seen a Safari BUT is it possible that your fuel tank is loose? Ask a few older Astar jocks and they may remember that the fuel tank used to possibly be able to slide forward, jamb the flight controls...
  4. QCboss

    2/rev vibrations

    Klyde, I have no idea how you go about checking the track on your Safari (Strobe or what?) but remember that just because a helicopter is in track on the ground and or in a hover, doesn't mean that it stays in track in forward flight. Of course an out of track condition will ALWAYS present an...
  5. QCboss

    2/rev vibrations

    Klyde, Knowing the type of aircraft and rotor head would most certainly be helpful. The information you give is not enough to make a diagnosis BUT...go back to the basics. At hover there is no dissymetry of lift. Once you start moving forward, the advancing blade's speed exceeds the retreating...

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