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  • Patrol prop governor

    Is anyone using a prop governor that doesn’t require modification to the firewall with rear mount on an o-360?

  • #2
    I went with a front mount governor to avoid that problem and the required hoses.

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    • #3
      The photo below is Bob Barrows Patrol. He is using a Jihostroj Gonvenor. I have one also on my engine and it needs no firewall modification but comes close to the fire wall....3/4 inch? They are made in Czech republic and common on experimental aircraft. The PCU5000 governors are the same unit. When I got mine it was available directly from Jihostroj via an online order.

      The Hartzell Governor requires firewall mod. It might be smart to put a round SS inspection hole in the firewall so it can be removed for service without removing the engine. But I dont look forward to cutting a big hole is SS.



      Screen Shot 2022-01-31 at 7.28.27 PM.png
      Brooks Cone
      Southeast Michigan
      Patrol #303, Kit build

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      • #4
        I've seen a stainless steel salad bowl from Walmart used in the firewall to provide room for a prop governor.
        -------------------
        Mark

        Maule M5-235C C-GJFK
        Bearhawk 4A #1078 (Scratch building - C-GPFG reserved)
        RV-8 C-GURV (Sold)

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        • #5
          I appreciate the input, I'll either go with the pcu5000 or use what I have and go to Walmart.

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          • #6
            If anyone is interested, I just bought a Jihostroj governor for my patrol from Whirlwind propeller. They are a distributor, and had the governor in stock. I had been looking for a while, and couldn’t find anyone that actually had them in stock, but yesterday whirlwind did. Im not affiliated with them in any way, but I know finding things in stock can be a challenge these days.

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            • noema
              noema commented
              Editing a comment
              Do you have a part number?

            • Viking
              Viking commented
              Editing a comment
              Sorry for the slow response, I just saw this somehow. The P/N for the governor I ordered is P-920-032/A. From the Jihostroj website, and what I've managed to find elsewhere on the internet, that's the one I need fo my engine

          • #7
            This is what I am ordering for a Lycoming YO-360-A1A and a Hartzell Tailblazer prop. Will let you know if it works out.
            • Jihostroj P-920-032/A
            • pressure to INCREASE
            • Takeoff RPM 2700
            • Takeoff power at 320deg (all in, low pitch)
            • CCW (to increase pitch, pull prop control)
            • 866:1 gear ratio
            Bearhawk "XHawk" Patrol, O-360, Trailblazer 80", tubeless 26" Goodyears, Stewart Systems. See XHawk Build Log.

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