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dunc
dunc
RAF/Sparrowhawk/SC 2.5 FI
Last Activity: Today, 06:51 AM
Joined: 08-01-2016
Location: Crawford, CO
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  • dunc
    replied to Trailer Loading Geometry
    A novel idea! The "Level the trailer deck" is indeed a problem - perhaps another winch? The ramps would need to be 10 ft long. Do you have ability to accurately graph or calculate my earlier solution with the two ten foot ramps, and one five foot nose wheel ramp, while leaving the trailer...
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  • dunc
    replied to Trailer Loading Geometry
    I did some more looking and found where this guy went on to add a rotor rack for removal and storage while towing.
    https://www.youtube.com/watch?v=udPaHC44fXI
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  • dunc
    replied to Trailer Loading Geometry
    Uncle Willie - I REALLY liked the video on the fast loading SC trailer setup. Do you know if the owner/operator is still around? Contact info? The setup looks almost perfect for me - assuming I would choose to tow with rotor attached - although I am not sure about my SC rotor length overhang interfering...
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  • dunc
    replied to Trailer Loading Geometry
    I like this, Bobby. I think I have some scrap around to give this a try. Is this image done to scale, e.g. AutoCAD?

    I had tried something similar with some shorter aluminum ramps I had around. The tailwheel still hit forcibly. It also proved that the ramp ends need to be secured to the...
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  • dunc
    replied to Trailer Loading Geometry
    Tilt from the hitch sounds interesting. Was it then hydraulically lifted back to level? Great idea for cars, etc. If only I had room on the trailer for carrying a high curb!

    My paper doll engineering exercise, using graph paper, showed that using two ten foot long main wheel ramps, plus...
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  • dunc
    replied to Trailer Loading Geometry
    Bobby - the bed does indeed hit the ground when fully tilted, but not sure how that helps? That's why I sketched the non-tilted configuration. i.e. if the nose wheel is placed on the bed while at ground level, the mains are also at ground level, and there is no main wheel "ramp" to connect...
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  • dunc
    replied to Trailer Loading Geometry
    Vance - Rereading Bobby's reply shows that you better understood it that I did. However I still don't see how it would work. While the two ramps raise main gear, what does one do with the nose gear? Let it stay on the ground until just before the trailer's edge then (manually?) lift it onto the trailer?...
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  • dunc
    replied to Trailer Loading Geometry
    Since the main gear are five feet behind the nose wheel, does this mean like an eight ft (or longer) main gear ramps combined with a three ft nose wheel ramp? It would still seem that for each foot moving in towards the trailer, the nose wheel will rise faster than the main gear due to higher ramp...
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  • dunc
    started a topic Trailer Loading Geometry

    Trailer Loading Geometry

    My RAF purchase included a 12 ft tilt bed trailer which has now been used a couple times. Each gyro loading time is a real problem due to its four wheel geometry (nose, mains and t/w). As soon as the front wheel is raised, the tail wheel is grounded and all the weight shifts there. Generally one of...
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  • dunc
    started a topic Subaru FI 2.5/2.2 vapor lock?

    Subaru FI 2.5/2.2 vapor lock?

    During taxi on a 90 degree day, my newly returned to service (and new to me) engine suddenly shut down, and was difficult to restart. it would run for a few seconds, then shut down. "Typical vapor lock" symptoms says I as raised in Phoenix and am accustomed to this when flying other FI fixed...
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  • dunc
    started a topic Non-gyro pictures

    Non-gyro pictures

    Non-gyro pictures
    My "Wanda the Wonder Wagon" in airport-hopping configuration Piloting the CAF TBM Avenger
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