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Thread: tools, jigs, fixtures, and other neat stuff

  1. #761
    jimboflying's Avatar
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    The center section is longer than the side plates to enable clamping the workpiece in the vise and to hold the whole device in the vise.
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  2. #762
    algonquin's Avatar
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    I’ve been changing the cylinders on a O-320 ,parallel valves. Wondering what other guys use to compress the springs and installing the rocker arm s and shaft. Mine is a bit clumsy, but works , just like something nicer.

  3. #763

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    Just bleed the lifters down (you’re checking dry lash anyway after changing cylinders, right?), and you don’t need to compress the valve springs to install rockers... that being said, I’d be interested in people’s valve spring compressors, have seen various versions and made one or two...
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  4. #764
    algonquin's Avatar
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    More than one way to skin most cats,lol. One other way is check the dry lash , then remove the push rod( cover not installed yet) , oil the lifter assembly, install the push rod cover then push rod and then install the rocker arms and shaft. The valve spring need to be depressed slightly to smoothly install the oiled shaft. Kinda repeats some steps but when you crank the engine for the first time things are oiled and ready to rock(pun). I enjoy making little tools for jobs like this, Mike at MCS has to have a few. This isn’t meant as a jab, again different methods.
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  5. #765

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    Just spin the prop by hand for a few seconds and build oil pressure after installing the rockers- you’ll be able to feel/see when the lash is taken up- sounds like your method works too; lots more than one right way to do most things...

  6. #766
    hotrod180's Avatar
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    Not home-made tooling, but old school & vintage :
    Cam Tool Inc bead breaker for removing tires.

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    Easy to improvise something similar based on how this works.
    Cessna Skywagon-- accept no substitute!
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  7. #767

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    I just love this little digital level, it works great for checking travel on ailerons, flaps and elevators, $29 on amazon and fits in my tool box easy. Tim
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  8. #768
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    I purchased a similar digital level, but in a more "elongated" (6") form that would allow me to attach it to the prop with a couple of elastic bands so I can set the pitch on my ground-adjustable prop, without needing a third hand, or performing unnatural acts. Added bonus that it comes with a pair of "bubble levels" built in so you can check the calibration easily in both the horizontal and vertical axes.
    Jim Parker
    2007 Rans S-6ES
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  9. #769
    algonquin's Avatar
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    Same for me, works great on my Wirlwind prop.

  10. #770
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    I had a used spinner backing plate that was already drilled for nutplates, (though they had been removed and used on some other project) and when I went to install the spinner dome (no holes in it) I was faced with having to hit those existing nutplate holes dead nuts, but without being able to simply back drill as stuff was in the way. I tried re indexing the already drilled back plate on the hub dowels, but that didn't work,So I made this tool, which operates on the same principle as a strap hole duplicator. The thick nylon piece went underneath on the inside of the backing plate, and was moved around until the AN-3 clevis pin clicked into the 3/16" nutplate hole, then the aluminum top part, which had a corresponding 3/16" hole (both drilled on the drill press,only after the "tool" was assembled to insure automatic lining up) served as a guide to let me drill partially through the spinner, then the tool was removed and the drilling was completed. All this while the dome was precisely located (don't want another wobbler) and while clamped to the back plate with edge clamps. Everything fit up perfect, no wallowed out holes at all.
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  11. #771

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    Remember, These are the Good old Days!
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  12. #772
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    Neat stuff on this thread ! I'm not a tool guy but made this some time ago with a saw,screwdriver and a couple dozen screws.
    Fits in my A model and gives 75" of sleeping room.
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    ........also works as a camping table when removed.
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    "Sometimes a Cigar is just a Cigar"

  13. #773
    courierguy's Avatar
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    Is that 3 legs I see, or is the 4 th hidden? If 3, a nice bit of weight saving/design work, (bet it doesn't wobble) if 4 never mind, good concept either way. I had a sleeping deck (72", flat and level) in my first RANS S-7, and it's ply deck was handy for evening out rough ground. It's the minor details that make camping out tolerable.

  14. #774

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    Just got these for removing roll pins. Work awesome!
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  15. #775
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    Quote Originally Posted by astjp2 View Post
    Just got these for removing roll pins. Work awesome!
    https://www.ebay.com/itm/Spring-Tool....m46890.l49292
    "Optimism is going after Moby Dick in a rowboat and taking the tartar sauce with you!"
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  16. #776

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    Amazon was 27 overnight delivery

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