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  • caruncles commented on SpecificLove's instructable Survival Whistle from a Soup Can1 month ago
    Survival Whistle from a Soup Can

    the bottle cap needs no modifications. Hold the the thumbs together. Place them over the cap leaving a little V above the knuckles. Put your lips on the knuckles and blow. You can master it in less than 5 minutes. As said, keeping a bottle cap in your pocket is about as easy as it gets. This also works with half a hickory nut shell. This whistle is very loud. All that being said, I'm going to try the can thing just to say I did.

    If you can't make the whistle, beat on the can like a drum. Use the shiny parts for a reflector (if the sun is shining).

    Yep, white oaks are a good size. Hickory nuts work too.

    depends on at what age you consider a "kid" and what you've taught them. I was carrying a pocket knife when I was 7 years old. I was taught how and when to use it.

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  • Start Your Car With a Rope (Dead Battery Life Hack)

    I'm really surprised anyone could do this. I was a shade tree mechanic in my teens and 20's and had several manual trans cars and had a lot of experience pushing (with people and with another vehicle). It's very hard to turn that engine over, much less with the transmission connected to it. Having said that, with the little bitty engines in some little bitty cars nowadays, It must be possible. I'd bet it can't be done on 6 or 8 cylinder engine.

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  • caruncles commented on dcshoeco33's instructable simple electronic ignitor7 months ago
    simple electronic ignitor

    I've been interested in making something like this, but would need to make a spark to set off a black powder charge. However, I think it would need some type of step-up transformer like an engine coil (DC). This application would be for large, too-far-to-run, explosives that require a wire directly to the blasting cap/charge. Your "ible" is cool, but I wouldn't want to haul all that around just to light firecrackers or mortars. A 3-pack of Bic lighters from the convenience store for $1.50 seems much more convenient. Still, keep up the good work!

    in serial. Pos-neg-pos-neg-pos-neg. probably need to solder them. This is how your cordless, rechargeable, power tools work. The batteries in them are usually "sub-C" batteries wired in series.

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