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Maximum Distance for a combustion tater gun

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Unread postAuthor: jimmy101 » Fri Aug 10, 2007 10:02 am

Hailfire753 wrote:Use google earth. Go to the tools menu, and click the measureing tool. works for me. Pretty accurate too.

That really doesn't help much. All Google Earth lets you do is measure the distance between fixed points. Pacing it off is just as easy and probably just as accurate.

The tricky part of measuring range isn't finding the distance, it is finding/seeing where the projectile hit the ground.

Another way to get the range ...

Set markers out at measure distances, perhaps every 50'. The markers need to be big enough for the spotters to see, perhaps flags or, if the ground cover is short enough, bricks.

As with the water method, set spotters out laterally 100 or so feet from the gunner, the exact distance is not critical and does not need to be measured.

The spotters job is to mark where the round hit relative to the markers, i.e., "1/3 of the way from marker 5 to marker 6".

To make any kind of range measurement worth the trouble you need to have a way to measure the launch angle.
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Unread postAuthor: spud yeti » Fri Aug 10, 2007 10:16 am

I think the easiest would be to shoot in a sandy area, because then you can see all the impact marks (ie. the closest is the landing point). I am planning on doing this when I go on holiday to Jeffries Bay, where there are no people on the beach ever. Otherwise you could paint the tip of the projectile and look for the paint sploch :wink:
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really good quote/phrase here
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