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Hours?
Brian, How many hours are on these tires?
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I think this is a matter of personal tolerance. Each of us will choose differently. If it bugs you, put new donuts on it and watch for a better time (in your own mind) to flip them. |
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It seems to me that if you flip your tires and install new tubes (as recommended), the increased savings will be at least partially offset by the cost of your parts, materials and labor.
I don't know that I'll flip my tires (Flight Custom III). I may just leave them on until they have been used up, then buy new. They aren't that expensive... ~Marc |
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My project at Test Pilot School was to modify a T-38 with a larger speed brake and use it to decrease the L/D to simulate the X-24B lifting body approach ( about a 24 degree glide slope). When I briefed the Flight Safety Board one of their requirements was to use old tires instead of new. The thought was that old tires had been heat cycled many times and new tires had too much tread for the high speeds we were touching down, increasing the chance of tread separation due to centrifical force. We crossed the threshold at 230-250 knots as I recall. After the last approach when at Bingo fuel the closed pattern and normal 3 degree approach seemed way too low:D |
If you are doing circuits go to a grass strip, stay off the seal as much as possible, rotate the tires and there will be plenty of life in them yet
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When 1 remains? Wouldn't that assume consistent wear pattern?
At the bottom of groove there will only be 3/16" between me and running off the side of the runway- if lucky. Think I'll pull them when tread disappears. I would have thought the carcass to be a bit more substantial. Thanks for the visual, Dan. |
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Same category as primer, really ;) |
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