Search:

Type: Posts; User: bigbob

Search: Search took 0.00 seconds.

  1. Replies
    9
    Views
    22,631

    Thanks, compression ratio is probably the answer,...

    Thanks, compression ratio is probably the answer, assuming well made such as on a lathe and good seal. Why this ratio?
    Bob
  2. Replies
    9
    Views
    22,631

    Fire Piston Optimal Size, Material and Seal

    I have seen several videos about making fire pistons using plastic, wood turned or carved by hand, aluminum etc. The sizes vary a lot.
    What is the optimum size for a primitive backpacker for a fire...
Results 1 to 2 of 2