Search found 479 matches

by airduds
Wed Feb 21, 2007 2:31 pm
Forum: Automotive Power Only
Topic: 2:1 vs 2.68:1 - Beating the Horse Just a Little More
Replies: 61
Views: 7722

Okay, what I think I understand but could be wrong. Take two identical boats one with 2.38 box and one with 2.68 box. Propellers are identical except the one with 2.68 box has more pitch dialed in. The way they are set up the engines max out at 5,000 rpm so 2.38 prop turns 2100 rpm and 2.68 prop tur...
by airduds
Wed Feb 21, 2007 12:21 pm
Forum: Automotive Power Only
Topic: 2:1 vs 2.68:1 - Beating the Horse Just a Little More
Replies: 61
Views: 7722

Well, I've talked to the people at Whirlwind, Sensenich, and Waterwalker and told them my setup and what I'm after, which is not getting stuck. They all recommended their respective wide three-blades. Whirlwind and Sensenich recommended a 78" and Waterwalker recommended either an 80" or 82...
by airduds
Mon Feb 05, 2007 8:26 am
Forum: Automotive Power Only
Topic: 2:1 vs 2.68:1 - Beating the Horse Just a Little More
Replies: 61
Views: 7722

Thanks for the advice. I'm going to the 2.68 softdrive and 80" Master Blaster 2.3 three-blade.

Like I said earlier I'm after static thrust. If it's quieter too that will be an added bonus.
by airduds
Sun Feb 04, 2007 3:23 pm
Forum: Automotive Power Only
Topic: 2:1 vs 2.68:1 - Beating the Horse Just a Little More
Replies: 61
Views: 7722

2:1 vs 2.68:1 - Beating the Horse Just a Little More

I'm currently having what will be my fourth airboat built. First was a 18x8 ex-tour boat with 500 Caddy DD/six blade warp drive - a good starter but couldn't even look at dry ground without getting stuck. Second was 18x8 Alumitech with 454/425, 2:1 belt, and stacked Ivos - until I messed the props u...

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