My second prototype Phish was as efficient as a propeller!
It produced 1.47 grams of static bollard pull/watt of power, the same or slightly better than a propeller, which produced 1.44 grams of static bollard pull/watt of power.
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My first Phish produced 3 grams of static bollard pull using 15 watts of power, a ratio of 0.2 grams/watt.
My first Phish produced 3 grams of static bollard pull using 15 watts of power, a ratio of 0.2 grams/watt.
3 grams/ 15 watts =
0.2 grams/watt
My second Phish produced 25 grams of static bollard pull, using 17 watts of power, a ratio of 1.47 grams/watt.
My second Phish produced 25 grams of static bollard pull, using 17 watts of power, a ratio of 1.47 grams/watt.
25 grams/17 watts =
1.47 grams/watt
This tugboat produced 1.44 grams of static bollard pull/watt of power
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