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Old 04-30-2017, 09:59 AM   #41
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Old 04-30-2017, 12:25 PM   #42
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Here is a propeller with plastic adjustment strips to let you change the pitch of the prop by changing the height of the plastic strips...

VEEMStar Series | VEEM Propellers

Make sure to lockout before diving in.
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Old 05-02-2017, 05:48 AM   #43
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" I think ouboards and I/Os use Stainless because at high speed the aluminum blades bend and lose some of their curve so they become less efficient."

Perhaps, tho for a long time small 18Hp OB could purchase plastic props ,

that were claimed to loose pitch at high loads and low speeds ,

and regain the pitch as the OB came up to speed.
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