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Author Topic:   SS PROP?

NewportMe posted 06-30-2003 12:17 PM ET (US)
I have a newport 17' with a '79 100 hp johnson at wot I am turning 5200 rpm. I have no reliable speed numbers but a guess is 40 mph. I would like to get to plane a little quicker without harming top end too much is this possible? Thanks in advance.
Bruce
NewportMe posted 06-30-2003 12:23 PM ET (US)
Sorry the prop that on now has HHM1444 stamped on it and the operating range of the motor is 4500-5500 rpm the av plate is about 1.25" above the keel
Bigshot posted 06-30-2003 01:23 PM ET (US)
you are close so I would leave it alone. You are probably swinging a 17" prop. Have it made into a 16" would be your cheapest route because a 15" would be too small.

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Author	Topic: SS PROP?
NewportMe	posted 06-30-2003 12:17 PM ET (US) I have a newport 17' with a '79 100 hp johnson at wot I am turning 5200 rpm. I have no reliable speed numbers but a guess is 40 mph. I would like to get to plane a little quicker without harming top end too much is this possible? Thanks in advance. Bruce
NewportMe	posted 06-30-2003 12:23 PM ET (US) Sorry the prop that on now has HHM1444 stamped on it and the operating range of the motor is 4500-5500 rpm the av plate is about 1.25" above the keel
Bigshot	posted 06-30-2003 01:23 PM ET (US) you are close so I would leave it alone. You are probably swinging a 17" prop. Have it made into a 16" would be your cheapest route because a 15" would be too small.