Model Boat Mayhem

The Shipyard ( Dry Dock ): Builds & Questions => Pleasure boats, Sports, Race, Power and Leisure Boats: => Topic started by: Leaky Bottom on October 19, 2014, 07:06:09 pm

Title: Prop rotation
Post by: Leaky Bottom on October 19, 2014, 07:06:09 pm
Hello
 
I'm going to be building a twin screw motor cruiser with contra rotating props, does it matter weather the props rotate inwards or outwards?
 
 O0
 
 
Title: Re: Prop rotation
Post by: hmsantrim on October 19, 2014, 08:09:01 pm
 Hi.
 I you are using handed props the curved edge should rotate towards the rudder.
 
 frank.
Title: Re: Prop rotation
Post by: Leaky Bottom on October 19, 2014, 09:05:55 pm
Hello
 
I should of said it will have twin rudders aswell.
Title: Re: Prop rotation
Post by: nick_75au on October 19, 2014, 09:35:54 pm
Props rotating so the top is heading outboard ok2
Title: Re: Prop rotation
Post by: gra2 on October 20, 2014, 09:01:14 am
Hi,
I have found that model performs better on twin screw and twin rudders if props swing out board.

Gra2