Re: [Electric Boats] newbe question

 

Joe, I second Rob Johnson's opinion. You can make a very slick rig which integrates with your rudder. The cool think about this is you have the awesome manueverability which comes with having your thrust vectored in the direction of your rudder. The simplest, and cheapest way would be to use a trolling motor like the minnkota. I believe you can modify a minnkota to have the throttle mounted inboard and the motor unit on your rudder. If you have a transom hung rudder this would be a breeze. Otherwise you may need a haulout. Good luck, Hans --- On Mon, 3/15/10, Rob Johnson <dopeydriver@yahoo.com.au> wrote: From: Rob Johnson <dopeydriver@yahoo.com.au> Subject: Re: [Electric Boats] newbe question To: electricboats@yahoogroups.com Date: Monday, March 15, 2010, 5:41 PM   Joe , on a 21 ft boat that hasn't been auxilery powered before , I'd look at the systems that use a powered rudder. Some are "slip on" , others are built in , but I believe it would be the way to go. Once you have determined the best place for your battery pack , build a nice battery box to keep them dry , but vented , and you should be right !. Regards Rob J. From: Joe <joerman75@yahoo. com> To: electricboats@ yahoogroups. com Sent: Tue, 16 March, 2010 2:57:40 AM Subject: [Electric Boats] newbe question hey all i'm new to this electric boat thing but very intrigued.  I am working on an old venture 21 sail boat. re duing the entire thing some glass work but mostly cosmetic, new paint new wood work ect.  on of the things i had been toying around with was installing a small inboard motor since.  i figured since I'm already spending way more time and money than this boat will ever be worth i might as well have some fun and experiment.  that is what lead me to this group... my thought is that i can install a small electric motor under the cockpit floor the boat has a 1200LB displacement and shouldn't take much power to move her. I know its a challenge installing an inboard system where there has not been one, but i just don't like the look of a motor hanging off the back of a boat.  here are my questions. 1. everyone talks about reduction gears and the like... if you had a (and i don't know if my terminology is correct here) direct drive set up but placed a 2:1 ratio with the larger pulley or gear on the drive shaft it would seam like i could have the prop spinning twice as fast as the motor and achieve hull speed with out having to have the rpm's on the motor as high, therefore using less power from the battery bank?  does this make sense or is my thinking flawed... remember I'm still trying to figure out this electric thing... 2. what is the most basic system that one can install and what are the main components i will need to make this work. (other the an electric motor and batteries :)? thanks all for your time it has been most interesting reading all of the posts... Joe ------------ --------- --------- ------ Yahoo! Groups Links <*> To visit your group on the web, go to:     http://groups. yahoo.com/ group/electricbo ats/ <*> Your email settings:     Individual Email | Traditional <*> To change settings online go to:     http://groups. yahoo.com/ group/electricbo ats/join     (Yahoo! ID required) <*> To change settings via email:     electricboats- digest@yahoogrou ps.com     electricboats- fullfeatured@ yahoogroups. com <*> To unsubscribe from this group, send an email to:     electricboats- unsubscribe@ yahoogroups. com <*> Your use of Yahoo! Groups is subject to:     http://docs. yahoo.com/ info/terms/

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