How hard to install new alternator?

[westwinds]

about the generator rewire for more amps, I do not think this is possible because it takes a certain number of turns around an armature to get the voltage needed, but if you go to a larger size wire for more current, there will not be enough room for the number of turns needed. Also, there has to be enough air flow for cooling which is probably not there. You could consider alternate power sources such as solar, wind, towed generator, small gasoline AC generator with charger. Is it possible to hook an alternator to the propeller shaft?

[Ketchgould]

The generator has a spindle out the back to run the water pump.

[Wraith_Mac]

Is it like this one?
http://www.woodyboater.com/wp-conten...Marine-Eng.jpg
Cheers,
Mac

[colemj]

YEP! That's what the only one I ever saw looked like - only WAY cleaner and shinier.

Mark

[Wraith_Mac]

Here's a view of the workings.
Check out the doodad on the right of the picture.
If you haven't got one there, have you got this model?
It may be worth selling as a complete original to a restorer and buying a lighter more modern replacement engine.
One could work around a different w/pump setup and fitting an alternator but is it worth the effort and at what risk to reliability?
Adding solar panels is one quick fix, a more modern engine is a more permanent one.
Cheers,
Mac

[Cheechako]

Originally Posted by Wraith_Mac

Here's a view of the workings.
Check out the doodad on the right of the picture.
If you haven't got one there, have you got this model?
It may be worth selling as a complete original to a restorer and buying a lighter more modern replacement engine.
One could work around a different w/pump setup and fitting an alternator but is it worth the effort and at what risk to reliability?
Adding solar panels is one quick fix, a more modern engine is a more permanent one.
Cheers,
Mac

Looking at the pic, It appears that one has an alternator added on the right side of the engine and the old Gen on left... which means maybe the OP can do the same.?

[Wraith_Mac]

Originally Posted by Cheechako

Looking at the pic, It appears that one has an alternator added on the right side of the engine and the old Gen on left... which means maybe the OP can do the same.?

Cigar for the man!!

There's also this site which may be of help to the OP.
Old Marine Engine: Gray Marine Gas Engines - 4, 6, and 8 cylinder
Cheers,
Mac

[Ketchgould]

Mine is not as shiny and 25 hp with 4 cylinders. Generator water pump connection is similar. My starter is below the gen.

If you know any restorer looking for a seascout send them my way. Maybe we could swap a beta.

A local (Saint Paul) shop is going to look at the generator. He mentioned sometimes the regulator restricts output and the generator is capable of more output as is. We'll see. I like the solar suggestion and will read more about that.

Christian

[Wraith_Mac]

Originally Posted by Ketchgould

Mine is not as shiny and 25 hp with 4 cylinders. Generator water pump connection is similar. My starter is below the gen.

If you know any restorer looking for a seascout send them my way. Maybe we could swap a beta.

A local (Saint Paul) shop is going to look at the generator. He mentioned sometimes the regulator restricts output and the generator is capable of more output as is. We'll see. I like the solar suggestion and will read more about that.

Christian

Christian,
There's threads about 4 cyls on the link I posted above.
This fellow might have some info he'll share.
Gray Marine Parts
Cheers,
Mac

[Wraith_Mac]

Edit: Add pic

[Wraith_Mac]

Pic 2

[DeepFrz]

The guy that designed that generator/water pump connection probably needed an AA meeting...

[colemj]

Well, yes, that is a funny design. But keep in mind that these engines were produced in the early 1900's. The same era that produced engines that needed to be stopped and started in the other direction to achieve reverse. It WAS an efficient and compact way to add water cooling, though!

Mark