To save weight, if an alu prop weight 30 lb. a birch will be 7 lb., mahogany
5.5 lb.

for efficiency, use the aluminium!

Jan Carlsson
www.jcpropellerdesign.com


use a wood or composite prop not aluminum

I went to your site. Why not aluminum?


for the rest of the body, use meat, fat, egg, fish, vegetable, fruit.
stay out of rice, potatoes, pasta, bread (Atkinson method)


Good Friday ....McDonald's $1.00 fish sandwich ...w/cheese


Montblack - raised Catholic