Dave Gerr - Boat Mechanical Systems Handbook-How to Design, Install, and Recognize Proper Systems in Boats

You can use any combination of the pre- ceding intermediate bearings as required or convenient to reduce the bearing spacing to ...

Muff Couplings and Intermediate and Tail Shafts On large boats, dividing the propeller shaft into two sections can ease installa ...

the propeller hub and the shaft taper. In in- terference fit, the hub is machined to be slightly smaller in diameter than the ta ...

Propeller Struts You may spend hours selecting props and engines. You will carefully consider shafts and bearings, as you will e ...

Chapter 2:Struts, Propeller Apertures, and Shaft Angle Figure 2-1. I-strut dimensions Figure 2-2. V-strut dimensions ...

PART ONE:DRIVETRAIN INSTALLATIONS Figure 2-3. Standard strut sections Formula 2-3a. Formula 2-3b. Where A =kW× drop, mm ÷ 18.95 ...

Formula 2-3c. For the Flat Half-Oval Section with Rounded Ends Z =0.080× L× T^2 Where Z =the required section modulus from Formu ...

would use only 316L stainless for struts, and then only if I had no other choice. Any other stainless is far too likely to suffe ...

V-struts, the backing block should span the width between its twin bases. The backing plate should have a footprint that is abou ...

PART ONE:DRIVETRAIN INSTALLATIONS Figure 2-5. Metal hull strut construction: struts to girders Figure 2-6. Metal hull strut cons ...

This rules out the following angles between legs: 3-bladed prop—120 degrees 4-bladed prop—90 degrees 5-bladed prop—72 degrees 6- ...

F igure 2-8 . Alter ing a keel to improve lobsterboat performance ...

deadwood (ahead of the prop) doesn’t even have its edges rounded off. At 12, 13, or 14 knots, or so, you can get by with such a ...

universal joints to get the engine more level than the shaft. Having said all this, I recall how I once in- herited the design p ...

the force being off to that side will tend to push the bow to starboard going ahead and the stern to starboard going astern. Thu ...

engines. The goal is to allow higher engines to fit lower in the bilge of the V of the hull body while maintaining normal separa ...

This can be helpful on double-enders because the stern is pinched and the propellers and rudders may not fit properly too far ap ...

Selecting Inboard Transmission Geometry Selecting the proper reduction ratio for a par- ticular combination of boat, engine, and ...

space savers in some boats and can make it possible to fit more accommodations in the boat. The drawback to all V drives is that ...

surprising how often I’ve learned of boats that had humplike protrusions molded into their bottoms as an afterthought to fit the ...