Dave Gerr - Boat Mechanical Systems Handbook-How to Design, Install, and Recognize Proper Systems in Boats
Always deduct 2% for internal framing, baffles, and small air pockets: 148 L ×0.02 =2.96 L 148 L −2.96 =145.04 L This is a 145-l ...
tank). Such large tanks may also be further restrained with netting wrapped over the en- tire tank and fastened to the hull. As ...
the momentum of the sloshing liquid reduce stability due to “free-surface effect.” The nar- rower a tank is in proportion to the ...
the free-surface effect. Separate and dis- tinct from the free-surface effect is the effect of the total weight (mass) of the fl ...
Formula 6-5b. Moment of Inertia of a Rectangular Plane Area (Metric) I =bh^3 ÷12 Where (for evaluating tank free surface) b =the ...
Part Three EXHAUST SYSTEMS CHAPTER 7 Imagine being able to breathe in, but not being able to breathe out. How long do you think ...
Breathing Easy Principally, the engine needs to be able to breathe freely. If the exhaust line is too small in diameter, has too ...
There’s nothing better than a large diameter and the fewest possible large- radius bends in an exhaust run to keep back pressure ...
or LPM=L× rpm ÷ 285 Where GPM=flow in gallons per minute LPM=flow in liters per minute cu. in. =engine displacement in cubic inc ...
and outer pipe. The inner pipe carries the dry exhaust gas from the manifold. The outer pipe (the water jacket) is filled with e ...
casting with the exhaust running inside chan- nels that are surrounded by cooling water. Because the channels are usually of cas ...
bare lickety-split, 1,200°F (648°C) exhaust gases will momentarily be sprayed onto the hose and FRP tube. For this reason, I bel ...
hull working—however slight—will be sure to open a seam somewhere. Exhaust hose is, again, the perfect solution, except where an ...
Keep It Down! As we’ve seen, simple wet exhaust systems decrease engine exhaust noise considerately even without a muffler. Clea ...
take a careful look at the diameter of the exhaust system. A switch from gas to diesel may up the diameter by a size or more (as ...
Doing It Right As good as waterlift mufflers are, however, you can’t simply jam one willy-nilly into the bilge, run some hose to ...
the waterline, or had the bottom edge of the ex- haust pipe even an inch (25 mm) or so below, without a problem. You certainly c ...
heavily insulated (lagged, see Chapter 9) and firmly fastened—which will raise the exhaust at least 18 inches (457 mm) above the ...
all the plumbing can be of exhaust hose. Light as the muffler and hose components seem, they’ll weigh more when filled with wate ...
total length from the lift outlet to the through- hull. If the run must be longer, you should make the hose diameter larger. For ...
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