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Working on my Boat (Updated)
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<blockquote data-quote="JMichael" data-source="post: 294038" data-attributes="member: 7544"><p>Think about it, if an engine can't draw air in on the intake stroke, what does it have to compress? Think about it like a syringe where the plunger is the piston and the syringe is the cylinder. Place your finger over the tip where the needle would normally go, now draw the plunger back. If you can draw it back any, all you're doing is creating a vacuum inside the syringe. That's the same as a piston on the intake stroke. Now shove the plunger back in (compression stroke) and see if you created any pressure that tries to blow your finger away from the tip. You have to have air in the cylinder in order to create compression. If you restrict the air flow in, you restrict the amount of compression that can be created.</p></blockquote><p></p>
[QUOTE="JMichael, post: 294038, member: 7544"] Think about it, if an engine can't draw air in on the intake stroke, what does it have to compress? Think about it like a syringe where the plunger is the piston and the syringe is the cylinder. Place your finger over the tip where the needle would normally go, now draw the plunger back. If you can draw it back any, all you're doing is creating a vacuum inside the syringe. That's the same as a piston on the intake stroke. Now shove the plunger back in (compression stroke) and see if you created any pressure that tries to blow your finger away from the tip. You have to have air in the cylinder in order to create compression. If you restrict the air flow in, you restrict the amount of compression that can be created. [/QUOTE]
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