Sword for a sword!! Pretty sharp one too!! @checkn_bottom @waterloo_rod_company_ @finsfishing @reelsportswear @matagordaoutfitters @13fishing @suzukioutboards @simradyachting @simradnation @fishmonkeygloves @fishseaguar #fish #fisherman #fishing #swordlife #swordfishing | Reel Rush Charters

If you've ever seen a plane like the Harvard getting started up, you may have seen a pilot or ground crew member rotating the propeller by hand. What's that all about? There are a few reasons to do this, but the main one has to do with the cylinders in the engine. On a radial engine like the Harvard, you have a number of cylinders each with a piston and piston ring (like a rubber gasket). Sometimes, oil can seep from other parts of the engine past the piston ring and start to fill the cylinder.

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