Posted by Busflyer on June 04, 2013 at 19:02:27 from (64.253.209.210):
In Reply to: F-35B goes VTOL posted by smallercrawler on June 03, 2013 at 15:51:00:
McDonnell Douglas used to build Harriers in St. Louis. Used to watch them doing "push ups" on the test pad all the time.
That said, there is a lot of difference between a 30 year old Harrier design and current technology. Huge advances in electronics and avionics and new engine technology just to name a few. Yes it's expensive but after a certain amount of time you have to upgrade and replace things.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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