Test prop 100

#2 The prop hub end of the stock VW crankshaft has a rather large threaded hole bored down the middle of it to retain a bolt for a pulley on the VW engine in the automotive configuration. This hole
goes fairly deep into the crankshaft ….on the outside of the crankshaft (same end) is a keyway groove cut into the OD of the crankshaft …..there is an area of this end of the crankshaft where the threaded hole down the center and the keyway groove almost meet, There is approx 1/8th
of an inch of crankshaft metal between the keyway groove and the threaded hole. The prop hub is slipped right over crankshaft but
does NOT cover this weakened area,
it basically stops right even with this weakened area of the crankshaft. The area I am talking about is just in front of the crankshaft oil slinger disc ….when you install the prop hub you press it right up against the oil slinger disc …..a nice
clean place to break is provided, and that is where they break,
approx. 1/8th of an inch in front of the oil slinger. The crankshaft is almost designed to break here, but this is by accident, NOT intentional, it’s just an automotive part not designed to carry this kind of load. The good
thing is that the metal the crankshaft is made from is very rugged …and you have to create
a situation for it to crack …
and we do just that …read on.

He says he has calmed down, however. “It’s just from having a number of years playing at the top level. It is a technical sport but you also just need experience. We’re lucky in the front row where you can keep getting better the older you get. “Sometimes my focus has been lacking because it’s very easy to get carried away with the emotion of the game, especially at Test level where you’re playing in front of enormous crowds and playing the anthem at the start. It’s very easy to lose focus and not do the right thing at the right time. Over the years I’ve learned to stop getting carried away so much and just make sure I’m switched on at the right times.”

The most common application of turboprop engines in civilian aviation is in small commuter aircraft , where their greater power and reliability offsets their higher initial cost and fuel consumption. Turboprop-powered aircraft have become popular for bush airplanes such as the Cessna Caravan and Quest Kodiak as jet fuel is easier to obtain in remote areas than avgas . [ citation needed ] Due to the high price of turboprop engines, they are mostly used where high-performance short-takeoff and landing ( STOL ) capability and efficiency at modest flight speeds are required.

Test prop 100

test prop 100

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