Starters 10 Coffman Starter

  Рет қаралды 30,892

World of Warbirds

Жыл бұрын

Starting aircraft engines with shotgun shells? What the??? #short #shortvideo #aviation #flying #history #engines patreon.com/WorldofWarbirds

Пікірлер: 22
@Knuckledragnation
@Knuckledragnation Жыл бұрын
I believe it’s to check for Hydrolock on radial engines. If it stops turning manually then I believe the Spark Plugs must be taken out from the bottom or lower cylinders so oil can be drained off. I was told this story early on in my naval aviation career by an old Navy Chief. He was an encyclopedia of military aviation history. Especially Naval aviation history. Thanks for sharing! ✌🏽🇺🇸🙏
@jackspringer9283
@jackspringer9283 9 ай бұрын
Think I've heard hydrolock but also pre oiling bearings to prevent startup wear and tear
@jjbailey01
@jjbailey01 9 ай бұрын
It serves several functions simultaneously. Checking for hydrolock is one. Distribution of lubrication and clocking the engine to an optimal position for starting are others.
@MichaelRoy-hc3lz
@MichaelRoy-hc3lz 4 ай бұрын
I've alway known that they'd spin the props before starting for oil distribution (dad was a Navy mechanic 44-45) but l just recently discovered the Kaufman starter
@jimerjam6689
@jimerjam6689 Жыл бұрын
One of the tractors it was used on is a marshal field master
@Shawn_the_Protogen
@Shawn_the_Protogen 2 ай бұрын
Coffman starters are cool, I love how simple they are. Plus, feels like the most American way to start an engine, just use gunpowder!
@eyeswideshut7732
@eyeswideshut7732 Жыл бұрын
They rotate the engine to the start position, tdc almost!!! Dont want the shotgun gases to escape down the exhaust valve and not pust the piston down... Thats a guess being a machanic, the guy in comments has a point also to make sure its not hydro locked.
@worldofwarbirds
@worldofwarbirds Жыл бұрын
The gasses from the shell don’t end up in the cylinders (I thought so too before researching it!) The gasses push another piston that engages a gear, that kicks over the engine. Something like that! Cheers!
@eyeswideshut7732
@eyeswideshut7732 Жыл бұрын
@@worldofwarbirds thanks for expanding on that, i had thought that, you would have engine piston compression up to that valve where the cartage goes, a valve would have be used i suppose, ive seen the same thing with old tractors, its fantastic 👍
@jaromirandel543
@jaromirandel543 8 ай бұрын
I would like to see the mechanism animation.
@hrexthedoish3419
@hrexthedoish3419 Жыл бұрын
Typhoons used it too
@worldofwarbirds
@worldofwarbirds Жыл бұрын
I erroneously said that it was mainly for American and radial aircraft, but at least some Spitfires had them too as well as Typhoons, Tempests and later jets.
@biffrude4981
@biffrude4981 3 ай бұрын
Clearing oil from the bottom cylinders😊
@mikesmith7249
@mikesmith7249 Жыл бұрын
Preventing hydrolock?
@worldofwarbirds
@worldofwarbirds Жыл бұрын
You got it!
@obsoleteprofessor2034
@obsoleteprofessor2034 Жыл бұрын
Checking for hydrolock, more precisely
@BauregardSenior87
@BauregardSenior87 Жыл бұрын
Nice videos, been enjoying them.
@worldofwarbirds
@worldofwarbirds Жыл бұрын
Glad you like them!
@malx1289
@malx1289 9 ай бұрын
Is it coffman or kaufmann?
@worldofwarbirds
@worldofwarbirds 8 ай бұрын
Coffman
@nodical802
@nodical802 Жыл бұрын
Is that the same thing you see being used to start B-52s?
@worldofwarbirds
@worldofwarbirds Жыл бұрын
Yes! B-52s could use a similar system
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