Today I learned

"Spanfeller is a twat" (theaspiringengineer) 10/21/2018 at 00:07 • Filed to: None

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There’s an LS-powered helicopter.

Hummingbird 300LS

For Sweden > Spanfeller is a twat 10/21/2018 at 00:12

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Liking the LS is one thing

Trusting your life to the LS is quite another thing

Spanfeller is a twat > For Sweden 10/21/2018 at 00:15

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I agree... but I’m pretty sure that the LS sounds better than the lycomings 6 cyl

wafflesnfalafel > Spanfeller is a twat 10/21/2018 at 00:36

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wouldn’t it be kinda heavy?

gmporschenut also a fan of hondas > Spanfeller is a twat 10/21/2018 at 00:40

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there are a lot of LS powered aircraft

Spanfeller is a twat > gmporschenut also a fan of hondas 10/21/2018 at 01:00

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gib now. 

Spanfeller is a twat > wafflesnfalafel 10/21/2018 at 01:02

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The other optional engine is the Lycoming 0-435, which weighs around the same as the LS7 

Spanfeller is a twat > wafflesnfalafel 10/21/2018 at 01:02

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The other optional engine is the Lycoming 0-435, which weighs around the same as the LS7 

Spanfeller is a twat > wafflesnfalafel 10/21/2018 at 01:02

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The other optional engine is the Lycoming 0-435, which weighs around the same as the LS7 

PS9 > gmporschenut also a fan of hondas 10/21/2018 at 01:04

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But how many aircraft powered corvettes are there? 

SmugAardvark > PS9 10/21/2018 at 03:30

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At least one that I know of...

ETA: Scratch that, here’s another .

TheRealBicycleBuck > Spanfeller is a twat 10/21/2018 at 04:31

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T he biggest concern with using an automotive engine in an aircraft is a lack of redundancy. An aircraft engine is built with two magnetos running two independent ignition systems which power one of each pair of spark plugs in each cylinder. If you lose one magneto, you only lose one spark plug per cylinder and the engine keeps running. The magneto system is completely independent of the electrical system, so if the alternator dies mid-flight, only the instruments go offline. The engine keeps running.

WilliamsSW > Spanfeller is a twat 10/21/2018 at 09:02

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You’d be surprised how good a flat 6 Lycoming or Continental can sound.

But it will be drowned out by the noise of the blades anyway. 

Spanfeller is a twat > TheRealBicycleBuck 10/22/2018 at 12:39

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It was downrated to 300-ish hp despite being an LS7, maybe they added the requisite safety features? 

TheRealBicycleBuck > Spanfeller is a twat 10/22/2018 at 12:46

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Looks like it has a single coil-pack per cylinder, so my guess is no.

Spanfeller is a twat > TheRealBicycleBuck 10/22/2018 at 13:14

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Huh, who would’ve thought general aviation is a gamble?

/s