![]() 10/19/2020 at 18:48 • Filed to: Planelopnik | ![]() | ![]() |
If you’ve got a small piston engined plane, you start it just like your car with an electric starter.
If you have something else, not so much.
Using an engine to start your engines
If you have a larger (and modern - the Concorde didn’t) jet aircraft, it’ll have an auxiliary power unit or APU. This is a small gas turbine sitting at the back and produces the noise you hear when getting on or off. When you want to get going you start your APU which produces compressed air which in turn spins up the main engines using a kind of pneumatic starter. It also produces electric power which in some cases is used to start the engines.
Using a recoil starter to start your engine to start your engine
Each of the three jet aircraft used by the Luftwaffe in WW2 used a Riedel two stroke flat twin (used because compact, simple and light and so could be fitted at the front of each main engine) as an APU. Some were electrically started but usually they used a recoil starter just like your lawnmower. When the engines were called upon you pulled the ring you see above. If you were lucky the APU started and then the pilot clutched it to the main engine to start.
Using a piece of string to start your engines
This is a Cri Cri, a thing which really quite large amounts of money would not persuade me to get in.
They vary, but this particular one requires one’s assistant to wrap a cord around the flywheel and pull. Failure to start requires wrapping it around again, because no fancy recoil starter here.
Using hand propping
Just what the term suggests, you dispense with a mechanical starter in favour of a human one. Pilot and starter need to establish good communications because the latter really needs to know if the ignition is on or off before swinging that prop. Keeping head, arms and hands back is good too.
Using an inertia starter
Hand cranking a 35 litre DB 605 engine would be an ambitious undertaking so the guy above is actually winding up an inertia starter which uses a flywheel to store the energy put in by the crank handle. Once sufficient speed had been obtained he stands back and the pilot clutches the starter to the engine. It doesn’t turn the engine for long so you hope that it starts easily or you’re repeating the process. Other surviving 109s use the space freed up by no longer having to carry ammunition to hold an electric starter, but it still winds up an inertia starter rather than start the engine directly.
Here we go, from about 3.40:
Windmilling
Here we have a glider or sailplane.
It stays aloft by using thermals or other varieties of rising air. This comes with the possibility of not finding sufficient rising air so many have a greater or lesser degree of engine power to assist. In decreasing order of power you can have a motor glider ( a compromised glider and a compromised powered plane in one), a self starting glider with a small engine on a retractable pylon (in the slot behind the cockpit above) which will get it into the air without the nee d for a t owing aircraft or a sustainer which has a small and basic engine which acts as a range extender. In order to keep weight down it’s common to dispense with a starter motor and instead rely on windmilling. The pilot extends the engine and depends on the air passing by to turn the prop sufficiently rapidly to start. If it doesn’t start the pilot will concentrate on trying to get it started and while so doing may be surprised in his or her last moments on earth by the unexpected and sudden arrival of said earth. Yes, this is a thing.
![]() 10/19/2020 at 19:00 |
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![]() 10/19/2020 at 19:03 |
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I prefer lighting a fuse
![]() 10/19/2020 at 19:06 |
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The 163 had its downsides, most of which involved explosions.
![]() 10/19/2020 at 19:06 |
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Use explosive cartridges:
Use a Buick V8 start cart:
![]() 10/19/2020 at 19:07 |
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Jeeps!
https://oppositelock.kinja.com/worlds-collide-1828302139
![]() 10/19/2020 at 19:10 |
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I’d be ok with this outcome if I never had to see or hear that guy again.
![]() 10/19/2020 at 19:12 |
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If The Flight of the Phoenix isn’t lying to me, some used shotgun like shells to start.
![]() 10/19/2020 at 19:12 |
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And the fuel dissolving the pilot.
![]() 10/19/2020 at 19:17 |
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Great post!
or if you’re a weirdo opposed-piston diesel, you use gunpowder...
![]() 10/19/2020 at 19:22 |
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Nice job! Interesting topic, I wonder why you chose this? Anyway, there are two other starting systems: The Hucks Starter: An external machine that turned the airscrew until ignition was achieved. The Model T was a popular platform for this:
The Kauffman starter: A shotgun shell is fired into a device, piston or turbine which spins the engine until ignition is achieved. A great illustration of one in action is in Robert Aldridge’s Flight of the Phoenix as Jimmy Stewart attempts, with only a small supply of shells, to start the Phoenix for it’s flight out of the desert. Nice job! Keep ‘em coming.
![]() 10/19/2020 at 19:25 |
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If you’re a real man, you get your buddies to bring along a spare Buick big block and start your jet that way.
![]() 10/19/2020 at 19:35 |
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Thats half the fun... the uncertainty.
![]() 10/19/2020 at 19:38 |
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And the slave labor
![]() 10/19/2020 at 20:29 |
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As a former owner of a 1965 Buick Wildcat, I approve of this post.
![]() 10/19/2020 at 21:20 |
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How about with a shotgun shell?
![]() 10/19/2020 at 21:37 |
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Yo u forgot the best kind which is with shotgun shells.
![]() 10/19/2020 at 21:50 |
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Dont forget the shotgun shell pressurized start.
![]() 10/19/2020 at 22:05 |
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There were a few agricultural tractors that could be started that way - with a shotgun shell. Stick a shotgun shell in the side, hit it with a hammer, and off it would go.
Not surprisingly, it wasn’t that popular. Thinking how... economically minded farmers are, I doubt many would want to spend the money like that to start a tractor.
![]() 10/19/2020 at 22:56 |
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Famed Hollywood pilot Paul Mantz was killed flying that plane for the movie.
![]() 10/20/2020 at 00:57 |
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Cheaper than gasoline pony motor needed to start the larger diesel engines as they became popular in the 30s and 40s . would also use to preheat the oil, coolant and d iesel.
![]() 10/20/2020 at 04:44 |
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I actually forgot th
e
remote starter,
having intended to include it!
![]() 10/20/2020 at 04:45 |
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Bad for the engine too apparently. Usually you inserted a smouldering paper and cranked by hand.
![]() 10/20/2020 at 04:58 |
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That as well.
![]() 10/20/2020 at 12:51 |
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With all the emphasis on cutting weight I’m surprised the 109 would add all the flywheel weight and and additional clutch
![]() 10/22/2020 at 06:44 |
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I think the issue was lack of space. By using an inertia starter they were able to fit more ammunition behind the engine. Tanks used them as well, though as a back up to the electrical starter.
Most of the surviving ones (which were usually built post war in Spain) have been converted to electrical because they don’t usually carry ammunition around...