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Hand cranking engines


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#11 CORSNING

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Posted 05 February 2016 - 10:52 PM

Excellent information Kutscha.



#12 Armand

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Posted 06 February 2016 - 01:10 AM

The plugs were pulled not because of the burnt gun powder but because the engine was flooded with aviation fuel, fouling the plugs. The fuel also removed any lubricating oil which was very necessary in sleeve valve engines.


Aparently isn't at least the Shvetsov radial sensitive to failed starts:
http://youtu.be/raG-EckvucI

BTW: The numbers of failed starts gives an good idea of how the electric inertia -starter works!

#13 Kutscha

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Posted 06 February 2016 - 01:35 AM

It started but failed to keep running Armand. Some kind of fuel feed problem I would say. It had been sitting for a month so possibly some gumming up of the fuel delivery system.



#14 Armand

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Posted 06 February 2016 - 03:21 PM

The point is that it didn't have to get pulled all they 'plugs after the 3rd-4th failed attempt!

The clip is one that i remembered and re-found on Youtube and together with this one is several others, where among I shortly noticed that the FW-190 and the Me/Bf-109 have electric inertia-starters (logic with the Messerschmitt, as the mentioned cranck indicates an inertia-system present) and the Spitfire had an automobile-like electric starter!

#15 Heräkulman Ruhtinas

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Posted 17 February 2016 - 06:43 PM

Bf109 for sure had the hand-cranked inertia starter, it needed ground crew to turn the crank.

 

Fw190 might have electrical starter motor.


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#16 GregP

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Posted 18 February 2016 - 01:13 AM

Funny thing about the hand-crank starter in the Bf 109. We supplied them to Germany during the war via Switzerland.

 

Some 20 years ago, they restored a Bf 109 at Aerotrader in Chino. They invited some 15 or so former Luftwaffe pilots to come see the first flight. When the Bf 109 was wheeled out, the former Luftwaffe pilots were all looking around to find the guys who was going to crank the starter, and were to a man rather surprised when the pilot came out (in German uniform), climbed in, primed it, and used a starter. I believe one of them is quoted as having said, " My God! If we'd have had those during the war, we would have won!"

 

Now I wasn't there to hear the quote, but I have heard the story some 15 - 20 times and it always winds up like that. I believe the DB had a place for a starter, but it wasn't used since nobody was into cutting into a rare DB engine just to connect a starter. It would be nice if anyone in Europe has seen under the cowl of the DB-engined Bf 109G that was made there from an Ha.1112 and could confirm a standard starter.



#17 Armand

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Posted 31 March 2016 - 05:41 PM

Just came past the cranking up of a Hurricane:
- at 0:15!

#18 GregP

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Posted 31 March 2016 - 08:23 PM

In the war, the Bf 109 was hand-cranked as the primary method of starting.



#19 Armand

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Posted 26 August 2017 - 08:49 AM

Just came past the cranking up of a Hurricane:
http://youtu.be/vYDD9HlBTVY - at 0:15!

I came past a tv programme where Jay Leno presented his(!) Merlin engine. During the presentation was the starter motor pointed out with explanation that it was a Merlin trademark wich also became incoperated in the Packhard versions.
As such should the Hurricane have it too :-/
Maybee was hand crancking such simple and effective that starter trailers for every aircraft was too complicated, especially at the makeshift bases abroad :-/

#20 Armand

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Posted 27 August 2017 - 09:11 PM

As i have seen a pair of AVG/Flying Tigers documentarys on Youtube this weekend it have caught my attention that the P-40's seemingly starts up wery easy without crancking aircrew or starter-trolleys. Seemingly had the aircraft (or the Allison?) both electric start-motor and sufficient internal battery!?

Edited by Armand, 27 August 2017 - 09:11 PM.





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