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Luftwaffe Engine Cowls

These were, until recently, a pair of elderly German gentleman’s winter log covers.

He claimed that during WW2 a Ju88 came down near his village. The villagers liberated parts and he had retained these two engine cowl for the practical use of keeping his winter fuel dry.

However these do not look like any Ju88 cowl that I have seen/owned.

They are double skinned in a way that Lockheed used (but also some Dornier and Heinkel).

I think they are German due to the catch arrangement.

They are asymmetric and together form at least 60% of a circle.

They are too long for a Jumo and way too long for a DB601 and the cowl structure on these engines was simple ribbing.

They are 142.5 cm long with a tapering chord of 77 cm to 72.5 cm and a height of 14cm.

They appear to be top hinged engine cowls with catches at the bottom with the remains of a stay visible on the cleaned one.

They are, not surprisingly, quite corroded. So one has been lightly cleaned with wire wool.

No obviously marks but as it is a single piece there is a lot of metal to look for a stamp on.

There is possibly a werknumber scratched in one side – still investigating.

Has anyone seem anything similar before ?

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By: wes - 17th November 2015 at 21:03

Not being at all rude, but kinda nice the elderly gent was correct considering how many rumours etc turn out far from the truth

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By: FarlamAirframes - 14th November 2015 at 14:44

Thank you Elliott – it has been a long and frustrating three weeks.

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By: Whitley_Project - 14th November 2015 at 09:59

Good detective work Brian

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By: FarlamAirframes - 14th November 2015 at 09:52

A nice gentleman from the Smithsonian has sent me a picture of their Jumo 213 with cowl that match exactly.

So this are definitely the port upper and starboard lower cowl leaves from a 213 engined Ju88 or 188.

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By: FarlamAirframes - 29th October 2015 at 11:47

By a process of elimination I have come to conclude that these are likely to be from a Jumo 213 engined machine.

The most likely being a Ju88 G-6 as shown in the image below.

http://www.ju-88.wz.cz/Stranky-Typy/typy-typy/typy-fotky/G-6/Ju-88G-6-34.JPG

http://www.ju-88.wz.cz/Stranky-Typy/typy-typy/typy-fotky/G-6/Ju-88G-6-24.JPG

http://www.ju-88.wz.cz/Stranky-Typy/typy-typy/typy-fotky/G-6/ju-88G-6-28.JPG

They would have to be the lower LHS and upper RHS as the other two have access hatch and air intake respectively.

Does anyone have an image of the inside of a G-6 cowl to confirm the structure ?

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By: FarlamAirframes - 27th October 2015 at 14:05

Calculating the diameter of the original item from the chords length and height — I get a diameter of 1.2m to 1.27m.

Which is close to the diameter of the Luftwaffe std power egg.

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By: FarlamAirframes - 26th October 2015 at 15:53

Martin thank you for the suggestion.

The Ju88 D undercarriage doors are a similar style but have no latches at the bottom edge.

http://www.cybermodeler.com/aircraft/ju88/images/afm_ju-88d_21.jpg

The Hendon main doors also have no catch and have a different pattern

http://www.cybermodeler.com/aircraft/ju88/images/rafm_ju88_07.jpg

P.S. just to be sure I measured from the plans and the main Ju88 undercarriage doors are under 1m in length.

The rear undercarriage door in the wings is never shown open !@$& but although the length is 1.4m the curve is quite extreme and not present on these panels. Also it only has two hinge castings and no need for catches ? Also no need for asymettry.

http://www.cybermodeler.com/aircraft/ju88/images/afm_ju-88d_09.jpg

Very pleased to see another example of this construction technique in use by the Luftwaffe. The Dornier Pfiel uses a similar undercarriage door.

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By: D1566 - 26th October 2015 at 15:39

Look like Ju88 Undercarriage doors.

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