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Messerschmitt Bf/Me 109 - Blohm & Voss Bv 155 Projects & Prototypes

sienar

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Hood said:
But I wonder if this was the reason why the F-models dispensed with the wing cannon? It seems odd that if the same shockwave issue occurred with the MG FF that the fences were not looked into again.

A few Fs were tested with wing MGFFs at Estelle, but I have no idea why the idea wasnt proceeded with. Seems like a no brainer.
 

galgot

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Galland flew a modified F with MG FFs in wings.
(And another one with MG 131 (?) in cowling, that before the Gustav).
 

GTX

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I believe these show what you are referring to:

223839d1360163937t-gallands-bf-109s-galland_bf109f2_20mmmgff_3.jpg

1-bf-109f-jg26-adolf-galland-audembert-dec-5-1941-051.jpg

attachment.php
 

sienar

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From 109 F-K Radinger and Schick
 

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sgeorges4

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Any original drawing of the bf 109 S? I can't find the topic with those drawing,and I just want to know for wich version the wing was assigned(the F or the E?).
 

newsdeskdan

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sgeorges4 said:
Any original drawing of the bf 109 S? I can't find the topic with those drawing,and I just want to know for wich version the wing was assigned(the F or the E?).

According to an A.I.2(g) report of December 1944 by G E F Proctor, under 'mainplanes': "The wing is very similar in construction to that employed on the Me 109 G-6 but has the following modifications:
(a) The fitting of an air duct between the main spar and the subsidiary spar to which the flaps and ailerons are attached.
(b) Wing flaps extending to root end of wing.
(c) Leading-edge slat throughout the complete span.
The air discharge is directed above the leading-edges of the ailerons and flaps, the width of the discharge slot being found by trial and error. Four widths of slot are available. The air ducts in the wing preclude the use of the normal coolant radiators and an evaporative cooling system has been evolved."
 

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I only know of one site with drawings. http://www.oocities.org/heartland/village/4082/int_air/bv155-1.htm
 

newsdeskdan

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sgeorges4 said:
Any official drawing regarding the me 155?

Official drawings of the Me 155 are pretty few and far between. I've only got a couple and the aircraft they depict doesn't look much like the postwar re-draws seen elsewhere. I should also add that, from what I can tell, the Me 155 from 1942 did not evolve into the BV 155. The Me 155 from 1942 was scrapped in all but name and that name was then applied to the P 1091 of 1943 - a new three-stage development as seen elsewhere. Messerschmitt then handed the P 1091 (a mixture of Me 109, Me 209 and new components) over to Blohm & Voss as the 'Me 155' and they completely re-drew it to become something else again.
 

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sienar

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Was the wing of the 155 like the redraws? Mid virtually straight spar with evenly tapered planform?

Blohm was really unhappy with the 1091 they were given. A key issue they identified was the spar location, which made the wing torsionally weak. Improving that was precluded as the landing gear meant a torsion box could not be built ahead of the spar, and the radiators in the trailing edge meant that the same could not be done aft of the spar either. They also identified problems with the fuselage and turbo installation, choosing to go for a tubular fuselage structure as this was much easier to design and rework when changes to the turbo occurred.
 

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sienar said:
Was the wing of the 155 like the redraws? Mid virtually straight spar with evenly tapered planform?

Blohm was really unhappy with the 1091 they were given. A key issue they identified was the spar location, which made the wing torsionally weak. Improving that was precluded as the landing gear meant a torsion box could not be built ahead of the spar, and the radiators in the trailing edge meant that the same could not be done aft of the spar either. They also identified problems with the fuselage and turbo installation, choosing to go for a tubular fuselage structure as this was much easier to design and rework when changes to the turbo occurred.

Both versions I have simply refer to the aircraft as the 'Me 155' even though one has shorter wings and one longer. The longer wing example has no top view, so I can't tell what the shape was like. The short wing version does have a mid virtually straight spar with evenly tapered planform.
 

sgeorges4

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can you show the entire drawing of the fuselage or you just got a part of it?
(I want to do a model of this one)
 

sgeorges4

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I found this one on Asisbiz:
Messerschmitt-Bf-109G4-Erla-flown-by-Karl-Hannes-during-high-altitude-testing-Deurne-Belgium-Mar-1943-01.jpg

Messerschmitt-Bf-109G4-Erla-flown-by-Karl-Hannes-during-high-altitude-testing-Deurne-Belgium-Mar-1943-02.jpg

https://www.asisbiz.com/il2/Bf-109G/Messerschmitt-Bf-109G.html
 

sgeorges4

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Is this deisgn the blohm und voss 155 A?
15.jpg

The source is here: http://fighters.forumactif.com/t80349p500-luftwaffe-46-et-autres-projets-de-l-axe-a-toutes-les-echellesbf-109-g10-erla-luft46
 

newsdeskdan

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sgeorges4 said:
Is this deisgn the blohm und voss 155 A?
15.jpg

The source is here: http://fighters.forumactif.com/t80349p500-luftwaffe-46-et-autres-projets-de-l-axe-a-toutes-les-echellesbf-109-g10-erla-luft46

No. That's the BV 155 B. As far as is known, there never was a BV 155 A. It went straight from being the Me 155 B to being the BV 155 B.
 

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what the me 109 ST look like? Do you have a characterisitic description off this aircraft?
 

sgeorges4

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DB 627 on a O-nine?
http://me109.airwar1946.nl/family/me209.htm
 

sgeorges4

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Something about the 109 H:
http://forum.12oclockhigh.net/showthread.php?t=13823
 

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From Авиация и Космонавтика - Выпуск 45 от 1999
 

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sienar

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somewhat related
 

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hesham

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From; Messerschmitt "0-Nine" Gallery",

some Projects and Prototypes.
 

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hesham

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And;
 

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sgeorges4

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attachment.php

just found this:
http://forum.12oclockhigh.net/showthread.php?t=53013
Now,do you have any original drawing of the bf 109 K prototype/mock up design(with a diferent cowling[not a "erla" one])?
 

sgeorges4

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any drawing or original document regarding the bf 109 K1/K2/K3 ,and concept for the bf 109 K?

thanks for your answer.
 

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Messerschmitt Bf109 G-1 through K-4 Engines and Fitting, Jean-Claude Mermet
 

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sgeorges4

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Thanks,I'll do that one withe new bf 109 G10 from eduard and do someone has historical document regarding the bf 109 K14 or is it what if?
http://www.azmodel.cz/2018/10/bf-109k-14/
 

sgeorges4

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any official drawing regarding the me 155+DB 628? Was the wing form different beside of the span being different between the different variant?
Messerschmitt+Me+155B-ww2shots-air+force.jpg
 

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whether there is data on the Me/bf 109A, 109S, 109V models

thank you
 

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Hi,
Can anyone give me some good and reliable sources like books, documents or book titles about Me 155 later to be Bv 155. I've got Warplanes of the Third Reich in which there are some information but nit that many so i'm trying to find out some more about this fascinating aircraft. Thanks for all the help in advance.
 

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