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Ridge Runner

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Apr 11, 2020, 4:36:09 AM4/11/20

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Try these. Not too hard I guess

RREXT11apr20.jpg

SincoTC

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Apr 11, 2020, 5:45:01 AM4/11/20

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Hi Martin,

It's a Morane-Saulnier M.S.475 Vanneau innit?

That image made me scratch my head though, I've seen many photos of them in flight and I guess observed that some of the mainwheels protrude, but never latched onto the fact that they would have had to rotate 90 degrees to the leg before retracting inwards and it seems that this feature isn't mentioned in any technical descriptions!!! DOH

Wouldn't it have been simpler and a lot cheaper to just increase the track and let them lay flat in the wing?

Ridge Runner

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Apr 14, 2020, 6:29:18 AM4/14/20

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Thats the one, Trevor. It is a type I hadn't heard of until I recently picked up to French-language books on Armee de l'air operations in North Africa. The MS.475 is a rugged looking aircraft. I also likethe adial-engined MS.472 :)

Martin

SincoTC

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Apr 14, 2020, 2:21:17 PM4/14/20

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Thanks, Mertin,

A good challenge! 👍

I wonder if there are any other aircraft that I haven't noticed like this, that rotate the axis of the wheel relative to the leg to retract inwards? Much more difficult to arrange than the rearward retracting Curtiss types where the whole leg rotates as it swings back using 1:1 bevel-gears at the top, I'll have to have a dig and find out if there are any online drawings or photos!! 🤔

Ridge Runner

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Apr 15, 2020, 4:14:32 AM4/15/20

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How about the SIPA 10/11/12?

i will be modelling the Vanneaus and the SIPA soon :)

SincoTC

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Apr 15, 2020, 9:29:26 AM4/15/20

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Hi Martin,

On Wednesday, 15 April 2020 09:14:32 UTC+1, Ridge Runner wrote:

How about the SIPA 10/11/12?

Oh, dear!! A can of designation worms there it seems (but it is French!!), and was originally German (Arado Ar.396), but none retract like the Vanneaus!!! 🤔

The original Ar'96 had gear-doors and simply retracted inwards to lay flat in the wing, The Ar.396 and the SIPA's all seem to retract backwards and could either (a) rotate part of the leg and wheel 90 degrees to lay flat in the wing. However, some profile drawings show part of the wheel exposed below the wing's under surface, meaning that (b) they did not rotate the leg or wheel axis, but just retracted the leg and wheel backwards as a unit.

SIPA Undercarriages.jpg

i will be modelling the Vanneaus and the SIPA soon :)

I look forward to seeing them! 👍

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