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Moa

Macchi M.39 Schneider Cup

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Scratching of this one just resumed, after long delay.

Here and image of the floats, as explained above obtained by modifying a pair from an old Aeroclub (the gift that keeps on giving) generic float sheet:

IMG_8556+%25281280x960%2529.jpg

 

Tail feathers:

IMG_8557+%25281280x960%2529.jpg

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As they say: The ordnance of a bellicose man is the racer spinner of the peaceful one.
The future spinner:

IMG_8558+%25281280x960%2529.jpg

 

A beaching dolly is drawn and built:

IMG_8559+%25281280x960%2529.jpg

 

Now the floaty bits have a place to rest:

IMG_8560+%25281280x960%2529.jpg

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The wing is made. Later on it will be cut and given the corresponding swept-back:

IMG_8561+%25281280x960%2529.jpg

 

The wood blanks for the fuselage are cut:

IMG_8562+%25281280x960%2529.jpg

 

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Moa, you have great taste. Another beautiful subject.

Are you using balsa wood for the fuselage? If so, what are you sealing it with?

 

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3 minutes ago, Jo B said:

Moa, you have great taste. Another beautiful subject.

Are you using balsa wood for the fuselage? If so, what are you sealing it with?

 

Hi Jo

It is basswood. I never use balsa.

Sometimes I use those wood plugs to plunge a vac, sometimes I just I use the wood, sealed with thin CA and primer and sanded smooth.

Not sure which way this one will go yet.

 

 

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7 minutes ago, Moa said:

Hi Jo

It is basswood. I never use balsa.

Sometimes I use those wood plugs to plunge a vac, sometimes I just I use the wood, sealed with thin CA and primer and sanded smooth.

Not sure which way this one will go yet.

 

 

I see. Cool.

Thanks for the links to those scratchbuilds. 

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3 minutes ago, nuuumannn said:

Moa, I've sent you a PM.

Thanks, nuuumannn!

Although I should warn fellow modelers that the machine at the museum differs in a number of ways from the one that won the cup (the one I will be representing here).

As usual, all material at hand deserves consideration, but only contemporary photos and films are a sure guide for accurate representation of the originals.

Furthermore, regarding photos: never trust blindly the captions. As noted somewhere above on the thread, a great number of photos of the Macchi types (and of course many others) are mislabeled, even in prestigious aviation sites.

Careful research is needed to separate chaff from wheat in order to improve the chances of having a fairly accurate replica.

Cheers

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On 23/02/2020 at 05:58, Moa said:

Thanks, nuuumannn!

Although I should warn fellow modelers that the machine at the museum differs in a number of ways from the one that won the cup (the one I will be representing here).

As usual, all material at hand deserves consideration, but only contemporary photos and films are a sure guide for accurate representation of the originals.

Furthermore, regarding photos: never trust blindly the captions. As noted somewhere above on the thread, a great number of photos of the Macchi types (and of course many others) are mislabeled, even in prestigious aviation sites.

Careful research is needed to separate chaff from wheat in order to improve the chances of having a fairly accurate replica.

Cheers

I will follow this with interest, much of what you have written was new to me. I am so interested because I have the 1/24 scale Profile24 Macchi M39 but have not started it yet because I could not find enough reliable information.

 

Next time you visit the British family visit Duxford or one of the other fantastic aviation museums 😃 
 

When I go to Scale Modelworld in Telford (I live in Belgium)we always reserve a day to visit Duxford and I was able to take two rides in their De Havilland Rapides. And that is pure fun!

 

 

 

 

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8 hours ago, roadrunner said:

Hello,

always fabulous subject.

do you have a plan for the beaching dolly?

S.

?

I already made a dolly for it, it's in the photos above your post.

 

 

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14 hours ago, Moa said:

?

I already made a dolly for it, it's in the photos above your post.

 

 

sorry i misspoke,

Do you draw a plan of this dolly, I have a 1/48 M39 to build, and need to scratch built one.😉

 

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9 hours ago, roadrunner said:

sorry i misspoke,

Do you draw a plan of this dolly, I have a 1/48 M39 to build, and need to scratch built one.😉

 

Not really, I took the front view of the plan, and used it to extract a front plate, replicated the plate for the back, carving the corresponding V sections of the floats in negative (of course shallower on the back) and united those front and back plates with side "boards" and some additional minor structure, adding then a central wheel on each side, and smaller front and back wheels as per photos (in those little wheels the dolly rests when it's inclined in those directions).

Does this help?

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The blanks are pegged together:

IMG_8685+%25281280x960%2529.jpg

 

And the shape is being carved:

IMG_8687+%25281280x960%2529.jpg

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Glad to you back on this one. Love what you do in producing those vac blanks, never attempted it myself.

 

Stuart

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The process of sanding away what it doesn't look like a Macchi M.39 fuselage starts:

IMG_8724+%25281280x960%2529.jpg

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How did I miss this? Excellent, excellent ...

 

On 12/25/2019 at 5:50 AM, Moa said:

many photos captioned as a Macchi M.39 are actually of the very similar (but not identical) Macchi M.52 and 52R. Therefore the first task is to sort out the photos,

Agreed.  One more detail which might assist with sifting through identities:

 

I understand the M.39 & M.52 had 2x solid horizontal struts spanning between the floats; the M52R replaces these with lower drag bracing wires.

 

On 12/25/2019 at 6:12 AM, Moa said:

 

I was gifted some years ago (Thank's David!) this book that has been extremely useful ever since:

 

Unfortunately I’m not seeing this image - some sort of error? Could I impose upon you to name the title?

 

On 12/25/2019 at 9:54 AM, Moa said:

One particular detail to have in mind as you build the wing is that the panels were asymmetric, the left wing a bit larger in span to compensate for the brutal torque of the powerful engine.

Such thoughtful, well reasoned design!  He followed this through with one of his wartime fighters too ..

 

 

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26 minutes ago, greggles.w said:

Unfortunately I’m not seeing this image - some sort of error? Could I impose upon you to name the title?

content?id=--BbLwEACAAJ&printsec=frontco

 

 

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Great, thank you!

 

Another reference that I feel can be relied on (at least more than google images!):

 

BM_20_CR-3_Macchi reference

 

You may already be aware of this, but posted here for others too.

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59 minutes ago, greggles.w said:

Great, thank you!

 

Another reference that I feel can be relied on (at least more than google images!):

 

BM_20_CR-3_Macchi reference

 

You may already be aware of this, but posted here for others too.

Thanks for posting it

Unfortunately don't have that one.

 

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This is a bit lagging behind, since I decided to turn my attention to the other ongoing projects, the London bus, the annular wing and the Sea Lion.

Until I am recovered from this respiratory lingering annoyance, it's much easier for me to build kits (even if they are not shake and bake) than to scratchbuild.

But the time will come.

 

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