Scratch built depron micro Macchi 72 Schneider racer - RC Groups
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Mar 14, 2013, 02:50 PM
E-flyer since 1981
Michael in Toronto's Avatar
Discussion

Scratch built depron micro Macchi 72 Schneider racer


This will be a semi-scale Macchi 72 Schneider Cup racer scratch built from depron and E-Flite micro floats, and the guts from an E-Flite micro Beast biplane.

I have no plans and will be basing the model on photos and what seems right at this size.

I'll be using my own personal judgement and experience to decide on a good balance of size, wingspan and wing-loading for what I hope will be the best compromise for a good flyer.

The photo shows the main components that will magically transform into a new model.
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Mar 14, 2013, 02:51 PM
E-flyer since 1981
Michael in Toronto's Avatar
Wing and fuselage sides are 1/8" foam, tail is 1/16", all with 'grain' lengthwise.

Wingspan is 18". Projected (hoped for) weight without floats is 2 ounces.
Mar 14, 2013, 02:55 PM
E-flyer since 1981
Michael in Toronto's Avatar
Wing sanded to undercambered airfoil, ailerons cut, basic fuselage construction started, motor mount fashioned, and floats assembled.
Mar 14, 2013, 02:56 PM
E-flyer since 1981
Michael in Toronto's Avatar
About 3+ hours for this little bit behind the cockpit.

Still a bit of sanding needed.
Mar 14, 2013, 02:57 PM
E-flyer since 1981
Michael in Toronto's Avatar
More progress: fuselage top and pilot opening, cowl and spinner.

More sanding is needed but basic construction is done and it now looks like a Macchi 72.
Mar 14, 2013, 02:59 PM
E-flyer since 1981
Michael in Toronto's Avatar
Steady progress, a tiny bit by tiny bit.

Windshield frame cut and glued in; made a slightly larger than scale scale fin and rudder; receiver in place; tail linkages prepared.

About 2 hours work.
Mar 14, 2013, 03:00 PM
E-flyer since 1981
Michael in Toronto's Avatar
I have been posting these on our club's website, and thought I'd share here.

I'll post more as I progress.
Mar 14, 2013, 04:00 PM
Registered User
Very nice.

Pete
Mar 14, 2013, 04:14 PM
Registered User
Chrizz's Avatar
Very nice build!!
I'm definately getting inspired!!

...but are you keeping the wing flat?
Mar 14, 2013, 04:25 PM
Registered User
chulian1819's Avatar
hope to see her racing soon!
Mar 14, 2013, 06:18 PM
E-flyer since 1981
Michael in Toronto's Avatar
Quote:
Originally Posted by Chrizz
Very nice build!!
I'm definately getting inspired!!

...but are you keeping the wing flat?
Very slight undercamber.
Mar 14, 2013, 06:28 PM
Registered User
Martin Irvine's Avatar
Very cool Micheal! Should we start thinking of reviving the Schneider cup racing in Kingston in micro form?

Martin
Mar 14, 2013, 09:54 PM
E-flyer since 1981
Michael in Toronto's Avatar
Quote:
Originally Posted by Martin Irvine
Very cool Micheal! Should we start thinking of reviving the Schneider cup racing in Kingston in micro form?

Martin
Hi Martin

Can you put up a small temporary pond at the field?

We're seriously considering a Schneider Cup type event here in Toronto.

The event would probably be closer in style to our "Warbirds" or "Jets" events, where each of simply take a turn to fly and talk about our models as related to the event.

It was Robert who egged me on to do this, and he is considering making one from a GWS Formosa kit.

We'll keep you updated, and feel free to follow the discussion on our club's website. Robert is to start a new thread on the subject soon.
Last edited by Michael in Toronto; Mar 14, 2013 at 10:32 PM.
Mar 15, 2013, 01:20 AM
Moderador.
Alfredo Rubio's Avatar
Very nice model!!! diferent
Mar 15, 2013, 04:10 PM
Registered User
Looking good. Hope the avionics live up to the 'racer' aspect
One question though; that elevator joiner looks oddly located.. is it ?


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