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SFS 31 Milan

Fans and Thermals.
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Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

...the doors are now installed too.
Home made hinges are with alu rivets installed on the doors and screwed in place into the wheel bay of the fuselage.
The problem with the hinges is that they stick out a bit to allow the door to turn away and give more clearance to the wheel going out or in.
Need to work on the closing spring now.

Noël
Attachments
0870001parts milling.JPG
1050001parts milling.JPG
1060001parts milling.JPG
2017 0039Milan fuselage bottom.JPG
2017 0040Milan fuselage bottom.JPG
2017 0044Milan fuselage bottom.JPG
2017 0045Milan fuselage bottom.JPG
2017 0046Milan fuselage bottom.JPG
2017 0047Milan fuselage bottom.JPG

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chris williams
Posts: 1046
Joined: 10 Mar 2015, 10:50
Location: Blandford Dorset

Re: SFS 31 Milan

Post by chris williams »

Wow, look forward to seeing that at Middle Wallop, Noel... ;)

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Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

Hi,
All the best with a lot of nice soaring to everyone who loves to do so!!!
Haven't been doing nothing...
I am now building the second Milan fuselage to the same finish as the first one.
Here the engine was also the difficult part.
An old but not much used Tartan 44 cc I bought some years ago, onboard starter fitted,
at the time, and now the fitting to the fuselage.
The cowl was to fit the engine without parts popping out.
And yes it did fit nicely.
Enough talking...
Pictures...
And yes Chris, MW this year is on my list!!!
Noël
Attachments
2017 0004Tartan 44 cc engine.JPG
2017 0010Tartan 44 cc engine.JPG
2017 0020Tartan 44 cc engine.JPG
2017 0021Tartan 44 cc engine.JPG
2017 0025Tartan 44 cc engine.JPG
2017 0027Tartan 44 cc engine.JPG
2017 0028Tartan 44 cc engine.JPG
2017 0029Tartan 44 cc engine.JPG
2017 0030Tartan 44 cc engine.JPG
2017 0031Tartan 44 cc engine.JPG

User avatar
Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

...I had the original spinner for the engine.
This sits on the hub outer.
The new spinner being only 64 mm dia was a problem to fit.
Hole to big to center well and the supporting dia for the prop tooo small.
So a new back plate was turned and fitted.
The exhaust was more easy... ;)
Attachments
2017 0033Tartan 44 cc engine.JPG
2017 0034Tartan 44 cc engine.JPG
2017 0035Tartan 44 cc engine.JPG
2017 0036Tartan 44 cc engine.JPG
2017 0039Tartan 44 cc engine.JPG
2017 0041Tartan 44 cc engine.JPG
2017 0042Tartan 44 cc engine.JPG
2017 0046Tartan 44 cc engine.JPG
2017 0051Tartan 44 cc engine.JPG
2017 0052Tartan 44 cc engine.JPG

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Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

...See more on the exhaust...
Attachments
2017 0056artan 44 cc engine.JPG
2017 0062Tartan 44 cc engine.JPG
2017 0063Tartan 44 cc engine.JPG
2017 0064Tartan 44 cc engine.JPG
2017 0066Tartan 44 cc engine.JPG
2017 0067Tartan 44 cc engine.JPG
2017 0068Tartan 44 cc engine.JPG
2017 0069Tartan 44 cc engine.JPG
2017 0070Tartan 44 cc engine.JPG
2017 0072Tartan 44 cc engine.JPG

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Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

...and more...
I did reinforce the exhaust flange due to previous experiences...
Noël
Attachments
2017 0075Tartan 44 cc engine.JPG
2017 0076Tartan 44 cc engine.JPG
2017 0077Tartan 44 cc engine.JPG
2017 0083Tartan 44 cc engine.JPG
2017 0084Tartan 44 cc engine.JPG
2017 0085Tartan 44 cc engine.JPG
2017 0086Tartan 44 cc engine.JPG
2017 0087Tartan 44 cc engine.JPG
2017 0088Tartan 44 cc engine.JPG
2017 0089Tartan 44 cc engine.JPG

john greenfield
Posts: 516
Joined: 18 Mar 2015, 07:52
Contact:

Re: SFS 31 Milan

Post by john greenfield »

Interesting Noel. The original Tartan twin carb faced forward. Have you made a new intake to turn it round ?

AEB
AEB = Aeronautical Energiser Bunny (with thanks to CW)

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chris williams
Posts: 1046
Joined: 10 Mar 2015, 10:50
Location: Blandford Dorset

Re: SFS 31 Milan

Post by chris williams »

Never mind getting it off the ground, you'll never get it out of the car with all that engineering on board... :D

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Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

Hi Chris and John,
Chris...you keep telling me...but the only thing I can say is wait and see... 8-)
And " no ", I will not pass it on to you...
John, indeed the elbow I milled it out of a POM or Acetal kind of quality nylon.
In the early days you could order the carburetor elbow in 3 models,
front, downwards or back...
But since long these engines are not build any more in Italy.
When the creator retired they stopped building them I have been to the company...
Anyway John, not to difficult to make see enclosed the drawing.
It is drawn on mm paper so you have to measure... I used a round block, dia +/-60 mm.
Milled it square first...but you know how to do it.
Works fine, the engine can't reverse with the starter and the ignition on now...
hope this helps,

Noël
Attachments
Carburetor elbow for Tartan 44 cc.pdf
(1.58 MiB) Downloaded 70 times

User avatar
Noël Rumers
Posts: 261
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: SFS 31 Milan

Post by Noël Rumers »

...the doors had been fitted, but now the scale springs for opening and closing are fitted too.
Good you have friend to help...The hot water inventing...
Noël
Attachments
2017 0001Milan Tartan 44 cc engine.JPG
2017 0002Milan Tartan 44 cc engine.JPG
2017 0003Milan Tartan 44 cc engine.JPG
2017 0004Milan Tartan 44 cc engine.JPG

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