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Old Mar 02, 2014, 02:34 AM
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GNieuwoudt's Avatar
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Multiplex ASW22 build

Found a Multiplex ASW22 NIB with really all components still untouched in the box like in original shipment! The fuz is a little yellowed and was wondering if it would be best to just polish it to a shining white again or respray it.

The build will start soon.

Cheers
Gert
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Old Mar 02, 2014, 08:21 AM
Deniable plausibility
Shedofdread's Avatar
Derbyshire, UK
Joined Aug 2008
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Either would work. 1200g then 2000g and polishing compound should restore the finish. Lucky find, that - do post a picture or two
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Old Mar 06, 2014, 07:49 AM
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United States, CT, Waterford
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Hi Gert- I just bought one too.
The gentleman who sold it had the fuse mostly done and wings sanded finished. I just finished covering them and the flaps. My fuse is a little yellowed too- so I'll try the light compound&wax first.
I bought an electric engine & 14x8 prop that is next up on my list to do. Though, I'm a little uncomfortable with cutting the nose ... Because it's not perfectly round and not sure it'll look perfect.
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Old Mar 06, 2014, 08:31 AM
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UK, Greater London, Uxbridge
Joined Mar 2001
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Tom, I think you'll find that the act of cutting off a piece of the nose and inserting a round ply or FR4 former will bring it back to round and match the spinner. A little gentle heat when inserting the former may also help.
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Old Mar 06, 2014, 09:14 AM
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Hi Gordon- thanks for the advice! I'll do that and let you know how it goes.
Thanks again
Tom
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Old Mar 06, 2014, 11:35 AM
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Hi Tom
Keep me up to date with your progress. What did you use to cover the wings. I am considering one of the LF-Technic systems in stead of cutting the nose. Then I can still use it for towing as well.
Cheers
Gert
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Old Mar 06, 2014, 05:39 PM
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Canada, BC, Kelowna
Joined Jun 2006
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I built mine around 1986 (!!)
Glassed the wings and tail with epoxy, filled, sanded, filled, sanded till my fingers bled.
Wings are glass smooth and professionally painted at an automotive painter.

Full scale detailing, with retract, remote controlled towhook release (just in front of the wheel) along with aerotow in the nose.

Used a single aileron servo. May change this if the need arises. Also used the MPX spoilers available at the time.

All up weight was 4.48kg, with a 4-cell 4000mah NiCd in the nose.

Flew great, but had a tendancy to tip stall on approach if you got it too slow. Love the plane.
Note that the MPX ASW22 had the same wings as the ORIGINAL Alpina, using the Ritz airfoil. The ASW model was heavier though, and if I recall, had less decelage, causing it to have a longer takeoff/landing run. Something to keep in mind.

It neveer got really as popular as the Alpina. The non-scale looking wings probably didn't hrlp that cause.

Seeing this thread makes me want to pull mine out again...
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Old Mar 07, 2014, 07:38 AM
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United States, CT, Waterford
Joined Jul 2012
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Hi Gert,
To cover the wings, I looked for a low temp film and went with Black Baron. It's the second time I've used the iron I had from 30yrs ago. Overall- fair results and I would use a different film next time.
Recently saw a video(re. a full scale asw22) highlighting great improvements that adding winglets can make... so thinking of building some before the maiden.
Take Care,
Tom
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Old Mar 07, 2014, 07:46 AM
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United States, CT, Waterford
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Seeing this thread makes me want to pull mine out again...[/QUOTE]

If you happen to take yours out again... If would be great to see a picture of her!
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Old Mar 07, 2014, 02:05 PM
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United States, MO, Dexter
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Pictures

+1 on the pictures, let's see em..
Jim
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Old Mar 09, 2014, 03:20 AM
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Canada, BC, Kelowna
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Unfortunately, its packed up and in storage in my basement. Would be a while until I can get to it. Sorry.

May have some pics I could scan from back-in-the day. Will see, but don't look for them too soon.

Gerard (GR) from GPR has posted a short video of his old bird:
ASW22 Multiplex des GPR (2 min 8 sec)
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Old Mar 13, 2014, 11:08 PM
Where's all the wind gone
ShaneW's Avatar
Melbourne, Australia.
Joined May 2006
142 Posts
Love mine!
Weighs in about 4.6kg and fliers perfectly at that loading despite feeling very heavy.

I'm the 3rd or 4th or maybe 5th owner, but don't care. My first aero-tow glider and on the last flight I nearly spec'd it out of sight...had to hit the spoilers to get her to come down.

Enjoy yours!!

Shane.
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Old Jun 21, 2014, 06:29 AM
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GNieuwoudt's Avatar
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Almost ready for maiden! I am setting up the ASW22 to get elevator and wings aligned. I measure a -3.5deg decalage (Angle between wing and elevator). Is this normal for scale models of this size, in stead of 0 deg as we do with f3J models.

Cheers
Gert
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Old Jun 21, 2014, 07:24 AM
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Too much IMHO - you'll end up very nose heavy and performance will suffer.
Neutral decalarge would be unusual for a scale model - something about 1.5 degrees will make it fly nicely

Simon
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Old Jun 22, 2014, 05:09 AM
Where's all the wind gone
ShaneW's Avatar
Melbourne, Australia.
Joined May 2006
142 Posts
I checked mine today for you and it was set at about 1degree.
So somewhere from there to 1.5 should be fine.

Shane.
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