Mamselle (oz44)

 

Mamselle (oz44) by Vic Smeed from Aeromodeller 1955 - plan thumbnail

About this Plan

Mam'selle. Vic Smeed designed 38in sports model for .5 to .8cc diesel power.

Quote: "HERE IS A sport model that gets away from the slab-sider groove, but which takes no longer to build and is as rugged as the most fumble-fisted could desire. Any motor of from .5 to .8 cc is ideal, and if you take care in trimming, Mam'selle will handle 1 cc quite comfortably. You can instal the motor upright or inverted with very little modification, if you prefer, though the side mount shown offers case of starting and accessibility of controls and only means either rotating the tank slightly on a motor such as the Dart, or fitting a small, separate tank to the other side of the bearers. Whether you build for the pleasure of construction, the fun of flying, or the more serious business of concours winning, we feel sure that this smooth little model will fill all your requirements.

Commence construction by pinning down the fuselage crutch and cementing in the cross-members. Note that medium balsa is specified throughout, and if you're undecided, go in for softer balsa rather than hard. While the crutch is drying, cut the formers; the grain direction is shown and should be followed for the strongest possible structure. F1 and F3 are cut from 1/16in ply. The notches are best cut with the edge of an old file of appropriate width.

Form the undercarriage and sew in place on F3, using carpet or similar strong thread passed through holes previously made with a fine awl or old dart..."

Update 25/02/2020: Added review (of Falcon kit), from R/C Model Flyer, June 2005, thanks to RFJ.

Quote: "Nostalgia time. Classic Vic Smeed design for FF. Mamselle, kitted by Falcon. Reviewed by Ken Swailes.

Now Vic Sneed, bless 'im, designed a lot of free flight models, most of which I've built over the years. Most were pretty, some not so, but they all flew - and well, too. So when I heard that Falcon were kitting some of these super little models, I just had to have one and as luck would have it, the only one I haven't built was the Mam'selle! As you can see in the bits photo, it's a comprehensive kitting job, with every part router cut in no less than eight sheets of balsa and ply, stripwood (nice quality), wheels - and bearers for the diesel (Photo 1). The guy who set up the router cutting really knows his job and is worth every penny he's paid. Pass the glue.

The wings and tail feathers are so simple I'm not going to insult your intelligence by telling you how to do it, but the fuselage is a different matter. Formers and stringers give a nice, strong, curvaceous fuselage that's as straight as a die -provided you do it right! Herewith is the Swailes 'anti-banana' process.

Build the crutch carefully and leave a little wood projecting forwards of where F2 will be (Photo 2). Let it dry hard, clean it up and mount it as power pic, up off the bench and fit the formers upside down (Photo 3). Put another support in the centre and add the stringers (Photo 4). Turn it over and refit it to the supports. At the front use the crutch projections, centre and rear use a support teach side with beech strip under the crutch. Tape it all down right and add the top stringers. There y' go. No bananas.

Moving to the sharp end I found that the Mills .75 all nicely drawn within the cowling was not in fact a Mills .75 it's a smaller version, maybe a .4! Panic not. The Mills .75 will go in, but the bearers need to be spaced 1/8 in wider. I raised the top one and lowered the bottom one, but with 20/20 hindsight, it's better to just lower the bottom bearer, or else the top cowling gets a bit thin.

The cowling block fitting sequence is shown in the detailed (in colour!) instructions. However, I like to fit the engine first and shape each piece to fit around it as I go. Putting the sheet infill pieces around the cabin and lower front fuz looks to be a nightmare, but is in fact a doddle, with very little trimming needed to get an exact fit.

The windscreen can be glued on after covering in the usual way or put on now and faired in with filler (Photo 5). This gives a lovely neat finish but you do have to cover with extra care. Don't omit the u/c fairings. They look the part - and if I see you flying without them...

Cover it with something light, tissue is fine, or Airspan, etc. We used Star span from FMK Models up north. The serious advantage of this synthetic tissue is its random grain, which won't warp even light structures. Put it on just like normal tissue, i.e, wet, then dope it. A lick of paint to brighten things up and were ready to rock n roll! Balance it first, you muppet! With mine, it took 25g of lead under the motor..."

Supplementary file notes

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Mamselle (oz44) by Vic Smeed from Aeromodeller 1955 - model pic

Datafile:

Mamselle (oz44) by Vic Smeed from Aeromodeller 1955 - pic 003.jpg
003.jpg
Mamselle (oz44) by Vic Smeed from Aeromodeller 1955 - pic 004.jpg
004.jpg

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User comments

Hi Steve, well done on your Outerzone labour of love - much appreciated throughout the modelling world. Attached photo of my scaled up 3 times Mamselle [more pics 003].
JohnL - 31/03/2016
Hello Mary and Steve, I have downloaded Vic Smeed's Mamselle and am going to build her as electric with a CF2822 and rudder and elevator. My original conversion to rudder only with throttle, about 30 years ago, ended in failure when she went into a spiral dive from about 100ft and ended up splattered. I built another Mamselle straight away but with elevator, and she was a real beaut. Made the wings in two halves so I could go flying with her when out on my motor bike. Must have some photos somewhere. Anyway, I have printed the formers on separate sheets so that I can paste straight on to the depron. I have put the plan through Posterazor and it comes out on 16 sheets with a 1" grid overlayed. I will stick the wing plan together separately from the fuselage so each part lines up properly. If I try to make one big plan like the Aeromodeller originals, alignment is always a problem for me.
MalcolmJ - 09/12/2016
Hi guys, here's a pic of my newly finished Mamselle, all ready for a Vic Smeed event next year 😊 Beautiful little plane, powered by a redfin .030 [more pics 004].
PaulM - 15/11/2019
Hello, Please when and where is the Vic Smeed event going to take place? Thanks.
Eduardo - 16/11/2019
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