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Mam'selle.......

Mam'selle build blog - Kit cut by Falcon

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Danny Fenton08/11/2011 12:30:46
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I am going to build the Vic Smeed Mam'selle, the partial kit arrived this morning from Falcon, and is nicely cnc'd
 
Not sure about the details yet, was thinking of doing it electric, but if I can find a nice .5 diesel that would be better. Can't beat the smell of a diesel
 
So if anybody knows where I can pick up something like a Boddo Mills that would be great
 
Wooly cardigans at Greenacres, can't wait

 

Edited By Danny Fenton on 08/11/2011 12:31:07

Martyn K08/11/2011 13:45:29
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Mills .75 engine
 
 
and
 
 
genuine ones I think.
 
Martyn
Steve Hargreaves - Moderator08/11/2011 13:49:56
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A few old diesels on Ebay Danny, DC Merlins (0.75cc) & Spitfires (1cc) but they go for quite high prices.....some interesting Cox 049 diesel conversions on there too....£25 for a new motor.....
 
I'm thinking more sports-jackets-with-leather-patches-on-the-elbows as appropriate dress....
John Laird08/11/2011 16:21:25
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If your mamselle is the original 38" span vic smeed design, then the dart is more than enough power. I fly mine free flight at middle wallop 1066 rallies and the compression is turned well back and slightly rich to get that nice diesel burble and no screaming revs as it floats about in light winds ( or what passes for light winds these days ) . I wouldn't think another 2oz of light radio gear will need much more power.
 
see my photo album for a picture of the mamselles X1 , X2 and X3
Danny Fenton08/11/2011 17:35:20
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Thanks guys I was thinking of a .5 mills but not really wanting to fight with Ebay and the collectors. Anybody know whether the Boddo new ones are available still?
 
Sports jackets and patched elbows, wasn't that later on Steve

Mmm we will have to do some research on appropriate attire me thinks At least it isn't 70's quilted anoraks

Hi John its the original 36" jobbie.

So a couple of channels for Greenacres and turn them off for the Nats

Edited By Danny Fenton on 08/11/2011 17:36:33

Danny Fenton08/11/2011 18:07:37
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Quick google has turned up new .55 PAW for £57
 
So that may be the motor Unless somebody wants to sell me one they have hiding under the bench?
 
Cheers
Danny
Stephen Grigg08/11/2011 20:05:03
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Mamselle with .15 Thunder Tiger
Danny Fenton08/11/2011 20:55:45
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nice Stephen, what size is that?
 
well i stumbled on a perfect PAW .8 for £21
cheers
Danny
 
Biggles' Elder Brother - Moderator09/11/2011 00:13:41
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I'm fancying a PAW for the Elf - but can't quite convince myself - must try harder!
 
Regarding attire - buttoned up cardies shirt and tie surely? If its cold a gaberdine mac and a trilby - still with the shirt and tie of course, must keep the standards up!
 
BEB
Danny Fenton09/11/2011 00:32:12
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Not sure when the Mamselle was first published, might help to fulfil the model flying dress code if I knew, anybody know?
 
 
Danny Fenton09/11/2011 00:36:27
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Just spotted this shot of the Swindon model Aero Club in 1950
 

Cheers
Danny
Danny Fenton09/11/2011 00:40:29
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Or this from 1947...
 

Steve Hargreaves - Moderator09/11/2011 10:13:29
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Or these from 1978.......the height of Aeromodelling chic.....
 

Anorak, flares, SMAE cap, flares & Adidas trainers......& flares....
 

Oh & the model is a Matador with a Sabre 1.5cc Diesel.....
 
I'm intruiged though......if a 0.5c diesel will fly a Mam'selle then won't Mr Griggs TT 15 result in a rather..er...exciting model??
Danny Fenton09/11/2011 10:59:30
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I think they did a free plan a few years back of a larger 55" version of the Mamselle, hence me asking Stephen the size. I believe converted free flight designs are indeed a handful when overpowered. Though I don't know firsthand......
 
Flares and more flares.......
PatMc09/11/2011 11:47:19
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Posted by Danny Fenton on 09/11/2011 10:59:30:
I believe converted free flight designs are indeed a handful when overpowered.
 
I can vouch for that, if my Deacon is typical.
It's E-powered at 120W (70W/lb) which is about the same as a hot 1.5 diesel. At full throttle it has to climb steeply to prevent dutch rolling. Throttle back & it's fine. The Junior 60 is similar.
Danny Fenton09/11/2011 12:00:02
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Mmmmm I think that is something I have read a few times. A 36" model probably only needs 50W
I am hoping I have not overdone it with a PAW .8 the plan says a .5 Can you over/under prop diesels to reduce the power. The previous owner ran the PAW on a 7 x 6
 
PS is it worth doing a fast time lapse, or is anybody else doing a Mamselle and wants to follow along with a more sedate build? The kit and plan was £40
 
I am toying with either tissue and dope, or perhaps Litespan or Airspan.
 
Cheers
Danny
Steve Hargreaves - Moderator09/11/2011 12:00:42
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Yeah seconded Pat.....I have an electric Mini Tyro which had 100watts in it & it wasn't nice to fly.....opening the throttle quickly made it try & roll.....propping down to 50watts made it much nicer......
 
I prefer my diesel version though.....
 

Steve Hargreaves - Moderator09/11/2011 12:09:24
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Hi Danny...yes you can change the prop on a diesel & alter its running characteristics quite a lot......varying the compression effectively alters the ignition timing so you can retard it & run a big prop slowly or advance it & run a small prop quicklly......relatively speaking.....
 
A big fine pitch prop is the way forward though.....the bigger prop will act as a flywheel & help the starting. The big diameter will provide plenty of low speed waft (technical term!) & the low pitch will keep the speed down.
 
The engine in the tyro is a 1cc diesel & it spins an 8x4 very happily.....I've even stuck a 10 x 6 on it for a laugh on the test bench & it ran fine. If you get the PAW 0.8 then I would start with an 8x4 & experiment from there....maybe a 9x4 would be nice......
 
Remember that small diesels & small props equals bitten fingers........
PatMc09/11/2011 12:22:58
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You can also fit the normal size prop on reversed making it less efficient thus giving less power.
mal brewer09/11/2011 12:25:00
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Posted by Danny Fenton on 09/11/2011 00:32:12:
Not sure when the Mamselle was first published, might help to fulfil the model flying dress code if I knew, anybody know?
 
 
Hi Danny,
'mam'selle' was published as a free plan in 'aeromodeller' Christmas issue either 1956 or 1957,not quite sure which year,I built one from the plan while I was still at school,which was Merlin powered,just completed another,with a Boddo Mills 75 in........................cheers,Mal.

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