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DB Tiger Moth 58"

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andy paterson30/01/2017 14:56:41
60 forum posts

Hi all

I have a kit from Dbsportandscale of tiger moth 58" wing span, it's the old version with solid tail feathers, on the box 40 to 50 engine would a saito 62 four-stroke fly this ok or should I go for a larger engine

Thanks all

Denis Watkins30/01/2017 15:01:29
4334 forum posts
104 photos

Technical Data:
Scale -1:6
Span -147cm (58"
0.40- 0.60 4strokes. 0.30- 0.50 2 strokes, or electric.
Weight -2.5kg (5.5lb)
Channels- 4Engines -.30-.50 2 or 4stroke
Wing chord =9"
Wing area (active) =7sq/ft
Wing 'G' test =6+
C/G point,4" (100mm) from L/E top centre section.

Denis Watkins30/01/2017 15:02:51
4334 forum posts
104 photos

tigermothcowl (1).jpg

Former Member30/01/2017 15:42:37

[This posting has been removed]

andy paterson30/01/2017 15:51:22
60 forum posts

Hi Percy

Is the new kit any better than the old one

Andy

PS will stick with the 62 engine

Jon - Laser Engines30/01/2017 16:46:57
5422 forum posts
263 photos

Yup, the 62 will be more than man enough. use a 13x5 or 6, or 14x5 for good thrust without the top end speed.

Former Member30/01/2017 20:59:09

[This posting has been removed]

Former Member30/01/2017 23:57:14
3577 forum posts

[This posting has been removed]

Andrew Mawman31/01/2017 08:58:14
29 forum posts
2 photos

i have a old version and it has more than enough power with a OS 52 FS fittedimg_0262.jpg

Manish Chandrayan31/01/2017 09:35:58
avatar
631 forum posts
73 photos

62 will be a good choice for the older kit. Mine is awaiting some repairs and install of Saito 65 instead of the Magnum 52 that was powering it.

With 62 you may be able to do away with some nose weight that may have been required with a lighter and lesser displacement engine. Plus the additional power (in reserve is always welcome)

Martyn Johnston31/01/2017 11:19:46
avatar
811 forum posts
249 photos

I built the DB S&S Cirrus Moth (same size; 58" a while back.

Fantastic plane to build; loved it - (Link here if you're interested).

I put a new Saito 72 FS in it. Oversized I know, but you don't 'have' to fly on full throttle do you.

And it need no lead up front at all; balanced perfectly.

Geoff S31/01/2017 12:33:43
3590 forum posts
14 photos

I'm sure the Saito will be more than adequate. I think it'll probably take off comfortably of not more than half throttle.

My heading picture is of the very kit you have, however mine is electric on 4S. I had it given to me part finished but the builder, whilst very neat, wasn't an experienced aeromodeller (this was his first build) so there were a few errors to correct. I replaced the solid tail feathers with built up to get the weight down at the back. Even so, I've had to add lead. I would recommend you do the same.

I have a new 58" Cirrus Moth kit which is next in the queue after I complete my Mew Gull. Unfortunately I'm in an aeromodelling hiatus right now (ie I've lost some interest) and come to an abrupt stop so it'll be a while for my Cirrus sees flight but it will.

Geoff

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