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DB Major Mannock

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Nick Cripps03/11/2020 19:25:00
98 forum posts
65 photos

Excellent project by the way, John.

You and Brian have done a great job.

cymaz03/11/2020 19:36:03
9463 forum posts
1246 photos



cymaz08/11/2020 17:49:05
9463 forum posts
1246 photos

She’s off the healing bench and on her own legs





Edited By cymaz on 08/11/2020 17:49:39

cymaz08/11/2020 18:13:49
9463 forum posts
1246 photos

One more. I hope you can just make out the fuel fill overflow under the starboard rocker cover. The pictures aren’t very clear as the light was bad


cymaz22/11/2020 14:18:27
9463 forum posts
1246 photos

Her ladyship now resides in my garage. The weather is too dark when getting back from work to assemble it in the evenings. Next weekend it will all be put together if the weather holds. We’ll then run the engine up again.

That’s a 26x10 Aerostar prop on the bench


Edited By cymaz on 22/11/2020 14:20:33

Dwain Dibley.22/11/2020 16:33:30
1588 forum posts
1562 photos

Looking great Cymaz.

What are those aerostar props like then ?, I always use Falcon Props on the bigger stuff. Mind you, having just checked, the Aerostars come in under half the price.


cymaz22/11/2020 17:03:37
9463 forum posts
1246 photos

Aerostar prop are good. Very little if any balancing needed and a lovely varnish finish. Several club mates have started using them.

flight122/11/2020 17:48:15
750 forum posts
37 photos

looking good there Pete, Brian has done a great job looking forward to see it aloftyes

and I concur that those aerostar props are good too, nice and efficient profiles.

cymaz28/11/2020 14:48:00
9463 forum posts
1246 photos

Thank goodness Mrs C has a large kitchen. Finalised the rigging and doing the cg



cymaz28/11/2020 15:22:05
9463 forum posts
1246 photos

Checked CG, sits level at plan @ 143mm. RCPlanes cg calculator says 160mm

Total weight : 12.8kg / 452oz

Total wing area of two wings : 3008”sq

wing cubic loading of 4.7 ( trainer loading) or 22oz/ sq ft ( 1 1/2 lbs per sq ft)


Have I got the maths correct!

Edited By cymaz on 28/11/2020 15:22:33

Geoff S28/11/2020 15:58:44
3914 forum posts
62 photos

Actually, I think it's slightly better than that.

3008" sq = 21' squ (actually slightly less at 20.88)

and weight = 452/16 = 28.25 lbs

so wing loading = 28.5/20.88 = 1.36 lbs/squ ft

But not a small model - in fact officially a large one

Looks good - let's hope it looks even better in the air.


Edited By Geoff S on 28/11/2020 15:59:36

jrman28/11/2020 16:03:03
427 forum posts
3 photos



Edited By jrman on 28/11/2020 16:05:11

cymaz28/11/2020 16:49:50
9463 forum posts
1246 photos

Now going to finalise the paint masks from Flightline Graphics. Nigel W has been a great help.

jrman....the tail is level at the current 143mm cg. 

Edited By cymaz on 28/11/2020 16:54:57

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