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Mark's Ballerina MK1

A pretty standard build, Saito FA40a powered

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Piers Bowlan06/10/2017 08:32:22
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915 forum posts
19 photos

Beautiful workmanship Mark, impressive stuff. yes

I can see the TN Hawk being very popular but with the EDF/ESC, retracts and LiPos, it's quite a pricey project. I have some 6s LiPos so may go for a lightweight version at some stage, but not in the middle of a house move! Looking forward to your build blog.

By the way, did you make a start on the Denis Tapsfield Grumman Cougar you mentioned a while back?

Edited By Piers Bowlan on 06/10/2017 08:39:28

Mark Elen06/10/2017 11:38:41
207 forum posts
347 photos

Hi Piers,

Thanks for your kind comments and I hope the house move is not too stressful. The Cougar has gone on the back burner for now, its still on the build list but after seeing Tony's small Hawk, I was in two minds about building that before the Cougar. As soon as I saw the bigger version, my decision was made. You're right about it being pricey.

I've also got the plan for a Scottish Aviation Bulldog that I bought the Fibreglass Cowl and the Canopy for back in the 80s, back in the MAP days. I have visions of that with the Swedish Splinter Camo Scheme - now there is a challenge.

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I fancy having a go at that with cloth and poly-c to learn something new, then spray and mask after scaling the masks above up.

Too much to do.. so little time. Really that is my next five years of modelling mapped out.smiley

Cheers

Mark

Edited By Mark Elen on 06/10/2017 11:42:05

Edited By Mark Elen on 06/10/2017 11:44:41

Mark Elen06/10/2017 17:33:20
207 forum posts
347 photos

I had the day off work today, so after spending most of the day working on the bathroom, I managed to get the other bottom half of the wing covered.

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Another couple of hours should see the top covering done. I still need to do some work on the Fuz before it's ready for covering but that's for another day.

Cheers

Mark

Mark Elen06/10/2017 22:51:06
207 forum posts
347 photos

A few more photos from tonight:

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That's the wing wiring plug done, just needs the connectors on each end.

Cheers

Mark

Mark Elen08/10/2017 16:42:11
207 forum posts
347 photos

Another hours worth of covering today and I've made a bit of a mess of it. Looks like I've picked up a sliver of the blue under the white. I really should clear my bench more often when covering.

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Cheers

Mark

Mark Elen09/10/2017 18:33:45
207 forum posts
347 photos

Today at work I've been racking my brain as to how that sliver of blue got under the covering and if it was worth either cutting and trying to remove it or taking all of that section off and re-doing it.

It suddenly hit me, the last job on the bench involved black heatshrink and I had to cut a tiny sliver off. Yup, that is definitely where it went😁

Anyway, I've managed to resist the OCD urge to recover that panel and it will have to do.

I'm pretty pleased with how it's finished up and it all seems to line up pretty well too.

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Cheers

Mark

McG 696909/10/2017 18:51:45
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1503 forum posts
663 photos

Great job, Mark.

I'm afraid your OCD is even worse than mine, but then quite relieved that you managed to resist...

Anyway, Peter can only be very envious the way you made your scallops to perfectly match the wing ribs. yes wink

Cheers

Chris

Peter Miller09/10/2017 19:16:41
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8462 forum posts
971 photos
10 articles

Very envious as I have already said!!

Mark Elen09/10/2017 20:25:55
207 forum posts
347 photos

Hi Gents,

Many thanks for your generous comments.👍

There is around 10 hours work there. After lots of ideas and at one point deciding not to do the scallops, a plan was formulated and drawn out using the pencil in the circle cutter. The blue was pretty easy to cut out, the White was a little harder as I couldn't see the circle centres through the covering. I ended up trimming the white back to reveal the centres then it became much easier. I just used the circle cutter with the point straight through the plan and into my plasterboard building board.

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I'm still amazed that it all lined up so well. One or two of the scallops are not exactly central on the ribs, but they are pretty close.

I'm glad now that I decided to go have a go at this, it has pushed me to learn something new and for that, Peter, I am most grateful👍

Cheers

Mark

Geoff Sleath09/10/2017 21:02:42
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1950 forum posts
108 photos

It certainly puts my Ballerina to shame. A really great job. My consolation is that mine , rough and ready as it is in comparison to yours, flies really well. Yours is likely to fly like a dream it's so accurately built.

Geoff

Mark Elen12/10/2017 22:17:16
207 forum posts
347 photos

Hi Geoff,

Many thanks for your kind comments. Your ballerina looks great👍 We have yet to see how mine flys, it might be all show and no go😂

I've been pottering tonight, a little here and a little there. Made up one of the extension lead ends and covered one of the servo boxes.

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Cheers

Mark

Peter Miller13/10/2017 07:55:56
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8462 forum posts
971 photos
10 articles

Looks Oh so neat!

I have yet to hear about a Ballerina that didn't fly well . Well there was one but once the CG was in the right place it did.

Mark Elen13/10/2017 10:04:50
207 forum posts
347 photos

Thanks Peter👍

I've been plodding along this morning, but now I've got to go to work😞 Got the wing almost finished, both servo boxes are now covered, servos in and extension lead finished and tested, just need to hinge the ailerons and make up the control rods and it is done.

I had already shortened the servo leads so that there wasn't a load of lead to loose in the servo box, the extensions got pushed through the tubes with the pins sticking out of the connectors before the connector plate was pushed onto them, as the connector plate was too big to fit through the tubes.

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Cheers

Mark

Peter Miller13/10/2017 10:37:09
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8462 forum posts
971 photos
10 articles

Very nice.

Just my personal preference but I like to use 1/2 paper tubes and extend the servo lead from servo to root without a break. but then I fit the Y lead atthe root.

Having said that, as most people will know I still like the central servo and bellcranks out in the wings.

And before anyone says "But if one servo packs up you still have one," I have news for you, trying to fly an aerobatic type model on one aileron will end in a nasty accident.

Mark Elen13/10/2017 10:55:59
207 forum posts
347 photos

Thanks Peter,

I've got to admit that I did think about doing it that way and I don't like adding connectors for the sake of adding connectors. My reasoning is that should one of the servos fail, it will be a pretty easy solderless job to replace it, even if the excess cable gets stuffed in the servo box. Plus, I wanted to prove the concept as the plan that I'm formulating for the next build involves 4 servos in the wing, plus 2 retracts, I'm hoping to achieve this with 2 pairs of multiplex connectors, one set green and one set red. We will see how that works out in the fullness of time😁

Regards

Mark

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