Sky 120 LMA Trainer

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Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:20 pm

Left Wing

Hardwood strip glued onto the main spar, used some scrap 3/8 sq strip to keep the main spar straight.
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Starting to make a jig for the left wing to straighten the main spar.
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Last edited by Geoff McVey on September 8th, 2018, 2:24 pm, edited 1 time in total.

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:21 pm

Left Wing

This photo showing how much bend there is in the main spar.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:26 pm

Left Wing

More scrap 3/8 sq strip to keep the wing ribs staright and in place.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:28 pm

Left Wing

Wing ribs W2 to W14 glued in place, false LE and TE dry test fitted, no issues, also dry test fitted a tube for the servo leads.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:30 pm

ZG38 SC Silencer

Arrive in the post a few days ago, thanks Mike.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:33 pm

ZG38 SC

Standard silencer removed, ready to fit the new one.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:33 pm

ZG38 SC

Parts ready to fit the new silencer.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:37 pm

ZG38 SC

New silencer test fitted, no issues.
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View from the top.
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View from the bottom.
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Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 8th, 2018, 2:38 pm

ZG38 SC

View from the side, no issues.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:27 pm

Left Wing

All wing ribs except W1 glued in place, false LE, TE dry test fitted.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:29 pm

Left Wing

Top hardwood strip glued in place on top of all wing ribs, only a light sanding in places was needed.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:35 pm

Left Wing

Box for glass spar glued together with 30 min epoxy, then the glass spar was test fitted with no issues.
Image

Only a light sanding in places was needed.
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Test fitted, no issues.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:36 pm

Let Wing

Three webb pieces glued in place, only a light sanding was needed, a good tight fit.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:38 pm

Left Wing

Box for glass spar glued in place with epoxy, a good tight fit, only a light sanding was needed.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:40 pm

Left Wing

Servo box glued in place, this part was simple and easy to do, no sanding was needed.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:43 pm

Left Wing

Made a block of wood out of scrap 3/8" sheet and placed in between rib W1 and W2, this is for the male plug when both wings are placed together, this was glued in place with epoxy, once dry this is very strong and the wing can be lifted by holding onto this part only, though this would be a lot stronger when placing both wings together.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:48 pm

Tube, Elevator Servo Leads

I have made and glued in place this tube for the elevator servo leads, rear fuselage view.
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Front fuselage view.
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Full view.
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Last edited by Geoff McVey on September 20th, 2018, 10:47 pm, edited 1 time in total.

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:49 pm

Left Wing

Left wing now ready for covering with 2.5 mm sheeting.Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:51 pm

Left Wing

Top skin ready, only a small amount of cyano glue on my fingers lol.
Image

Geoff McVey
Posts: 199
Joined: March 29th, 2011, 3:17 am
Contact:

Re: Sky 120 LMA Trainer

Postby Geoff McVey » September 20th, 2018, 7:53 pm

Wings

Placed both wings together using the glass spar, a good fit when placed together, left wing still to be skinned.
Image


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