Sky 120 LMA Trainer

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Geoff McVey
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Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 10:11 am

Thought would start this thread building the Sky 120 LMA Trainer, flickr account setup, I'm sure I will have many questions on different parts of the build process.

Geoff McVey
Posts: 128
Joined: March 29th, 2011, 3:17 am
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 10:17 am

Image

Geoff McVey
Posts: 128
Joined: March 29th, 2011, 3:17 am
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 10:58 am

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Have had a good look at both instruction manuals.

Geoff McVey
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 10:59 am

Image

Good strong U/C weighs 580g.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 11:02 am

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Tailplane, fin, rudder, elevators etc, all good quality light wood.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 11:05 am

Image

Sheet balsa for both wings, various strip wood, TE third stirp of wood down in the photo, some small damage to the wood which I think can be easly fixed, good strong wing joiner, not sure yet to make a one peice wing or build 2 halfs, laft and right.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 11:07 am

Image

Wing ribs and fuselage formers.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 11:10 am

Image

Main spar for the wings at the top of this photo are warped a little not sure the best way to make these flat.

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

Postby Geoff McVey » July 10th, 2018, 11:10 am

Image

Wing spar taken at a different angle.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 11:11 am

Image

Fuselage sides.

Geoff McVey
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 10th, 2018, 11:12 am

Image

Front fuselage parts.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 13th, 2018, 6:33 pm

Fuselage Step 1

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F1 and F2 right side fuselage, F7 and F8 left side fuselage sides glued together and secured in place.

Image

Good fitting after removing supported balsa.

Geoff McVey
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 13th, 2018, 6:44 pm

Fuselage Step 10

Image

Parts F31 glued to rear of fuselage both sides to F2 and F8.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 13th, 2018, 7:59 pm

Fuselage Steps 5, 6, 9.

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Parts F14, F17 glued to F1, parts F16, F19 glued to F2 right side fuselage.
Parts F15, F17 glued to F7, parts F16, F19 glued to F8 left side fuselage.

Geoff McVey
Posts: 128
Joined: March 29th, 2011, 3:17 am
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 14th, 2018, 9:42 pm

I have done a trail fit of both fuselarge sides together with F3, F4 and F13 fire wall, with the ZG38 being mounted upside down is F4 and F13 correctly positioned for the engine.

F4 view looking towards the tail.
Image

F13 firewall looking towards the tail.
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paul smith
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Re: Sky 120 LMA Trainer

Postby paul smith » July 16th, 2018, 7:23 am

nice :D

Geoff McVey
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 16th, 2018, 6:24 pm

paul smith wrote:nice :D


Thank you.

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 16th, 2018, 6:28 pm

Fuselage Step 4

Parts F27, F6 and ready to be glued together.
Image

Parts F27, F6 glued together, no gaps between the 2 parts.
Image

Geoff McVey
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 17th, 2018, 2:40 pm

This is part F5 which is glued to F3, F5 is where the fuel tank is placed on top of, what is or the best way to secure the fuel tank, by bungies where the 4 U bend slots are made or use velcro.
Image

Geoff McVey
Posts: 128
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Re: Sky 120 LMA Trainer

Postby Geoff McVey » July 17th, 2018, 2:44 pm

Feselage Step 8

Part F18 ready to Epoxy to part F3.
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Part F18 Epoxy to part F3 and clamped.
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