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A tiny scale plane

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19 May 2013 14:11 - 19 May 2013 14:12 #61 by Quorneng
Replied by Quorneng on topic A tiny scale plane
Its ever so black and its getting close to its maiden! :P

Just the control surfaces to connect and fit the battery at an appropriate CofG.
The rest of the painting can wait.
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Last edit: 19 May 2013 14:12 by Quorneng.
Thanks: Eric, Klipkopwildlife, blue123, old fart

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19 May 2013 15:47 #62 by Eric
Replied by Eric on topic A tiny scale plane
Just make sure you can identify top from bottom when it's a distant silhouette!
One of the guys watching my U2 in the air said he couldn't tell which way up it was, or which way it was going, because it was just a black cross. (He admitted his eyesight wasn't 100%, though).

if you are calm and collected when all about you are going berserk - you've missed something important!

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20 May 2013 00:21 - 20 May 2013 00:31 #63 by Quorneng
Replied by Quorneng on topic A tiny scale plane
Yes orientation could be an issue but I hope the twin booms will help a bit.
At least to start with I will not left it get very far away at all. ;)
Last edit: 20 May 2013 00:31 by Quorneng.

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20 May 2013 17:02 - 20 May 2013 17:03 #64 by Quorneng
Replied by Quorneng on topic A tiny scale plane
Controls all connected up and battery mounted to give a 25% CofG (on the spar).

The radio box is white Depron so you can easily see the LED - which hopefully will not be flashing. ;)
Even without the bracing struts it easily passes my wing tip test so it is ready - but I am not sure I am. :ohmy:
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Last edit: 20 May 2013 17:03 by Quorneng.
Thanks: Eric, Klipkopwildlife, blue123, old fart

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21 May 2013 22:08 #65 by Quorneng
Replied by Quorneng on topic A tiny scale plane
21:15 hrs this evening just a gentle breeze - it flies! :P
Nothing too dramatic just one flight as it was getting rather dark (video out of the question) although it actually stood out well against the high cloud.
Flies pretty slowly so a glide landing no problem.

It does indeed go vertical with ease when both are at full power and it climbs quite nicely on one. It even glides passably well even with the props wind milling as the brake is not on.

Now I have to finish the painting.
Thanks: Eric

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22 May 2013 20:23 #66 by Quorneng
Replied by Quorneng on topic A tiny scale plane
The night version of the O-2 appeared to have a 'stencilled' USAF star in one colour - red.
This is the best detail I have found.

I have no idea if this will work but I am going to try and make a stencil.

Terribly fiddly to cut out. The one for the fuselage will be even smaller.

Perhaps it would be easier just to by some normal USAF decals!
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Thanks: Eric, Klipkopwildlife

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23 May 2013 15:54 #67 by Quorneng
Replied by Quorneng on topic A tiny scale plane
My first experiment with the stencil using red emulsion and a stiff brush on a grey Depron test piece.

I was not entirely happy with both the quality of the finish and the fact that once applied it would be almost impossible to remove from the black emulsion paint on the plane.
So I reverted to using the stencil but with a red spray paint on sticky backed plastic.

Of course the paint would dissolve the Depron if it were applied directly!
Still not ideal as both the plastic and the paint have a much higher gloss finish than the rest of the plane but I will live with for now..
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Thanks: Klipkopwildlife, old fart

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24 May 2013 09:43 #68 by Quorneng
Replied by Quorneng on topic A tiny scale plane
The wing underside decal.

Slightly better this time. I might redo the top one.

Made a start on the windows - decided pale grey looked best - with the paper cut out as a guide.

The extra low down windows are only on the other (pilots) side.
A few more bits of red, mainly prop warnings, to do.
Then that smaller 'star and bar' mask for the fuselage, :huh: and finally the wing struts. :P
Hopefully the current Arctic weather (in 3 weeks the days start getting shorter again :woohoo:) will be annoying somewhere like Norway by then!
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Thanks: Eric, Klipkopwildlife, blue123, old fart

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25 May 2013 00:36 #69 by Quorneng
Replied by Quorneng on topic A tiny scale plane
This really was fiddly to cut out!
The smaller fuselage stencil.

At this size it seemed sensible to make the stencil support links just a bit wider.
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Thanks: Eric, Klipkopwildlife, old fart

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25 May 2013 11:31 #70 by Quorneng
Replied by Quorneng on topic A tiny scale plane
Very nice this morning so here's a video of its second flight.

Still unfinished (no wing struts :ohmy: ) so 'safe' flying and nothing too dramatic.
I edited out most of the bits where it was just gliding but nevertheless for a scale power model it does a pretty good impression of a powered glider. ;)
Thanks: Eric, blue123

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28 May 2013 10:59 #71 by Quorneng
Replied by Quorneng on topic A tiny scale plane
The fuselage Star is done.

I have just realised it is not on quite straight! :ohmy:
I would have done more 'decorating' but it was absolutely still this morning, touch of drizzle but nevertheless still.
So the Cessna went for 'loitering' flight using 'just the one' with the HK altimeter on board.
I wanted to check its visibility at height so I let it gently continue climbing. Black against a completely overcast sky is actually very good indeed. I could have gone quite a bit higher but the cloud base looked quite low..

It was definitely not at the LVC but the drizzle had turned to light rain. The DX6i and I were getting rather wet :woohoo: so I called a halt.
Nearly 29 minutes is not bad.
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Thanks: Eric, Klipkopwildlife, blue123

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28 May 2013 17:15 - 28 May 2013 17:43 #72 by Eric
Replied by Eric on topic A tiny scale plane
By the time I got back from the grocery run (usually a monday task) it was peeing down.

This might be of interest, Simon -

www.grubby-fingers-aircraft-illustration..._337_walkaround.html

if you are calm and collected when all about you are going berserk - you've missed something important!
Last edit: 28 May 2013 17:43 by Eric. Reason: added a comment
Thanks: Quorneng, blue123, old fart

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28 May 2013 20:53 #73 by Quorneng
Replied by Quorneng on topic A tiny scale plane
Thank you Eric
It is actually very useful as I was not sure how the cooling air exited from the front engine. Conveniently there was a nice close up of the adjustable flap that surrounds each exhaust pipe.
Unfortunately it is detail that is not easy to model on a belly lander!
Thanks: Eric

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28 May 2013 22:27 #74 by Eric
Replied by Eric on topic A tiny scale plane
Caliph posted this in the chatroom, earlier -
If any of you's is into foamy building and use Depron have a look at their website www.depronfoam.com, they do 3mm and 6mm at less than 2.60 a sheet and less than a fiver courier delivery...

if you are calm and collected when all about you are going berserk - you've missed something important!
Thanks: Quorneng, blue123

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31 May 2013 22:23 #75 by Quorneng
Replied by Quorneng on topic A tiny scale plane
Now more or less complete with prop warnings and the wing struts fitted.

The wing struts are structural (glued to the wing spar and fuselage former) but are weak enough to simply snap off if they snag on something during landing.
If the wind is light enough I might take it and the Natter to the Bury scale fly in.
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Thanks: Eric, Klipkopwildlife, blue123, old fart

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