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Citabria Pro (1/8 scale)

A 48", parasol-winged, aerobat.

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Tim Hooper21/03/2013 22:55:16
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2809 forum posts
2346 photos

Now here's a novel way to waste an evening......

The original Citabria features a very prominant, central headlight mounted just under the spinner. So I thought it would be easy to make my own 1/8 scale copy. After all, how hard could it possibly be?

So I mounted an illicit raid on Netty's tool cupboard, and came up with her punch block. Now it seemed a good idea to maximise my chances of success by making more than one light, and six seemed a nice round number.

So here's a scrap of nice shiny ali sheet, all ready to get punched.

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Slide the sheet into the block, insert the punch, and belt with a hammer.

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Six thuds later.

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This doming block is a work of art in itself. It's beautiful. Alongside are a selection of doming punches.

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So pop an ali disc into the block, and gently tap with a punch.

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The result is six little (10 mm) ali dishes. Next step is to CA a tiny silver bead into the centre of each dish to replicate the bulb itself.

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Now here's where I went slightly wrong. I used a gobbet of 5 minute epoxy to act as the light lens itself.

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Really ,I should have used a slower epoxy to give all those little bubbles time to escape. Never mind, eh?

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Anyway, here's the best of the lot mounted in the central recess.

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tim

Ian Easton22/03/2013 01:03:37
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60 forum posts
104 photos

Nice touch with the light. I like assortment of metal bashing tools you have acces too. I never knew such things existed. That dome block looks like a work of art in itself.Great - more stuff to buy. Drilling the back of the light out and putting in a little LED might be worth a thought.

Ian

Danny Fenton22/03/2013 03:13:48
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8419 forum posts
3417 photos

looks great Tim, was that your detailitis flaring up again? keep rubbing on the cream.....

Martian22/03/2013 10:11:25
1697 forum posts
830 photos

lovely work Tim, do you know I had hold of 1 of those dome blocks years ago never knew what it was for now I do I haven't got it

Tim Hooper22/03/2013 21:07:05
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2809 forum posts
2346 photos
Posted by Danny Fenton on 22/03/2013 03:13:48:

looks great Tim, was that your detailitis flaring up again? keep rubbing on the cream.....

Thanks Gents!

Hi Danny! How's it going in Wichita?

I think my own variant of ''detailitis' is no where near as serious as yours. I'm happy to put in a minimal amount of effort to get a distant resemblance to the real thing, whereas your's is slightly more acute....

tim

Danny Fenton22/03/2013 22:28:23
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8419 forum posts
3417 photos

Wichita is good, aeroplane capital of the world apparently, with quite a few manufacturers hiding here, Lear, Beech, Cessna and Boing lol

I have moved beyond cream, and even injections, I should perhaps try a herbal remedy? smile o

cheers

Danny

Tim Hooper26/03/2013 21:28:02
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2809 forum posts
2346 photos

'tis done! teeth 2

48" span.

2lb 14oz

16 oz/ft

Around 400 watts......

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Lindsay Todd26/03/2013 21:33:21
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1655 forum posts
1627 photos

Very very nice work Tim as usual, look forward to seeing this in the flesh at Greenacres

Linds

Plummet26/03/2013 21:37:34
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1328 forum posts
40 photos

Tim,

Looking at the headlight. You could have drilled and inserted a LED instead of your bead.

Plummet

Dale Gibson26/03/2013 22:22:24
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123 forum posts
26 photos

I have enjoyed following your build Tim and have to say that the finished item looks stunning...thumbs up

Dale.

Pete B - Moderator26/03/2013 22:26:16
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Moderator
7370 forum posts
698 photos

Super job as usual, Timthumbs upsmile

Pete

Tim Hooper26/03/2013 23:37:29
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2809 forum posts
2346 photos

Thank you Gents!

Looks like the Pro will have to be patient until the weather decides to catch up with the season....

tim

Ton van Munsteren27/03/2013 00:04:51
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1246 forum posts
3257 photos

Tim,

Lovely modelyes great job cool and great pics smileywhat can I say morewink.

Ton

Danny Fenton27/03/2013 02:12:53
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8419 forum posts
3417 photos

Looks fabulous Tim, you have done a lovely job on this one.

cheers

Danny

Tim @ ModelMarkings.com27/03/2013 08:02:13
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437 forum posts
198 photos

Fantastic job, good luck with the maiden, I am sure it will fly as good as it looks

Tim

Martian27/03/2013 09:51:42
1697 forum posts
830 photos

love it Tim it looks brilliant

Tim Hooper29/03/2013 13:23:15
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2809 forum posts
2346 photos

Soooo......this morning was cold and windy, but the sun was out and the chance was to good to miss. So off to the field then!

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Range checked, so no alternative but to connect up the battery pack and go for it!

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Netty snapped the climb out. A couple of clicks of right aileron trim saw the Pro flying hands orf.

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I gave the Netty the tranny and she held the model in circuits whilst I grabbed a few pics. She's more than happy with it anyway.

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I finished the flight with a few basic aerobatics (on low rates) - loops, rolls and a stall turn before a gentle, slow touch down back on the strip. Lovely! Ample power - maintains height at less than half throttle.

Cold fingers, and back home for coffee.

timsmile d

Edited By Tim Hooper on 29/03/2013 13:24:34

Jim Carss29/03/2013 14:41:48
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1953 forum posts
31 photos

Another cracker Tim,you must be well chuffed. yes

Lindsay Todd29/03/2013 17:58:58
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1655 forum posts
1627 photos

Very nice Tim, thats a nice looking flying strip you have there as well, ours is a marsh currently after the snow this week. Linds

Tangental29/03/2013 18:13:43
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123 forum posts
4 photos

Tim "Sixpence, half a crown, sixpence, half a crown, 3 months building, 3 months building, 3 months building! AAaaaaaaaaaaaaaahhhh!yescool Supremo!

Erfolg Usual rambling points of interest, picking the bones out of that lot, I think you should use your immense knowledge and experience to produce the perfect self design electric flyer based on any aircraft you like. I for one would love to see your build blog.laugh

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