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DW models Astro Junior .

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Rob Fairweather 125/03/2020 09:51:05
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120 forum posts
11 photos

img_0035.jpgWhilst looking for kits to build during this necessary home isolation period (after bagging a Flair Harvard kit on eBay ) I came across this pretty little thing on the 4 Max website. A 'modern' laser cut tribute to the Astro Hog at 1400 span, and designed for electrickery.

the smallest kit box arrived, with a bewildering amount of superb laser cut bits inside, plus wheels and some hardware. In a separate box was the 4 max recommended motor, servos and Super'phatic for the build.

anyone who remembers Pilot or Marutaka kits as being lovely 'jigsaw' type builds, hang on to your hats . . . . You ain't seen nothing yet !

Day 1 saw the obligatory studying of drawings and photo build explanations ( needed for the numbers on the many bits). Then work commenced.

Rob Fairweather 125/03/2020 09:53:32
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120 forum posts
11 photos

img_0036.jpgI'm a convert to the joys of Super'phatic now

Rob Fairweather 125/03/2020 09:56:54
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120 forum posts
11 photos

img_0037.jpgDay 2 saw the fuselage built, less a bit of sheeting, and the tail feathers added, what a pretty thing she is .

Edited By Rob Fairweather 1 on 25/03/2020 10:05:21

Matt Theron25/03/2020 09:59:33
80 forum posts

This is looking so good Rob!

I will be following all your posts as I have one for a later build - ENJOY!

Shaun Walsh25/03/2020 10:58:26
307 forum posts
49 photos

Looking good, I should be receiving a Dancing Wings Space Walker plus associated parts from 4-Max today.

Rob Fairweather 128/03/2020 10:57:39
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120 forum posts
11 photos

img_0038.jpgAnother day and a bit more done. The cap strips and leading and trailing edge coverings are pre laser cut, makes for some interesting lining up problems as the cut outs are a bit big, but . . . . They all go together.

Rob Fairweather 101/04/2020 12:21:58
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120 forum posts
11 photos

img_0041.jpgimg_0041.jpgimg_0041.jpgAnother couple of days, wings covered, capped and tips attached. No real problems other than the Pawlina ( never used that on a model before, though the fingerboard on one of my guitars uses it) trailing edge section is only butted against the trailing edge of the wing and one centre rib, I think a .8mm skin will be added underneath for peace of mind.

Nose sheeted and rough sanded, I needed a.8mm ply cap to be added to the fuselage sides to reach the hatch undersides, no big problem

Using the lesser angled dihedral brace ( still 4 inches under 1 tip) means the fuselage sides need a 1/8 fillet adding each side.

the hatch being skinned in the foreground will be assisted by a bit of water, one side is a nice bit of balsa, the other resembles a slice of woman's heart, so will need a bit of help. I added 4mm offcuts to beef up the centre longeron for gluing, also used the same offcuts to beef up the base to give a bigger glue area. The two long longerons were replaced with spruce 4mm square section to improve rigidity.

All in all a couple of days pleasantly spent.

Excuse the untidy board . . . . Halfway through this mornings antics.

Rob Fairweather 101/04/2020 12:23:15
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120 forum posts
11 photos

Apologies gents, no idea why this Luddite posted the pic 3 times !

Robin Kearney01/04/2020 13:34:08
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1080 forum posts
183 photos

Thats looking lovely Rob. I've always wanted to build an Astro Hog of some size, this is very tempting!

Jeffrey Cottrell 201/04/2020 14:28:14
93 forum posts
14 photos

Hi Guys

Prompted by this thread, I had a look on George's site to see what else was on offer. Struck by this.

Now that is pretty.

Anyone built one, comments, opinions?

Cheers

Jeff

fly boy301/04/2020 14:37:42
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3672 forum posts
22 photos

Great model. Years ago before flying mine I was on the "other forum" asking for some flying info for maiden. I was told go fly it. Apparently years ago,the result of a forum poll in the US on best flier, the Astro Hog won hands down. Cheers

Rob Fairweather 103/04/2020 08:38:13
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120 forum posts
11 photos

img_0043.jpgBattery hatch sheeted. In two halves. Gluing the centre 'joint' first, then the sheeting sponged, held over the shape with masking tape for 1/2 hour, then glued with super phatic and it all came out sweet.

i had to add facings on the fuselage/hatch to make it all line up nice, I used .8mm Birch ply. This also gives a better edge for covering film later, a nice crisp line that cannot be pulled out of shape.

I added 3/16 infills, between ply formers and longerons everywhere ( using the many offcuts from the kit) to give better purchase for the skins. The same treatment was given to the top longerons, where each half skin is to be glued. 

Im happy with the results so far, doubly happy because my Flair Se5a kit should arrive today ! 

Edited By Rob Fairweather 1 on 03/04/2020 08:39:44

Edited By Rob Fairweather 1 on 03/04/2020 08:44:46

Rob Fairweather 112/04/2020 18:19:18
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120 forum posts
11 photos

img_0052.jpgApart from a final rubdown, she is ready for covering.

I will have to make a pair of ailerons due to one of the supplied ones having a twist in.

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