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Tony Nijhuis Hawk - Build Log

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Peter Hammond 124/08/2020 21:06:04
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7 forum posts
1 photos

Hi all,

Interesting thread, I am also thinking of building one of these Hawks, although I'd buy the full kit and wood pack.

I'd like to go 6s with approx 3.7 Kg stated fan thrust at take off voltage, and I think a model weighing in at about 4.5Kg to 4.7Kg.

It will be really interesting to hear how yours fly.

Geoff Gardiner24/08/2020 21:41:05
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583 forum posts
966 photos

Hi Peter,

Are you going to do a build blog? I would like to see a 6s version built. I have built a few of Tony's models but can never seem to achieve the target weight - always comes out a pound or three heavy!

Martin, any chance of a picture of your alterations? - and good luck with the maiden.

Martin McIntosh25/08/2020 17:56:54
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3621 forum posts
1240 photos

hawk 001.jpg

hawk 002.jpg

hawk 003.jpg

hawk 004.jpg

Still a bit messy despite removing the lights controller but at least the wiring is as short as possible and the cg correct.

Peter Hammond 125/08/2020 21:20:41
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7 forum posts
1 photos

Geoff,

Yes I will do a build log for sure. I haven't built a plane since I was a child, that was a Precedent Hi-Fly 2. Recently I've been concentrating on helicopters, but I do have a Wot 4e that I fly about with. So this will be a challenging build for me.

Martin,

Nice photos, I look forward to hearing how your maiden goes.

Geoff Gardiner31/08/2020 17:17:44
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583 forum posts
966 photos

Thanks for the pics Martin.

Little bit more done on mine:

I made up some base plates for the air intakes and glued them on using canopy glue. Then made a paper template for the cutout, attacked it with the drill and sanded smooth.

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I have also 3d printed an exhaust ring and glued that on with canopy glue.

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More later...

Geoff Gardiner31/08/2020 17:19:21
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583 forum posts
966 photos

Looking at the pictures I might open up the air intake holes a bit more.

Martin McIntosh31/08/2020 19:26:01
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3621 forum posts
1240 photos

I think that I shall take the Dremel drum sander to mine again before I venture out with it.

Geoff Gardiner01/09/2020 18:12:51
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583 forum posts
966 photos

Re-inforced the wing join with some 225g/m2 glass fibre tape and epoxy resin (secured the ends with CA first).

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Will do the underside next with a slightly narrower strip.

More later...

Geoff Gardiner15/09/2020 21:01:03
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583 forum posts
966 photos

Some more bits done - Tailplane and Fin:

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More later...

Geoff Gardiner24/09/2020 10:04:34
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583 forum posts
966 photos

I've made a start on the covering. I probably should have gone down the 'iron on' route, because I know that weight is going to be an issue, but for a scale model I much prefer a paint finish.

img_1659.jpg

I think I am going to try and fly this one before painting and attaching the side air intakes / cockpit detail.

More later...

Geoff Gardiner01/10/2020 10:33:39
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583 forum posts
966 photos

Fuselage getting covered:

img_1677.jpg

More later...

Geoff Gardiner11/10/2020 23:21:29
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583 forum posts
966 photos

Last bit of glassing done this evening.

Most of the airframe was covered using epoxy. However, I have used Eze-Cote on the tail parts mainly because it is easier than trying to mix up small amounts of epoxy resin (and much quicker).

img_1713.jpg

More later...

Peter Hammond 112/10/2020 11:45:29
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7 forum posts
1 photos

Looking really good Geoff. Can't wait to hear about the maiden.

Geoff Gardiner21/10/2020 13:48:39
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583 forum posts
966 photos

In an effort to try and keep weight down as much as possible I thought I would have a go at using Feddy B's secret sauce. I have been weighing each part at different stages of the build and will post the results at the end if anybody is interested.

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More later...

Geoff Gardiner27/10/2020 09:37:33
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583 forum posts
966 photos

A few more bits done:

I have given the wing a coat of sauce and sanded back, also added the anti stall fins (which I nearly forgot).

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Installed the anti roll fins to the bottom of the fuselarge. I made a jig to help get the angle correct.

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I have also designed and 3d printed a pair of air intakes that will be fitted to the top hatch.

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More later...

Geoff Gardiner27/10/2020 20:33:36
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583 forum posts
966 photos

Painted some sauce onto the fuselage:

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I am going to need a bit of filler where the nose cone attaches to the fuselage.

More later...

Martin McIntosh28/10/2020 08:20:50
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3621 forum posts
1240 photos

What is the recipe for the sauce please? I have forgotten and cannot find it anywhere.

McG 696928/10/2020 09:04:03
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3456 forum posts
1320 photos

Hi Martin,

I've been using Freddy B's Sauce on my Bella Ballerina some years ago now.

If you visit page 43 of my build blog, there it is... yes

@ Geoff > yes please, if you have your notes at hand, I would be very interested in your parts weight progression...

Cheers & keep careful, gents

Chris

Martin McIntosh28/10/2020 10:19:22
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3621 forum posts
1240 photos

Thanks Chris, that is not where I saw it but shall look up the Ballerina.

Geoff Gardiner28/10/2020 10:43:37
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583 forum posts
966 photos

Hi Martin.

I am using roughly equal amounts of light weight filler, talc (baby powder) and water based varnish. Then add a dab of paint for colour and thin with a bit of water to a thick paint consistency.

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