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Oodalally - Build Log

Using home-made Laser Cutter

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christophe dauvergne11/11/2019 08:56:14
8 forum posts

Hi Geoff

i don’t think build a log but why not

I’ll would like make my laser machine in first time to cut parts of woods

christophe

Geoff Gardiner11/11/2019 11:34:51
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424 forum posts
733 photos

 

As I am building the Oodalally for electric power, I needed to alter F1 so that the battery can pass through it to help with obtaining the correct CofG without (hopefully) having to add extra weight up front.

I swapped out the laser for my dremel and cut out these parts:

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Here is the machine in action:

 
 
I didn't get the measurements spot on, so it needed a bit of fettling to put together:
 
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More Later...

Edited By Geoff Gardiner on 11/11/2019 11:37:04

Edited By Geoff Gardiner on 11/11/2019 11:47:07

Peter Miller11/11/2019 13:24:02
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10320 forum posts
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That is very neat. Beats my power jigsaw

Geoff Gardiner12/11/2019 13:32:58
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424 forum posts
733 photos

Thanks Peter. I'm still tweaking the settings but I think it is going to be very useful.

Started on the fuselage this morning:

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More later...

christophe dauvergne12/11/2019 13:58:42
8 forum posts

Hi Geoff

Have you forgotten me

Christophe

Geoff Gardiner12/11/2019 17:51:45
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424 forum posts
733 photos

Christophe, I have sent you a PM.

Geoff Gardiner16/11/2019 18:51:12
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424 forum posts
733 photos

Fuselage is coming along:

img_4516.jpg

Battery tray.

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Cockpit.

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Battery hatch.

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Luckily the bit that remained when I cut out the motor mount sides, was just right for making a servo tray.

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More later...

Peter Miller16/11/2019 18:57:56
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10320 forum posts
1231 photos
10 articles

That was a bit of luck!!

Geoff Gardiner19/11/2019 15:13:58
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424 forum posts
733 photos

Battery hatch is Tack glued to the fuselage (with a couple of small drops of cyano) to allow planing and sanding to shape.

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spacers and tail fairings tack glued and planed / sanded to shape.

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Next, made a start on the removable cowl.

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More later...

Peter Miller19/11/2019 16:37:01
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10320 forum posts
1231 photos
10 articles

Hi Geoff.

Have a look at my Stampe build to see how I do the tail fairing blocks.I know it is a little alte for you this time but it works really well

Geoff Gardiner20/11/2019 10:33:06
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424 forum posts
733 photos

Hi Peter.

Thanks for the input.

I was half way there, got the spacer for the tailplane but not the fin!

Geoff Gardiner20/11/2019 21:59:21
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424 forum posts
733 photos

Today's progress:

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More later...

Geoff Gardiner06/12/2019 23:03:01
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424 forum posts
733 photos

I've got the wing servos sorted and have paused whilst I ponder / designed the colour scheme.

img_4545.jpg

And am now starting the covering. I'm using HobbyKing film.

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More later...

Peter Miller07/12/2019 08:30:43
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10320 forum posts
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THat is looking very good indeed.

Now that Solarfilm is on its way out I am finding that the Hobbyking film is very good. If/when you can get the colours one wants.

Edited By Peter Miller on 07/12/2019 08:32:29

Peter Miller07/12/2019 08:30:44
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10320 forum posts
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For some reason my eited post was put up again

Edited By Peter Miller on 07/12/2019 08:33:04

Geoff Gardiner07/12/2019 10:14:54
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424 forum posts
733 photos

I haven't had much experience with iron on covering as I usually use glass fibre and paint for finishing my models.

I am still yet to master the correct techniques for covering the wing tips.

Peter, what temperatures do you set your iron for sticking and shrinking the hobbyking film? I am wondering if I am not going hot enough when trying to pull and stretch over compound curves.

Peter Miller07/12/2019 10:30:51
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10320 forum posts
1231 photos
10 articles

Hi Geoff

I use the maximum setting for Hobbyking covering. That is on the normal standard covering iron.

The secret of covering compound curves is to pull the covering while heating it and then pull it down.

With a bit of practice it is amazing just how much of a compound curve you can cover.

Admittedly Solarfilm was a little better in that respect but the hobbyking stuff is pretty good especially on Oodalally which has few really tight compund curves

This cowl was covered with the HK stuff. Looks good from a few feet off

19.jpg

stampe sr-7.jpg

Geoff Gardiner07/12/2019 15:03:55
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424 forum posts
733 photos

Thanks for that nugget of information Peter.

I was being too conservative with the heat for the wing tips - cranked the dial right up and BINGO.

Peter Miller07/12/2019 18:25:56
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10320 forum posts
1231 photos
10 articles

Glad that got it sorted

Geoff Gardiner07/12/2019 18:40:54
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424 forum posts
733 photos

Wing coming along.

img_4549.jpg

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