Pieter Visser

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Re: Pieter Visser

Postby whisper » Fri Apr 11, 2014 8:02 pm

Great! Was pretty sure you did but thought I'd just make 100% sure!
This job and the undercarriage box are the only back breakers. After that the composite work is all much easier! :D
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Re: Pieter Visser

Postby Pieter001 » Mon Apr 14, 2014 8:51 am

I look forward to get these sections completed :D
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Re: Pieter Visser

Postby Pieter001 » Mon Apr 14, 2014 9:00 am

So on Saturday I completed the layup on the lower right engine mount. I did all 20 layups in one go and I think I dreamt of the smell of acetone, but I can't be sure, think I was maybe high on acetone :lol:

So measured out the area and using a Stanley knife I cut and lifted the peel ply. Thereafter the sanding came and then the layup. As important as the sanding is to ensure that you get no air trapped anywhere in the layup.

After the layup was completed the area was covered with peel ply. Result is good and the curing went well :D
Attachments
20140412_201038.jpg
Complete layup and peel ply thereof
20140412_201038.jpg (217.91 KiB) Viewed 1880 times
20140412_153055.jpg
Sanded lower right mount area
20140412_153055.jpg (178.26 KiB) Viewed 1880 times
Pieter001
 
Posts: 155
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Location: Heidelberg GP

Re: Pieter Visser

Postby Pieter001 » Mon Apr 14, 2014 9:06 am

My next step will be to do the top engine mounts. I think it will be easier to do these before the gear humps or vertical stab is fitted.

If all goes well the long weekend will be the perfect opportunity to get this done :wink:
Pieter001
 
Posts: 155
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Location: Heidelberg GP

Re: Pieter Visser

Postby Pieter001 » Tue Apr 22, 2014 9:47 am

Last week was spent cutting glass... Sunday I finished all the cutting, this is for the top engine mounts and the gear humps fixing :D While I was at it, I thought I'd get it done and I'm happy I did this.

So on Monday I set to work on the upper gear mounts, after turning the fuss upside down. I spend 7hrs completing the layup here!! It was the toughest bit of the build to date. My fuss was low, which means I had to crawl in and out. I'd suggest one make a higher stand for this purpose as I could feel it in my knees after 7hrs :(

I'm happy with the end result, although I thought I'd finish both upper mounts over the long weekend... Realising that things take longer than I imagine and still getting to grips with this.
Attachments
20140421_171248.jpg
Upper left 3
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20140421_171234.jpg
Upper left 2
20140421_171234.jpg (251.79 KiB) Viewed 1866 times
20140421_171323.jpg
Upper left 1
20140421_171323.jpg (199.99 KiB) Viewed 1866 times
Pieter001
 
Posts: 155
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Location: Heidelberg GP

Re: Pieter Visser

Postby Pieter001 » Thu Apr 24, 2014 9:20 am

Yesterday I received my much awaited laser level!! What a cool piece of equipment, a must have in my opinion :D
Attachments
20140423_171058.jpg
Bosch PCL20 Cross Laser Level
20140423_171058.jpg (238.87 KiB) Viewed 1856 times
Pieter001
 
Posts: 155
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Location: Heidelberg GP

Re: Pieter Visser

Postby whisper » Thu Apr 24, 2014 8:51 pm

Yep.....works a treat!
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Re: Pieter Visser

Postby Pieter001 » Tue Apr 29, 2014 8:21 am

This long weekend I did the last of the engine mount layups. I found this upper layouts the most work and I look forward to finishing this part of the build. In saying this, I did not complete the build, but put down a few layers. This Thursday I plan to continue this work and maybe finish it :D

I also started cutting the polystyrene, but more later...
Attachments
20140428_173511.jpg
first few layers...
20140428_173511.jpg (214.93 KiB) Viewed 1839 times
20140428_123346.jpg
Sanded
20140428_123346.jpg (199.37 KiB) Viewed 1839 times
20140428_112029.jpg
Peel ply off
20140428_112029.jpg (201.67 KiB) Viewed 1839 times
Pieter001
 
Posts: 155
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Location: Heidelberg GP

Re: Pieter Visser

Postby Pieter001 » Tue Apr 29, 2014 8:34 am

I, or rather we, tried our hand at cutting the polystyrene, which really is not bad once you get the hang of it. We started on the rudder as this is the smallest and simplest of cuts in my opinion.

BUT here is my advice...

* * N O T E * *
Whisper can cut your polystyrene and I would suggest one makes use of this option for the following reasons;
- It is simpler
- Time saver
- Cuts are perfect (I think a CNC is utilised for this)
- Zero waste because they get it right first time
- You need good help to cut with you. Not a one man task!!

If you go at it yourself, no problem, it is actually a lot of fun. My son helped me cut and I found him the best talent in the family. My wife and I are in too much of a hurry and get it wrong, while Emil (my son) get it just right. Our cuts are almost perfect, but it took a bit of getting the hang of it. My advice is...
- Cut slowly, don't force the wire to move, just let it go at the pace it is happy to
- Clearly mark progress positions on all the templates (pro-rata to the size of each) and discuss the cut so both parties KNOW exactly how the cut will progress
- Talk and indicate progress during the cut continuously and stay synchronised as much as possible, especially around any corner or curve
- Do the complete cut in one go, DO NOT STOP as you'll see this on the cut when you're done
- Consider a practise run before you do the actual first cut (have spare foam for this!!)
- CHECK your template alignment before each cut, as you cannot undo a cut

It is a lot of fun and great bonding this to do with your son, if you get it right :D NOTE that you will likely make mistakes and this is human, so don't be too hard on your cutting partner, as this can obviously ruin a friendship :x

As mentioned, check your template alignment! I got one cut inverse :( The middle template actually does need to be marked with progress indicators on both sides :wink: !!

To check the blocks for right angles, I used the laser level, which I found a hundred and one uses for!!
Attachments
20140426_155957_small.jpg
Right angles with laser
20140426_155957_small.jpg (20.21 KiB) Viewed 1839 times
Pieter001
 
Posts: 155
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Location: Heidelberg GP

Re: Pieter Visser

Postby Pieter001 » Tue Apr 29, 2014 8:49 am

Marking the centre line on the blocks and then attaching the templates with dry wall screws. My hot wire is also visible and must say that it worked a charm :D

I used a coffee table and simply clamped 40x40mm roof "brandering" to clamp the foam block in for the cut. I found this to work perfectly :D
20140426_160126.jpg
Centre line
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20140426_173555.jpg
Template on 1
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20140426_173608.jpg
template on 2
20140426_173608.jpg (189.74 KiB) Viewed 1839 times
Last edited by Pieter001 on Fri May 02, 2014 7:09 am, edited 1 time in total.
Pieter001
 
Posts: 155
Joined: Wed Jul 03, 2013 7:03 pm
Location: Heidelberg GP

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