Pieter Visser's X350

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Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Mon May 26, 2014 9:18 pm

Horisontal stab pins:
Carefully measured to get an accurate 104mm distance between the two pins and used the laser to get this line level, after leveling the fuss on the canopy sills. Also measured the centre line between the upper and lower horisontal fin spar to mark the pins positions. Used a 1.5mm drill to mark the positions and check accuracy. Then used a 3, 6, 8mm drill and finally a 12.5mm drill to drill the holes. The holes need to be countersunk, so used a 16mm masonary drill and sandpaper to get the pins to fit perfectly flush.

Also cut the excess off the horisontal fin spars and glued them with flox on the vertical front spar with the skins on. Used 4mm pop rivets to hold them on the spar and screws through the fins.
Attachments
20140524_121630.jpg
Trimmed fin spars and sanded to glue in place
20140524_121630.jpg (187.39 KiB) Viewed 2476 times
20140524_114309.jpg
Pins measured and drilled not fixed yet
20140524_114309.jpg (163.44 KiB) Viewed 2476 times
Last edited by Pieter001 on Mon May 26, 2014 9:33 pm, edited 1 time in total.

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Mon May 26, 2014 9:26 pm

Lined up the trailing edge and secured the cradles with screws. Package tape on the joints and then micro mixed applied to one side to glue all sections together. Used the dive weights from the leading edge to secure and let it dry overnight.
Attachments
20140524_174959.jpg
Trailing edge microd sections and weighted
20140524_174959.jpg (166.09 KiB) Viewed 2475 times

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Mon May 26, 2014 9:28 pm

Found the vertial centre on the trailing edge foam cores and marked the centre line on the shear web too. Then found the best fit of the shear web to the centre of the trailing edge. This was done using the laser level by putting it on the table and aligned with the centre of the foam core and then putting the shear web infront of this to check the level. Found one side a 2mm better fit than the inverse side, so indicated the ""up"" side on the shear web. Marked the trailing edge centre line and 75mm either side thereof, as this will be the cut line on the trailing edge for fitment later. Marked the area on the sharp pointed frontend to be sanded off. Drilled the shear web on the centre line with a 6mm drill to later secure it to the front of the trailing edge. Sanded off the pointed area at the tip by around 8mm for the shear web to fit nicely. 75mm either side of the middle of the shear web I marked, as I do not plan on removing the peelply here, as this section will be cut out for fitment on the vertical spar.
Next aligned shear web with the rear of the leading edge and marked and indicated the indentation areas to be grinded and sanded for fitment. Also marked the center line as the retaining bolt will be put exactly on this line later.
Attachments
20140526_050106.jpg
Sanded point away for fitment
20140526_050106.jpg (188.39 KiB) Viewed 2474 times
20140526_050129.jpg
150mm wide area to be cut out after covered
20140526_050129.jpg (244.61 KiB) Viewed 2474 times
20140526_050048.jpg
Centre line shear web
20140526_050048.jpg (233.29 KiB) Viewed 2474 times

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Mon May 26, 2014 9:36 pm

I've now spend 86hrs on my build, so nearing the 100hr mark.

This weekend my wife and I will be attending a composite course at AMT in Isando, so will likely not get much Whisper building done, but there are the couple of evenings to make use of ;)

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Tue May 27, 2014 7:09 am

Aligned shear web centre line using coasters to alter the height. Fixed the shear web in place with dry wall screws and then used a permanent marker to mark where the shear web is to be cut in order to fit the stab. Removed the screws, so cutting the shear web will be the next step.
Also sanded down the rear end of the leading edge to fit the shear web and made the indent for the thickest part. Tricky bit of work this. Will use quite a bit of micro to get this fitment 100%. Think it best to make a filler with small polystyrene balls and micro to fill this perfectly. Still have to cut/sand the leading edge rear for the rovings.
20140526_183617.jpg
centre of the stab indicated and laser aligned
20140526_183617.jpg (184.66 KiB) Viewed 2471 times
20140526_183901.jpg
shear web needs to lifted and coasters works for this
20140526_183901.jpg (179.12 KiB) Viewed 2471 times
20140526_205234.jpg
web centred and secured to mark the parts to cut off
20140526_205234.jpg (201.25 KiB) Viewed 2471 times

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Tue May 27, 2014 7:16 am

_
Last edited by Pieter001 on Tue May 27, 2014 9:59 pm, edited 1 time in total.

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Tue May 27, 2014 7:17 am

After the shear web is aligned it is easy to use a marker to indicate the areas of the shear web which is to be cut off.

Used a rotary tool to make the indentation for the shear web on the rear of the leading edge. The fitment here is tricky! I measured and sanded, but the fit is not great, so I'll make a plan to get this 100%. Will share this when I get the job done ;)
Attachments
20140526_210045.jpg
easy to mark areas of web to be cut off
20140526_210045.jpg (197.79 KiB) Viewed 2470 times
20140526_190655 - small.jpg
rotary tool used to remove the foam
20140526_190655 - small.jpg (24.16 KiB) Viewed 2470 times

whisper
Site Admin
Posts: 485
Joined: Mon Jul 19, 2004 2:26 pm
Location: Port Elizabeth
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Re: Pieter Visser

Post by whisper » Tue May 27, 2014 7:37 am

All the tricks you learnt on those model planes hanging up are starting to show! Some nice ideas.

Pieter001
Posts: 217
Joined: Wed Jul 03, 2013 7:03 pm
Closest Airfield: NZWN
Location: Wellington NZ

Re: Pieter Visser

Post by Pieter001 » Tue May 27, 2014 10:03 pm

LOL

I'm enjoying this immensely :D

This is the biggest model I've ever attempted! Cut sanded and glued the shear web to the trailing edge front tonight and also marked and drilled the stab retaining bolt. Coming along nicely. Can't wait to get this stab done, it really feels good and I'm quite proud of the job thus far.

Been thinking about a name for my X...

"X'sie Perfeksie" is starting to grow on me :lol:


Used 1mm angle grinder to cut the shear web and a little sanding too. Removed the peel ply on both sides as sanding it on the trailing edge stab may cause damage to the part. Sanded both sides. It is important to note the TOP/BOTTOM orientation as all writing is on the peel ply!!
Then micro'd only the foam front side of the Hstab trailing edge and fit the shear web on it with dry wall screws for curing.
I used the laser to find line up the securing Hstab bolt and marked both the horisontal spar and the fuss. Drilling the horisontal spar was easy, 12.5mm drill bit, but the fuss is obscured by the now glued in horisontal spar! So this is a hand drill process and it is hard work.

** Recommend**
You do this before you glue things together. I was afraid the measurements may be off if it is not glued in, but this would be marginal at best.
Attachments
20140527_190555.jpg
marked and drilled the stab bolt
20140527_190555.jpg (194.86 KiB) Viewed 2461 times
20140527_213114.jpg
Glued the shear web
20140527_213114.jpg (231.49 KiB) Viewed 2461 times
Last edited by Pieter001 on Wed May 28, 2014 10:02 am, edited 3 times in total.

whisper
Site Admin
Posts: 485
Joined: Mon Jul 19, 2004 2:26 pm
Location: Port Elizabeth
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Re: Pieter Visser

Post by whisper » Wed May 28, 2014 7:05 am

I like!!!!
Google "Symmetry airplane "
See if you can make "Xsie" better than that aerie
Nothing like a challenge!

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