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Chris Williams 1/4 Scale T21**
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- Posts: 66
- Joined: 11 Oct 2017, 18:53
- Location: Mitcheldean
Chris Williams 1/4 Scale T21**
Still just at the stage of making lists of materials and enjoying the anticipation of seeing it grow in the workshop, anyone that has built one , please chip in with advice!
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- Posts: 44
- Joined: 19 Mar 2015, 19:52
Re: Chris Williams 1/4 Scale T21
I have built four of them!!
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- Posts: 44
- Joined: 19 Mar 2015, 19:52
Re: Chris Williams 1/4 Scale T21
The build is straight forward. The only problem that needs care is the covering of the ailerons and wing TE which twist very easily.
Last edited by Rich vale on 02 Jun 2019, 08:47, edited 1 time in total.
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- Posts: 66
- Joined: 11 Oct 2017, 18:53
- Location: Mitcheldean
- chris williams
- Posts: 1573
- Joined: 10 Mar 2015, 10:50
- Location: Blandford Dorset
Re: Chris Williams 1/4 Scale T21
As long as the 'D' section has top & bottom sheeting and full-length ply webbing, it should be impossible for the wing to twist, although TE's can sometimes distort
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- Posts: 91
- Joined: 20 Mar 2015, 21:55
- Location: chepstow,south wales
Re: Chris Williams 1/4 Scale T21
nice easy build,just lots of it ,your biggest concern will be getting enough of your local church roof in the nose ,l actually found that l could get a pair of six volt spill proof batteries in the nose,one either side of the keel,the aerotow release went in the middle-if you need weight it might as well be useful wieght .....keep the tail as light as possible,every gram counts,have fun
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- Posts: 66
- Joined: 11 Oct 2017, 18:53
- Location: Mitcheldean
Re: Chris Williams 1/4 Scale T21
Had a great weekend at the Nationals, a spot of preplanning meant I had emailed a list to SLEC to pick up.
Very efficient service as always, I now have the bulk of the required timber to press on with the T21.
Very efficient service as always, I now have the bulk of the required timber to press on with the T21.
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- Posts: 66
- Joined: 11 Oct 2017, 18:53
- Location: Mitcheldean
Re: Chris Williams 1/4 Scale T21
This began with adding the stabiliser ribs to the spar, which I decided to do vertically due the dihedral of the tailplane.
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- Posts: 66
- Joined: 11 Oct 2017, 18:53
- Location: Mitcheldean
Re: Chris Williams 1/4 Scale T21
Steady progress, just finished fitting the diagonal ribs in the tailplane. My aim is to try and put at least an hour a day into this build in an attempt to maintain momentum.