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SE5a - dogfight double

Build thread for sept 2003 RCM&E plan

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Dad_flyer11/01/2019 22:11:20
53 forum posts
45 photos

Very little progress this week. Strut holes cut in lower wings. Wing tips blocked up, and one shaped.


Blocked up, but my 12mm balsa is actually 9mm, so needed an extra bit on top.


Rough shape with a razor plane.


One tip shaped. Corners will be rounded a little in the end.

Dad_flyer18/01/2019 11:03:20
53 forum posts
45 photos
Little time to progress recently, and I have been trying out finishing methods. Tissue and dope for tail and fuse, Easycoat for wings, which are open underneath. I have not done iron on before. Test pieces are now ok, so on to the real thing next session.

What servo torque do I need? the parts are, so far, heading for a flying weight which will be under the design weight of 24oz/680g. 9g plastic gear 1kg-cm will be plenty? Will 5g servos at 0.6kg-cm be big enough? The smaller servos would allow a full depth cockpit for an alternative pilot who fancies a go.
Dad_flyer22/01/2019 22:03:24
53 forum posts
45 photos

Sanding sealer done all over. Some of the tissue done, but not had much good weather to do that outside. The article in this month's RCM&E was useful for techniques of covering solid areas.

More time spent on the film covering, but I am still very slow, so not much to show for it.



I have a job lot of cheap yellow Easycoat that was on offer. It will all be painted.

There was a small twist in the wing, I had re-glued the leading edge to the ribs when I saw it was not quite stuck down, after taking it from the board. Not a great idea. Luckily I saw a method somewhere of holding it twisted back past straight and re-shrinking the open underside. This seems to have worked. I shall keep an eye on it to see if it slips back before I fix the wings.

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