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M100S
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- Posts: 106
- Joined: 11 Mar 2015, 12:06
Re: M100S
Looking very very nice, I like it!!
- RobbieB
- Posts: 547
- Joined: 07 Mar 2015, 22:22
- Location: North West
Re: M100S
Sheeting started - 0.4mm ply ironed on - butt jointed over 20mm wide 0.4mm ply back straps.
The rib that each strap is glued to is reduced in depth by the thickness of the ply, top and bottom. Easily done with a piece of sandpaper glued to the face of a strip of 12 x 12mm pine long enough to bridge the two adjacent ribs.
The rib that each strap is glued to is reduced in depth by the thickness of the ply, top and bottom. Easily done with a piece of sandpaper glued to the face of a strip of 12 x 12mm pine long enough to bridge the two adjacent ribs.
- RobbieB
- Posts: 547
- Joined: 07 Mar 2015, 22:22
- Location: North West
Re: M100S
Brian,
I know exactly what you mean but I've never had a problem with ply sheeting, even thin 0.4mm.; those chunky root ribs seem to take care of the 'launching rash' ok.
It's balsa sheeting cracking that I've suffered from in the past. I refurbished my old K8 some years ago and got the fright of my life when I stripped the covering off the wings - I don't know what was holding them together!
I think anything over 1:3.5 scale I would move up to 0.8mm ply.
I have been very aware of weight in the wings on this thing as those rotating brake assemblies are 510mm long (6 main rib bays) and are going to be heavy.
I know exactly what you mean but I've never had a problem with ply sheeting, even thin 0.4mm.; those chunky root ribs seem to take care of the 'launching rash' ok.
It's balsa sheeting cracking that I've suffered from in the past. I refurbished my old K8 some years ago and got the fright of my life when I stripped the covering off the wings - I don't know what was holding them together!
I think anything over 1:3.5 scale I would move up to 0.8mm ply.
I have been very aware of weight in the wings on this thing as those rotating brake assemblies are 510mm long (6 main rib bays) and are going to be heavy.