And aerodynamic wire? Forgetaboutit.... I don't think I've seen anyone actually pull that off. I got some RB PE for the SE5 that may be close.
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Wingnut Wings Sopwith Triplane
- Thread starter moon puppy
- Start date
Heavens Eagle
Well-known member
Yeah, they usually use PE stuff to do it. Thing is there are no real turnbuckles on the late war British aircraft.
paddy
Well-known member
one mistake i made with my WnW builds is the later war stuff as Paul mentioned often only had a turnbuckle on one end so appears in some pictures not to have them at all
TBH its another of those things you can over think and turn a build into a nightmare so best to do what looks good to you. I have dozens of pictures as above that i took at Hendon and its actually quite hard to find 2 fittings the same, the above are all on the same SE5A which is Triplane era ish. the really confusing thing with aero wires is they twist so some look tapered
and others just look different thicknesses
I got several photos from the RAF Museum. But my focus back then was the Albatros, got some really good photos of those turnbuckels. What I'm planning on doing is just using a sleave of brass tube on most of the bracing wires, maybe a tube and eyelet on some at the control horns.
RichB
Well-known member
At the risk of "sharkmouthing" you (@Sharkmouth may not know he is an adjective), "Everything you've wanted to know about Sopwith Triplane rigging and truing but were afraid to ask."
RAF Streamlined Wires
(from 1912 to 1918 RAF referred to the Royal Aircraft Factory when it was renamed to the Royal Aircraft Establishement)
The RAF produced a specification for various wire sizes defining threads, material, cross section, strength and end fittings that aircraft designers could then specify on drawings (AGS XXX). The wires could be made in-house or acquired from supplier. Although called wires they were more like a tie rod, made from asingle length of round stock with each end threaded (one end left hand, the other right hand to prevent loosening) using either British Standard Fine (BSF) and British Association (BA) threads with a square section to fit a spanner for tensioning. The span between the threaded ends was drawn to a symmetrical lenticular shape sized to maintain the original tensile strength of the round stock.
The Triplane used 1/4 BSF and 2 BA RAF wires for external rigging.
Step by step procedure for the Sopwith Triplane from British Military Aircraft of WW1 The Official Technical and Rigging Notes for RFC and RNAS Fighting and Training Aeroplanes, 1914-1918
Cheers,
RichB
RAF Streamlined Wires
(from 1912 to 1918 RAF referred to the Royal Aircraft Factory when it was renamed to the Royal Aircraft Establishement)
The RAF produced a specification for various wire sizes defining threads, material, cross section, strength and end fittings that aircraft designers could then specify on drawings (AGS XXX). The wires could be made in-house or acquired from supplier. Although called wires they were more like a tie rod, made from asingle length of round stock with each end threaded (one end left hand, the other right hand to prevent loosening) using either British Standard Fine (BSF) and British Association (BA) threads with a square section to fit a spanner for tensioning. The span between the threaded ends was drawn to a symmetrical lenticular shape sized to maintain the original tensile strength of the round stock.
The Triplane used 1/4 BSF and 2 BA RAF wires for external rigging.
| NOMINAL DIA | THREADS | CROSS SECTION | |
1/4 BSF | 0.250 in (6.35 mm) | 26 TPI (0.977 mm pitch) | 0.400 x 0.090 in (10.20 x 2.30 mm) |
| 2 BA | 0.185 in (4.70 mm) | 31.36 TPI (0.81 mm pitch) | 0.180 x 0.070 in (4.60 x 1.80 mm) |
Step by step procedure for the Sopwith Triplane from British Military Aircraft of WW1 The Official Technical and Rigging Notes for RFC and RNAS Fighting and Training Aeroplanes, 1914-1918
Cheers,
RichB
Thanks Rich, that document was on the website I stumbled on the other day.
I think I'm about to the point of decaling this thing. I'm almost thinking it's better to have nearly completed components going together than not.
I think I'm about to the point of decaling this thing. I'm almost thinking it's better to have nearly completed components going together than not.
All this dry fitted. All Hail Wingnut Wings!
