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Hi all,
I have just started hanging the ailerons on the upper wing panels. So far so good but a long way to go yet. Photos attached are small file size for those on dial up. Lynn, a question. Did I read somewhere that either 0.8 or 1.00mm ply could be used for the aileron leading edge?
Duds
Hi Dudley,
This is a big step! Probably the most complicated bit of the Stummel wing set up. I can't remember whether I indicated that 0.8 mm can be used as an alternative to 1.0 mm ply for the aileron LE, but from my experience, 1.0 mm is significantly stiffer than 0.8, and will result in a stronger control surface and more resistant to local damage. There should be no difficulty in rolling 1.0 mm ply around that LE.
As usual the workmanship looks very good indeed.
Best regards,
Lynn
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Photos by Chris Bobka - Comments by Lynn Williams
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| One of several photographs taken by Chris Bobka in November this year of Dudley's Z-1R wings. Fine workmanship evident here - no wonder he won best part-built project at Kemble. |
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This picture shows the curving wing root TE with a sweep up to the lower longeron, the wing panel being inverted as seen here. This occurs on the Type R because the lower root ribs are the same as those of upper wing root (ie. 36" chord) which are modified (reflexed) to improve the pilot's view from the cockpit with a lowered upper wing position. Rather than redesign the lower ribs (which on the Type R are the same chord as on the upper - ie. differing from all other Flitzers which have unequal upper and lower chords) the trailing edge lower root follows this pattern, and is the same incidentally as the Z-3 lower root, which uses the same 36" chord lower rib and also has this sweep up towards to the lower longeron. |
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| The same lower root detail seen from above. |
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| More Z-1R lower wing details. | Hand hold on tip. | Here's another photograph of Dudley's upper wing aileron LE, showing two of the hinges and the balsa in-fill and cutaway (to accommodate the wing spar fittings) on the 'drag-compensating aileron' nose. |
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| Dudley's Z-1R aileron, showing the mid-section ply-stiffened bay. | Z-1R upper wing roots from front and rear. | |
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| Z-1R wing root trailing edge viewed from rear, wing panel inverted. | Here's Dudley's jig for laminating the wingtip bows. |
I met Chips Carpenter today at Popham when I went there for a rather late breakfast. Within as many minutes he had berated me twice. Why wasn't I at home working on the Flitzer and why didn't I put more stuff on the group? Fully chastened I got home as quickly as I could, did a bit more and took photos to prove it. It also gave me the opportunity to show you the handhold in a more advanced state than the photo Lynn put out earlier.
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| Basic wingtip handhold apeture with pencil lines about 3mm (that's about 1/8" for you colonials) from edge. | Areas taken off to lines. | Finished job after being attacked by coarse, then fine, sandpaper. |
All this extra work just to possibly stop some helper damaging a pinky!
Regards,
Duds
Hi all,
I have at last gone as far as I want to with the lower wings.
You will note on the photo that the leading edge D box sheeting has yet to be done. The root bay sheeting has also yet to be done. These items have been left until the time I can establish the aileron cable routing and exact positioning of the aileron cable pulleys. To do this I need to mount the wings on the fuselage. To do that I need a fuselage. So I had better get back to the workshop and start it!
Regards,
Duds
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