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All-moving tail

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David Wallis 108/05/2017 20:59:17
1 forum posts

The all-moving tail mechanism is not clearly drawn on the free plan in RCM&E. I have been building and flying slope soarers since 1971 and my preferred tail is all-moving as "you can never get the incidence wrong". I have built O/D as well as kit models with varying degrees of success.

Could you provide a clearer drawing of the mechanism please for this plan? Otherwise I would have to improvise one of my own versions which wouldn't look anything like the plan. (But would probably work just fine...)

Russell Hawkes 218/09/2018 09:29:45
6 forum posts

The original plan and article are available on Outerzone if that helps.

Has anyone else built a Quicksilver recently? I have the plans and the ribs/formers from eBay, it would be good to see some pictures of finished examples and get some tips on building and trimming the design before I start building.

PatMc19/09/2018 11:40:56
4383 forum posts
524 photos

Someone used to fly a Quicksilver at my local site around 1978/79. I remember the tail fixing being as per the plan on OZ, which I thought pretty crude & draggy [the tail not OZ wink 2]. Also the tailplane fluttered in high speed dives which he cured by chopping away some of the area in front of the pivot but I can't be sure that the pivot was accurately positioned when built. Once the flutter problem was cured the model flew very well & was quite fast. I think with a cleaner tail fixing & peg bolt wing fixing it would even better without spoiling the original lines.

The owner had Macgregor gear, & as was normal then, there was no easy way to reverse the servos. His aileron operated in reverse, so he swapped aileron & servo plugs around in the Rx then flew the Quicksilver with the Tx (mode 2) held at 90 degrees from normal, i.e. the aerial was horizontal !

Edited By PatMc on 19/09/2018 11:43:28

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