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Martin Harris - Moderator last won the day on November 9 2024
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Saito 50 Exhaust Thread Tightener(coupler?) Broken
Martin Harris - Moderator replied to Fred Lew's topic in IC Engines
Was this due to crash damage or just the thread being seized in the head? This is one time when an Easy Out type screw extractor might help. If you can find one which just fits (there’s not much depth) - a broken one, of which there are no shortage😉 might be even better! - you may get enough purchase to turn it. As per JD8, plenty of heat first. -
Skylane global quality kits
Martin Harris - Moderator replied to jtblondie69's topic in All Things Model Flying
Thread locked as duplicated post in existing topic. -
The additional mass added by upturned tips is not very significant compared with the considerable amount of water ballast that can be loaded on a strong thermal day in a glider’s wings (up to several hundred pounds) in order to increase overall performance in cross country tasks. In fact, the additional mass at the tips might have some benefit in reducing bending of the wings when pulling G loads - and the performance boost is certainly less limiting than adding span extending tips which, in the case of the ASW20L that I was familiar with, reduced both the maximum permitted speeds and permissible weight, so it’s easy to see their attraction. Against that, in my view, is the corruption of the beautiful lines of the clean winged glass glider that had evolved by the ‘80s.
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I’m afraid I need my thumbs!
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Flair De Havilland Tiger Moth kit, 1/4 scale
Martin Harris - Moderator replied to Alison Everard's topic in FOR SALE
Welcome to the forum. Please be aware that scammers tend to prey on private ads so be very careful if they are new members and/or with a small post count and want to pay you by any suspicious methods. -
For no reason other than nostalgia
Martin Harris - Moderator replied to David perry 1's topic in IC Engines
I had some experience with one used by a pupil on a large trainer. We operated it on our “standard” club 10% nitro fuel and it was a confirmed prop shedder during starting. I suspect lower - or no - nitro would have improved its user friendliness but we developed a technique where I applied the glow once the starter was running. Has he tried alternative fuels? I suspect lowering the compression ratio might make these engines - similar but not identical to the other “clones” - easier to live with, if my experience is typical. -
For no reason other than nostalgia
Martin Harris - Moderator replied to David perry 1's topic in IC Engines
Sorted… -
Flying poem help for funeral needed
Martin Harris - Moderator replied to David Ashby's topic in Chit-chat
High Flight is one of the few poems that I cherish and it’s good enough to quote here, I believe. High flight, by John Magee Oh, I have slipped the surly bonds of earth, And danced the skies on laughter-silvered wings; Sunwards I’ve climbed and joined the tumbling mirth Of sun-split clouds – and done a thousand things You have not dreamed of - wheeled and soared and swung High in the sunlit silence. Hovering there, I’ve chased the shouting wind along and flung My eager craft through footless halls of air, Up, up the long delirious burning blue I’ve topped the wind-swept heights with easy grace, Where never lark, or even eagle, flew; And, while with silent, lifting mind I’ve trod The high untrespassed sanctity of space, Put out my hand, and touched the face of god. While not everything in it is strictly appropriate to my experience, for some reason it always takes me back to a moment where I was wave flying over the Black Mountains of South Wales in a glider, during a challenging and memorable flight and had the sudden realisation that I was probably the only significant living organism within much more than a mile of me in any direction. Only aviators are likely to have such an experience. -
Rather like the BMFA - the association operates on behalf of its legal entity, the SMAE. There's not much on the BMFA website that I can see but I believe the change of operating name was simply to modernise the impression of the organisation in order to increase its appeal. Dale's suggestion seems to be the easiest and most practical way to operate under the new name.
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Welcome to the forum Ian and hopefully we’ll see you joining in with some of our varied topics. Although RCM&E staff look in from time to time, it’s run mostly by volunteers with no connection to the magazine publishers so If you have any questions about a current subscription you would be better advised to phone 01507 529529 or drop an email to [email protected] I’m not aware of when you took out your subscription but the January issue would have been issued in December so I suspect that your subscription might start with the February issue.
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If noise is at all an issue, it's well worth spending the extra for one of their baffled options.
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