KeithT
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Everything posted by KeithT
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I'm learning a lot from this build - like how I should plan better... I got carried away enjoying covering the plane and completed the wing with glass cloth and Poly-C - beautiful finish. Unfortunately I did forget to cut out the ailerons from said wing, remembered, then forgot again and glued the wing to the fuselage Still, I got the elevator servo in position and attached it to the fitted elevator using carbon rod. That bit works at least, making it a two channel model - throttle and elevator... Edited By KeithT on 07/03/2010 10:14:51
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Hi Jon, I ran in an SC52FS last summer with no prior experience of 4-strokes (nor many engines at all come to think of it) just by following the instructions. They're spartan but appear to work Sounds lovely too - I'm sure the SC70FS will purr... Have fun Keith
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Fair point and taken on board. I think the 'structions from brc recommend a 2 blade 6x5 which will lead to a lower draw. I'll get some 2 bladers before the plane's finished and can fit them for flying. I need some warmer weather, or a sunny afternoon, for sand sealing the wing. The fuselage and tail is glassed and Poly-C'd apart from the nose, so just the nacelles and wing to go.
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Hi Terry, Nope the battery pack wasn't full - about half from the last flying sesh. I tend to agree the current draw is high at full throttle and I was slightly surprised by the amperage. However I do not intend fly at full throttle, for any significant amount of time. You are right though, it is something to be aware of, and if I find it doesn't fly except at full throttle I could swap down to 2 blade 7x4's, or 6x5's even, but...I'd like to try it with this setup first.
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I started this build from the plan last year and after end-of -year-delays just this weekend made a bit of progress. I'm a total novice builder (Crash-E my only build so far) but this very curved fuselage has been more of a sculpting lesson than a modelling one! Here's where I am: body, wing and nacelles... Today, I have also tested the power setup, with all my dubious soldering... What you're seeing is a pair of E-Max CF2812's with 12A ESC's driven by a 3s 2250mAh 20C LiPo. Full power on... Close up on the meter: Thanks to Timbo and others for previous posts on the wiring of a twin electric I'll try to update the thread as I make some progress, but be warned I work slowly.....
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Posted by Michael Russell on 23/01/2010 18:30:30: You have been a modelling inspiration all my life - get well soon I cannot really say it better. All our best wishes.
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The Mode Survey - what do you fly?
KeithT replied to Biggles' Elder Brother - Moderator's topic in General Radio Discussion
1. Mode 22. Northumberland3. Northumberland 4. Simulator / Self taught. -
I'm planning on completing my Tony N Moskito soon enough, and then I should really crack on with the DB Mannock for my SC52FS which has been sitting around for quite a while now...
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Awesome weather - how much flying are you getting in?
KeithT replied to Simon B's topic in Flying Field Reports and Chat
Fantastic shots Clive - was the same this afternoon at the field in Alnwick. Absolutely zero wind, blue skies (low sun) and great skidding belly landings for my Crash-E, now a year old and still going ! We had rain yesterday and it froze overnight, we've got -3.5°C outside now, so tomorrow may be the same -
Looking good (and the lunch) Stephen. Was that engine really used from Ebay? - it does look new. Weasel - I'd love to see that flying if you're going out up here ... if you'd like a hand then give us a shout when it's ready Keith
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o/ Merry Xmas all ... ... and have a great New Year, looking forward to a sunny 2010 Keith
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Wow! Four legs retract off 1 servo, I hope it will have the power.Here is a photo of the U/C with the doors open. Those wheel wells are huge and right across the prop slipstream as well. Yes, it's interesting eh? Lovely plane. Prop slipstream ... another good thought ... I think it could be done, with one servo if the legs were light enough, remembering the load would be spread across 4 rather than a classic 2 legs. Having said that; probably not in the light leccy plane I'm building now. I've abandoned the idea and kept it a chuckie. However, I might well be tempted to try something bigger at a later date, perhaps 80", 2 piece wing with decent motors or i.c. then Richards' idea of air retracts may well be more practical anyway. It would be nice to explore the single servo approach though. The doors could be the biggest 'drawback'. Fortunately the 177 has a big wing............... Lol, yes - in flight they need to lower, let the u/c down, then raise again ! More clever servos... I think I need more building experience heh
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That is a very good point, Simon - I hadn't twigged they retract in front of the spar. Also the thought of four holes under the wing producing significant drag is not attractive. Maybe a larger model would make it easier at a later date. I was doodling at work yesterday and wonder if it would be possible to use a central retract servo, with parallel pushrods down each wing connecting to a rack and pinion for each u/c support. I.e. looking down from above the tail end, when theretract servo turned clockwise, the fore connection would shift one u/c on each wing left (e.g. raising), and the aft connection would shift one u/c on each wing right (e.g also raising) And vice versa. This avoids 4 retracts and probably 2 retract servos, because I don't think there'll be space... You may have to read that twice to understand I might build it first off with a fixed u/c hehe
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Nice one guys, that's a new one to me Edited By KeithT on 20/08/2009 21:45:17
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i12fly - Bleriot didn't fly, not sure of the reason, but it was in the hanger. Ernie, that would have been great - and having been there can quite believe it ! Posted by Jonathan Lewzey on 19/08/2009 21:43:15: Shuttleworth is a great place to watch a flying display as there is a great nostalgic feel to every event. That and the banked passes right round the crowdline Aye, the close proximity to the flight line(s) and the fact that the majority of aircraft sat just 10 feet away over a wooden fence until they were fired up to fly was amazing. The event was so relaxed with no overcrowding, no heavy security presence, just folk enjoying the day. At the end of the day, there was also a fair procession of visiting private pilots leaving (before the Edwardians flew) which was interesting in itself - a couple of Chipmunks and a biplane mixed in amongst the Piper Cherokees. And this thing made an amazing noise - might be great to model, any ideas for I.D.? and a great paint job on a Chipmunk... The best airshow I've ever been to, I think.
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A fantastic day with many highlights, such as the Hawker Hunter and Gnat display, the Shuttleworth barnstormers and a load of restored WWI biplanes. The Comet, great to see - was planned to taxi run only but we don't think it did. A first for me - 2 Hawker Hurricanes flying at one display Wasp: The wind died toward the end of the day so they brought out a few of the collection that need absolutely no wind to fly. Bristol Boxkite and Avro Triplane both replicas made for "Those magnificent men in their flying machines" in 1965. They flew soooooo slowly ! And finally a Deperussin, licenced to fly in a straight line only, apparently ! I would thoroughly recommend a visit to anyone Edited By KeithT on 19/08/2009 08:25:09
