Alistair Taylor
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Everything posted by Alistair Taylor
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Wingamagig - plans for flying wing article in Nov 2023 RCM&E?
Alistair Taylor replied to PWLT's topic in RCM&E Plan Builders
Hi Pete I'm the builder of the red Wingamagig in the Outerzone picture gallery. This was powered by various 0.75 - 1.5cc diesel engines. It is great fun to fly and amazingly simple to build. Be sure to incorporate a good grip under the fuselage for launching. the Grip on the plan is only just about adequate. I added sandpaper on both sides of the grip to make it easier to hold when covered in castor residue. AlistairT -
If it's any help - fairy powerspray is a great remover of gummed up castor - but tends to dull the silver paint on the outside of model engines. Switch cleaner, sold by Maplin (online only) is also great for loosening gummed up castor. This a great www for exploded views of most engines; sceptreflight I've taken apart and refurbished a few OS two and four strokes. Key tips that may help avoid a boo-boo; - The cam has a mark / indentation to assist with getting the timing right marked on the outer face, i.e. there is a right and wrong way to reinsert it! - There is a head bolt concealed under the rocker assembly you can't reach until the assembly is removed - Use wooden rods / dowels to remove bearings to avoid damaging the engine case - An appropriately sized socket is really helpful for reinstalling bearings (they are a tight push fit) - To get the timing right, you need to hold the piston at TDC - you can make a tool to do this by finding a bit of broom handle / disk of wood that's a snug fit in the back of the engine case, and snading / drilling a slot just big enough for the conrod - this then holds the conrod/piston at TDC while you fiddle with the cam - The cam timing is set like this (but feel free to google and watch a few other demos)- see also this from justengines - it is difficult to get the conrod off the crankshaft until you remove the liner - then you can wiggle the piston to a position where the conrod will come off - NB remember this for reassembly! - Make sure you have the correct replacement bearings! Hope these help a bit AlistairT
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Way back in 1990 the Radio Modeller free plan for Piglet caught my eye. It was powered by a .15 glow, and the only engines I owned were a .15 Thunder Tiger and a cox medallion .049. I sent off for the foam wings, built it over many months, and it eventually flew, but my flying skills were not up to it. I still have the wing, tailplane and fin, so trying to restore it to flight as a lockdown project. You'll notice the solarfilm has suffered a bit with 25 odd years of shed storage. Fus sides and formers cut;
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Thanks for the replies. It's encouraging that many modellers are reaching out to potential new audiences. I have done some of these things but not all. I don't think modelling will die out unless the US market collapsed.
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Just to satisfy my curiosity, how many of those posting have; - Given a talk on RC flying at a local school - Displayed RC models at local events (fetes / air shows ) - Run a model-building session for beginners - Written an article / blog for non-modellers - Sent off for a DBS check I ask because several posters have referred to the challenges of engaging with potential recruits. I just wonder if there's some experienced hands who could offer advice on generating the new recruits all RC clubs need to stay viable. No office meant to anyone in this thread or lurking AliT
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A squirt or two of switch cleaner will loosen gummed up castor oil quite well. Available from maplin.....oh. I'm sure it's available from other electronics suppliers. Ali
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"Clean" depends on what it is you think of as "dirty". If your priority is to reduce emissions of CO2, diesel has the edge over petrol. If, however, you want to bring NOx levels down, or reduce levels of particulates, petrol has the edge over diesel. If you want to reduce both, electric / hybrid is probably the best way to go. This recently published study on diesel emissions makes for sobering reading; FIA Study on Diesel Emissions "The results confirm that real-world NOx emissions are systemically much higher from diesel cars, and this holds true for even the newest (Euro 6) models. All Euro 6 petrol cars, in contrast, received a ‘good’ or ‘moderate’ rating. Key findings for Euro 6 vehicles, the newest fleet of European vehicles were: Four manufacturers had average emissions of more than 12 times above the approval limit. All Euro 6 diesel models tested exceeded the NOX emissions. Euro 6 petrol vehicle NOX emissions for even the worst manufacturers were within 1.5 times the type-approval limit. Even the best Euro 6 diesel groups produced NOX emissions of more than twice the type-approval limit, and all other manufacturer groups were at least four times the type-approval limit. At the same time, if you have a wood-burning stove; Wood Burner Emissions Wood burning accounts for between 23 and 31% of fine particulate (PM2.5) emissions in London and Birmingham AlistairT Edited By Alistair Taylor on 13/03/2019 13:26:08
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Anyone remember this 1977 film featuring RC spitfires and all sorts of vintage RC equipment?
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Pics from your free RCME plan build
Alistair Taylor replied to Ton van Munsteren's topic in RCM&E Plan Builders
Been a bit quiet on this thread. Hopefully winter build projects will top it up Couple I'm working on - repairing a 30" Nigel Hawes Tucano and making progress on a Hawes Hawk incorporating the tweaks mentioned on various web forums. Both approaching covering stage. -
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Alex Weiss published a plan for a Tornado GR1 with swing-wing mechanism in RCM&E Jan-Feb 1989 I think. That included a screw-jack mechanism to swing the wings. Not sure about any weight-shifting arrangements.
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What is it? Glass Fibre fus
Alistair Taylor replied to Alistair Taylor's topic in Gliders and Gliding - General Discussion
Found it. Airtronics Legend, early version, probably a bootleg copy (it seems to contain the hair of whoever made it) with the cockpit/center section recess not yet cut out. Plan available elsewhere online so I should be able to construct wings for it; -
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Hi Kevin It's got a bit of the Precedent Bi-Fly about it. That also had a stringered rear deck, and two point fixing for the wing, although the cabane struts were different. It used a wire framework instead of ali frame. Bi-Fly's have a reputation for being robustly built, so fitting a 60 to a Bi-Fly 40 would not be unusual I would suggest. I've never owned or flown one so I'm only reporting what others have said. Do you have the wings still? How long is it? AlistairT Edited By Alistair Taylor on 29/05/2017 20:18:37
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