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Everything posted by Eric Robson
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Hi Chris, my Vulcan is mainly depron so a bungy launch will require a piece of wood attached to the underside for quite an area or have something attached to the nose leg mounting plate. It flies on one 4s 3600 at the moment which gets very hot. I have some props on order to try to get over the problem. On a static test the 8x8 props put out 325w per motor and the current draw was 34amps. The weather was hot about 26 at the field the model is 82"span, just over 8lb ready to fly. Is your Vulcan the Tony Nijhus version? It looks very good,
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A change to more powerful motors in the Vulcan seen it accelerating into the air and climbing steep despite a strong wind, I used 8x8 props. After 5 minutes the power dropped in the wrong place, I brought it in for a cross wind landing on the strip, just before touching down it weathercocked into the wind and made a perfect landing. On checking the battery it had 0.5% left. The following flight was cut short at 3.5 minutes on landing there was 54% left in the battery. After charging the first battery one of the cells has not come up to full charge.
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Not me Paul I love them, especially with mint sauce 😋
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I had my first flight with the eflightray 82" span Vulcan yesterday, it has pusher props which are close to the ground, the slightest touch of elevator and they catch the grass. After 4 attempts it struggled into the air, not a lot of power but it flew well. I changed the props for less diameter more pitch but couldn't get it off again. I will check the motors and esc's to see if they can take 4s, it is currently on 3S 5000 s. After 3 minutes flight I brought it down for a battery check, it had over 70% left. The wind direction was the biggest problem I had to take off on the short strip..
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I had a piece of cod with chips yesterday, it looked nothing like that. Having said that, it was battered
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Glue n Glaze Canopy probs
Eric Robson replied to Albert Ace's topic in Building from Traditional Kits and Plans
Probably because the sellotape stops the air getting to the glue 🤔 -
Sad fact of life, war advances technology faster than anything else,
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Obviously didn't duck
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My first thought was a Grumman Duck. Milliput is a good epoxy putty
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Time flies, looking back through my pictures it was last October when I built the Spitfire, the two pictures show the difference between the modified one and original. Particularly the forward rake.
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I have 2 Warbirds Replicas Spitfires, one is ic and the other electric, I built the electric one this year and fitted Paul's undercarriage during the build. It transformed the ground handling, even when the strip needs cutting it still taxis out and doesn’t nose over on landing. The ic version is awaiting repair but when I get round to it I will retro fit the modified retract mounting.
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Fouga magister 1/4.5 moulded from scratch
Eric Robson replied to dirk tinck's topic in Electric Ducted Fan
Fantastic work, great video. -
I had to wear 2 hats because the sun shrunk my head
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Forum members' new models: Let's see them.
Eric Robson replied to Paul Marsh's topic in All Things Model Flying
Definitely suitable for B.o.B -
Same as last year, I'll come in a Skoda
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A bigger foamboard build - Miles Hawk Speed Six
Eric Robson replied to Lipo Man's topic in Own Design Project Blogs
I wouldn't have the leg in that position as it will kick back on landing and crush the foamboard brace. The drawings are a Miles Magister which is I believe a development of the Speed 6. The spats were removed from the later Magisters -
Mine aren't saggy! It's my skin underneath them that gives the impression
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Bit like your shorts Ron😀