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Jim Hearnden 1

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  1. A 10 or 11" prop would be ideal. It needs to be quite weighty as it'll need some flywheel effect. The one I had was fitted with a home made wooden prop. It ran pretty well, dead easy to start.
  2. First of the Few was silver all over with a two bladed prop. Read his build book its very good. https://www.spitfireaircraftworkshop.com/about-us/clive-du-cros-s-spitfire
  3. Can be a sign that the plug is past its best, they go white & crystalline long before they fail. You'll need a jewellers loupe to check though. Also sometimes worth playing with heat ranges as well.
  4. Quite happy to be second tranche. Too much going on at the mo!
  5. Did Primrose valley one year, had assistance & some training from the Ghost Squadron guys, John & one of the others. Did Brean Sands one year and flew off the beach. With Primrose we had our touring caravan there, but at Brean Sands we used a chalet which was really grim, dirty, poorly maintained you name it. Side story is on the way back from Brean we saved a guys life. We had a big box trailer on my Granada Estate to give more room. We're ambling along in lane 1 of the M4. Suddenly I spot a guy collapsed by an emergency phone. The phone was out of order, so we phoned 999 on my shiny new mobile. Put a coat over the guy as he was very poorly. Paramedics & plod were there pretty quick. It turned out he was diabetic & felt a hypo starting, so stopped near an emergency phone & then collapsed . The phone was out of order. His body temp was very low, it was getting dark, I reckon he'd have been toast if we hadn't seen him. It was only because we were doing 45-50MPH that I spotted him. Any faster I wouldn't have seen him.
  6. Years ago I used to cut my own cores. For smaller stuff used brown paper & paper based (not mylar) gift wrapping paper. The latter is what Mick Reeves used on his Disco. Water based PVA worked well & overlaps can be sanded to feather. On small (36") span bare foam cores it works well. I used tissue soaked in PVA as wing joiners for these as well.
  7. Yup thanks for that Gary. All I have to do is get it kitted out & ready to fly.
  8. OK does anyone have any idea what this is? Bought 3rd hand, sticker on the front is from Cobham Model Aircraft Club. Its around 60 inch span for a 40-46 Wood inside has long part numbers on, looks laser cut.
  9. That's 180G an hour or 817L per hour, that must be at full chat, I have a flight test on a Corsair & that's 350L per hour. Avgas is currently £1.85 a litre in the UK so that gives you an idea of running costs. Another major cost is insurance with Spits currently paying in excess of £300,000 for a year.
  10. Mike is great & highly recommended but has this banner on his website:- Regrettably due to the lack of spares I am unable to repair these products, please contact LogicRC on 01992 558226 for repairs.
  11. Not daft at all. The petrol will probably be a Miller cycle or Atkinson engine so super efficient & running at it optimum. By running it to a generator it doesn't need to vary speed. My Mitsubishi hybrid Outlander gets around 40MPG average over the 2 plus years I have had it. I can do 20-25miles purely on battery in the summer, which for travelling to our local towns mean no petrol. Yes a dirty diesel would possibly get a few more MPG BUT it will be considerably more polluting & secondly given the fantastically fine tolerances modern diesels run at if it goes wrong. There will be a struggle to fix it. Been there & got the T shirt. Also for short journeys it will struggle to light up the DPF to get a clean exhaust.
  12. The 140DZ doesn't pressurise the tank it pressurises the fuel feed. Mine has come with nearly a full gallon of 30% which is good. It also has an exhaust system like a church organ pipe. Hiding this in a fuselage will be a challenge.
  13. Part of this issue is that K & S which most places sell is American hence the weird sizes. In the old days when cars had chrome tube aerials that was always a good source of tube that would slide within each other. Also for making cutters to cut perfectly round holes in balsa. I've just found this place which does an extensive range of small tube. https://www.steelexpress.co.uk/stainless-steel/fractional-size-stainless-tubing.html
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