
Chris Freeman 3
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Chris Freeman 3 last won the day on January 22
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Byron and I had great flying on Saturday morning, got to the field around 06:30, no wind and not that hot. When we left around 10 it was very hot at close to 30! Flew the Spacewalker and had lots of fun trying to land without a bounce. The Tiger Moth was made for those conditions and we put many miles on the wheels with touch and go's. The Stick had the counter rotating unit on it and it was surprising noisy with lots of prop noise. the performance is very good so we need to transplant it into the MB5. The grass runways are looking great after the rain but are a lot of work to cut as we only have 2 normal push mowers not ride on ones.
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My concern with the 148 is that it is a bushed servo and this can wear resulting in movement of the servo arm and then play on the aileron. I have always have very good service from the 3001's but they had a bearing. I am not a fan of big powerful servo's in slow aircraft or even warbirds as they are not needed.
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Brian Taylor 72" Typhoon Build
Chris Freeman 3 replied to richard dalgleish's topic in Scale Matters
Richard, I see you are a true scratch builder with cutting your own parts, do you use the pin method for marking the wood. The half formers on the plan make it hard for me. I do not mind cutting the parts but find the marking the wood the biggest challenge. I have a Traplet short kit for this plan, Tony Stephenson gave it to me when our house was destroyed in a fire. Still on my must build list 11 years on! -
11 years ago I was given a Spacewalker by my friend Alex as he said he was getting to old for such a large aircraft. It came as a receiver ready airframe and had a ST3000 to power it. I knew the aircraft well as I had always helped Alex when he used to fly it. Alex was not the original builder as he had been given the aircraft by a club member who was giving up flying so I am not sure exactly how much flying it had done but it must have been quite a lot in the 20 years of existence. Alex is coming flying with us on Saturday so I decided I must take the Spacewalker out to show him that it is still flying. As it had not flown for quite a while i took it down and removed the cowl to check that all is well and also ensure that the carb was not gummed up. Once this was done I cycled the nicad battery for the onboard glow and was surprised to find the battery was still fine. I checked the controls and the 35meg PCM receiver and servos and they were all fine. I then took the wing down to check the spats as they were showing a lot of wear and cracks. The wing is one piece and a pain to move around the workshop. whilst the wing was on the bench I took the servo hatches off to check the aileron servos to make sure that they were still securely mounted. I was shocked to find that these servos were humble Futaba 148's! This is defiantly not a servo I would use in an airframe this size but there the were and given no issues in the 20 years of flying. I will be getting these replaced. The Elevator servo is a Hitech 1/4 scale servo that was available in those days for the high load functions.
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My Father and my father in-law were both active modelers and both were not very confident in the flying ability of a Spitfire and could not understand why I wanted to build one. I found that a Spitfire was a very rewarding aircraft to build and fly and not deserving of the bad reputation it had as a model. I must also say that the 70" and larger airframes were much more flyable at our altitudes. Many of the smaller Spitfires were often very heavy and we did not have the radio's that allowed a good set up to be used, no dual rates and expo in those days.
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I often find myself looking at pictures of a Spitfire or a good 3 view and then next thing I know I am looking at plans or some of our projects and that gets me going. Byron found the same problem and that is why we have this Spitfire spurt! I hope you get going soon Jon, time to enjoy your hobby.
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Wessie very kindly did this video for Byron. I think the performance is very good considering it is a 30 year old engine and 5500' altitude. 40 year s ago this would have been a dream project. Byron Freeman - 1/5 scale Spitfire
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Lots of word work in this kit and build blogs really help when you need some ideas on how to do some things.
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I did not think that it was such a long time ago that I posted updates on this project. I had done quite a lot of work on the airframe and had done most of the components and had started getting all the bits together when we got the molds for the Yellowish Spitfire. When Byron made the parts for his aircraft he made additional parts for this airframe as well. Byron has continued with the assembly and it is now looking like a Spitfire. A DLE 55 has been mounted and the airframe now needs final sanding and then glassing.
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We flew the Spitfire again yesterday and the motor is getting better after not having been run in about 10 years, also changing to a Taylor plug also improved things. The Spinner runs true and adds no or little vibration which is a relief. Detail is been added the whole time but a few distractions have emerged!.
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1/2A Carl Goldberg Cessna Skylane
Chris Freeman 3 replied to Chris Freeman 3's topic in All Things Model Flying
Jhon also told me how in the 60's he was in the USA on a Boeing 727 course and he had the opportunity to purchase a full size Corsair, at that stage it was 2 USD to the ZAR ( it is now 18.78 ZAR to USD). The airframes sold for USD 2100 for a complete but not airworthy and 2700 for an airworthy example. He calculated that he could afford to purchase one but decided that he would not be able to afford the fuel bill as it used 36 gallons an hour! -
A few weeks ago I was given a completed airframe for the Skylane that had never been flown as it still needed a radio to be fitted. After it lay on my cluttered workbench I decided to finish it as I had all the required bits. I installed a GWS motor and esc and 2 9 gram servos but noticed that it was still very tail heavy. over 200 grams of lead was needed to get the CG in the correct position, this was very disappointing as the airframe had been built from one of the original Carl Goldberg kits. The older modelers from the 60's and 70's all know how well the Carl Goldberg range of Skylanes, Falcons and Skylarks flew. A test flight was done in marginal conditions and the performance was about the same. I need to decide what I am going to do as it is such a pretty airframe. Whilst looking at the Skylane I received a visit from along time friend who I used to sail with and also a lot of flying with as he retired as a Senior Captain flying 747's. I showed him the Skylane and he got a smile on his face. John had owned one in the 60's and it had a TD 047 and an OS Pet single channel radio. Whilst getting ready to fly one day his friend arrived to show him his new car he had just bought. When John said he wanted to go flying the friend said they must go in his car. On arrival at the flying field the Skylane was soon checked, fueled and the TD started. The first part of the flight went well but then was struggling to get the skylane to turn so he was running after it trying to get it too respond. eventually it turned and flew back to them but then suddenly went into a steep turn and dived from quite high with the TD screaming. The Skylane hit the friends new Ford in the center of the roof and the metal spinner punched a hole in the roof! John said it was a very quite drive back to his house.
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As Byron wanted to do the fighter reconnaissance version, I decided that I would assist with the cannon for the aircraft. Out came the old Dave Platt plans so I could make them to the size shown on the plans. I took 12mm square balsa and added 8mm balsa on each side to give me the size that I needed. I then used a piece of old TX Aerial and pushed this into the balsa and then glued it in so I could then use it as a spindle so I could shape the block. I used 40 grit floor paper held in my hand to do the initial shaping and then 80 grit to finish. I then assed some ply and tapped the ply for 3mm nylon bolts so the cannon can be removed and also create a shear point. The hard bit is now to finish and mount them but that Byron can do!