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stevejet66

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  1. Dangerous, I remember once two young kids messing around with batteries, I was over the park one day watching two lads, One was drinking battery acid and the other eating gunpowder, The police were called and the two youths arrested, Apparently the one had been let off and the other one had been charged
  2. I think all you lot need to get a life, I just think a lot of you if not most lead a very very sad life as professional keyboard warriors all day playing, Mr policeman, Solicitor, Politicians And the mr do gooder, Now Lets simplify all this, Go to CAA website, Register Take test Print docs off Go fly
  3. It amazes me how one simple question can lead to an endless tiring thread with all the politics thrown in to go with it. forum police i call um.
  4. Hi everyone, Due to the new legislation with model flying ive decided to call it a day, I neither have a B or A certificate for flying. Although ive flown for many years now in a private club i just cant be bothered anymore, I will let my club members know tomorrow im pulling the plug. I will have a fair bit of gear for sale on ebay at the weekend, Collection only from wolverhampton/willenhall area, Look for stevem-03 on ebay. Planes, Wings, Engines, endless bits n pieces. Thanks for looking.
  5. If this new legislation definitely comes into force all my gear will be on EBAY, Not going through all that crap just to fly a model aircraft, Ive got better things to do with my life im affraid.
  6. So in a nutshell does this mean we will have to pay a fee and also take a test to ensure we are safe to fly model aircraft.
  7. Dave there are plenty of places that supply ceramic bearing but be very carefull as not to get ripped off, One well known manufacture in the uk wanted 100 pounds for two bearings, Got mine online for 35 pounds the pair, As far as the gas turbine builders association are concern you may as well try filling a bucket up without a bottom in mate because youll get more out of it., The association was more for there own benefit than anyone elses.
  8. 1. Realistic target thrust for a DIY build with non-CNC machining. (I can do most manual machining) Answer: My realistic thrust target was aimed at 12lb, However this depends not so much on rpm but ensuring the the inner and outer exhaust nozzle is the correct shape and size, This was made by making a plug and the inner cone was pressed over the plug via an outer ring to form the shape. Thrust is now 16Lb. 2. Are there circuit diagrams available for the FADEC (I'm reasonably competent with soldering /bread-boarding / component installation - but not surface mount ! Also, testing / fault-finding). Answer: There are circuit diagrams but would take for ever and a day to build, These were about 10 years ago or so ide be very surprised if components were still available plus you would need a chip programmer and other software to configure exactly what you want your Hombuild fadec to do My thoughts are its not even worth the paper its wrote on. I dont use fadec, My throttle control is programmed on the helicopter throttle curve on my spektrum DX7 and a fuel expansion tank for precise throttling. 3. What sort of jet-pipe temperatures can be expected at full thrust. Is 'Stainless' likely to be ok for material or do I need to go 'exotic' - Inconel etc. Answer: At full throttle my turbine runs at a cool 525 degrees centigrade, Thats cool! I use an inconel turbine and NGV and stainless combustion chamber. 4. If you have any flying experience with turbines, what sort of Fail-safe's would I need to consider - fuel cut-off, JPT limits exceeded etc. (SR 71 can you help here please ?) Answer: ive only flew it once, But regarding saftey i have micro switches operated by mini servos and saftey shut off valve for fuel, Again operated by servo all programmed on my DX7. This enables the fuel pump to be switched off and fuel shut down as another back up. Hope this helps dave, There many other factors to, You would also need to work out how you would monitor the rotational speed of your turbine, I had no way or devise to help me with this so i had to work out what was the rotational speed by the amount of thrust it produces quite simply by using kitcken scales, A simple enough task but only one would be a fool to be as excited to see your turbine kicking out 20Lbs or so of thrust when its probably on the verge of distruction, Keeping within parameters is absolute.
  9. Hi guys, Im afraid i had to abandon the website, From what turned out to be a fun project (which it still is to me and should be for anyone) Became a bit of a nightmare. I didnt expect the attraction that i had anticipated, I was getting endless emails from around the world, Mainly turkey, Russia, Romania, Greece, Saudi arabia, Unites states, I just couldnt keep up with them, It even flowed on to my facebook page via PMing having to eventually block them. Amazing what a website can attract. If i can try and help i dont mind but please take into consideration that some degree of engineering skill is required for home build and endless hours perfecting the final results so its quite a task. Not forgetting todays modern turbines are all cnc machined plus all the software that is needed to operate them, Hence the cost!
  10. You need one of these,,,https://www.youtube.com/watch?v=fIMfir6r1Rc Edited By stevejet66 on 07/04/2018 10:57:16
  11. A meat fly wedged in the glow plug
  12. Went sunday the only time i get, Not bad but only a third of the pilots remaining by 1pm, seems like a majority that displayed friday and saturday didnt fly sunday from what i heard, Also shocked at the sudden price rise at the gate compared to last year, Bit over the top for a model show i thought. Edited By stevejet66 on 19/06/2017 11:27:24
  13. Not sure why your getting false starts, The fadec will be programmed to give a pre start prime to both the oil feed/bearings and injectors, More than enough lube for starting, Start fail can also be through having your throttle trim to low, Take it up two pips.
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