Started by FlyinBrian, January 05, 2014, 07:03:53 am
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Quote from: FlyinBrian on January 05, 2014, 07:03:53 am I know "Fighter Aces" produce a kit of mainly ply construction and the various Boomerangs contain a lot of wood. But they are to my mind blumming expensive for what they are. I am a pretty adept builder of standard models and it seems to me that it should be possible to build something to suit a modest sized turbine engine (say 15lb thrust) for a Brian
Quote from: jetster on January 05, 2014, 11:02:08 amHave a look at the Ripmax Xcalibur for an artf jet it is very good value for money at around a grand with retracts and brakes that are made especially for this plane,it may suit your needs
Quote from: xairflyer on January 05, 2014, 12:56:13 pmTo answer your initial question, yes of course conventional construction works as a jet, many of the jet trainer kits are simply balsa and ply (boomerang)There are many ways you can go, you seem to have the knowledge so why not just design your own copying the proportions/wing section from the boomerang intro to give you a start and help you along.Look for many of the plans that are out there, they don't have to be turbine only, lots of the 91 size ducted fan plans suit perfect for a 60-80 size turbine.Buy something second hand there are lots of boomerangs etc ready to go for between 800-1200 coming up regular on BMFA classifiedsThe cheapest and best value jet which fly excellent and land very slow are the falcon 120/navycat/tornado/kestrel models, the falcon 120 is the cheapest in the range but requires a little more mods the navycat (£250 colchester models) etc are coming more turbine ready.Yellow one is my navycat with a P60 one behind is a Falcon 120 built for a friend with a wren 54.
Quote from: THE BLACKBIRD on January 05, 2014, 08:03:00 amHi Brian I have just built a Hawker Hunter from scratch using balsa an ply, from a Traplet plan and it fly's great using a Jetcat 100RXJust got to fit proper retracts and paint herTony[attachimg=1][attachimg=2]
Quote from: FlyinBrian on January 05, 2014, 23:02:39 pmLook, I am Yorkshire born and Geordie bred so I am afraid "a grand" is too blumming expensive as is the Valkyrie which lets face it is just a big plywood jigsaw puzzle. - Sorry Mr Clarke!
Quote from: rogerandout on January 06, 2014, 04:25:07 amS/H Reaper on BMFA at the moment for £100 I doubt you will get cheaper.i
Quote from: nickr100 on January 05, 2014, 10:07:32 amGet in touch with alasdair sutherland (Wetjet on here). his OD JayTee flys really well, has acrowot like flight envelope which can be extended to acrowot on crack if required. with a wren 54, it can take off in about 30yrd and land in less with its flaps down. i also know he is designing a low wing version too which i think is planned to be more sporty.
Quote from: wetjet on January 08, 2014, 21:54:12 pmNot sure of the weight of a Super Reaper tho.
Quote from: wetjet on January 08, 2014, 21:54:12 pmThanks for the plug, Nick100!!I still have not got around to drawing up the plans for the magazine (promised to Model World years ago, but still waiting for the round tuit), but JayTee does sound the ideal model for FlyinBrianothers I could suggest are the aforementioned Falcon 120 and Super Reaper. Not sure of the weight of a Super Reaper tho.My JayTee is ply and balsa with a foam/veneered wing and weighs about 6 kg (13 lb). The significance is in the legislation. Above 7 kg you need to adhere to more regulations, including the failsafe (essential anyway) and a height limit of 400 feet. That is useless for a jet, as a tight loop is bigger than that. I fly my heavier jets only on airfields with ATC permission, or at events with permission and NOTAM for operation to 1000 or 1500 feet AGL (that covers the legality).I have flown the JayTee on a Wren 54 Mk3 (14 lb thrust, 63N) using trike fixed gear or floats. It flew well even on a Wren 54 turned down to the power of a Wren 44 (10 lb thrust) but my next one (some time this year) will have an 80N Wren.
Quote from: FlyinBrian on January 08, 2014, 23:22:34 pmLook what I found:- can I keep it mum, can I eh pleeeeease
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