copperclad Elite Veteran Location: ..
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| I dont believe the Trex is built well enough to cope with the 20cc motor.
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hi ozace you bring up a very good point , i have been reading the 600n forum since i got started on this idea and have been wondering the same thing , from every thing i've read the 600n is one of the , if not , the lightest 50 size machines around , and with aggressive 3D flyers , it needs more maintenance , which is a nice way to say it wears out quickly , some of the stories of 12 flights before a major overhaul can have you wondering if Align actually built it out of taffy , at the same time i am seeing threads on the Align forum , of a 600n with a .90 nitro and stretch kit for 710mm blades
alot of the kit looks very good , three main bearings , two above and one under the main gears , 10mm main shaft , all look very good to me
and as Peter pointed out , forget any problems with the clutch and drive train as the entire align drivetrain has been binned  , with the exception of the pinion teeth
mostly with me , i had been looking at the 600n and really liking it , and with these conversions the only way to find out is for someone to jump in and get wet , and since i was in the middle of the R-90 conversion , i felt that gave me a unique position , as every thing i using on the 90 was looking good to use on the 600 as well , and it is funny , as i work on the 600 , i am seeing the Raptor as overkill , not so much for a 260 or 231 , but for the 20 it starts to look a bit too heavy duty , and with the pair of machines it is going to take getting both finished and in the air , to get a feel for which one is closer to the ideal size for this little engine
i have been watching all the R-90 conversions for over a year , and carefully picking up pieces here and there , and looking forward to jumping in , but i have to say , since starting on the 600 , i have had a bad case of 600 fever , and with both conversions running neck and neck at this point , i am leaning towards finishing the 600 first , and i have to mention with my location in upstate New York , i still have an easy two months before flying season opens , and at the rate these are going , i should have both of them ready to go this spring , thanks again , dana 
[EDIT] about twenty minutes after posting this it occured to me there is a whole other area i should mention , i am pretty carefull , in my posts , to mention i am just a sport pilot at best , and that being said , my interest in this machine is goes along those lines
i have had the opportunity to see aggressive 3D flyers pushing machines around , and it is pretty impressive to see just how severe the loading on a 3D machine appears , in comparison the loading on a sport machine seems quite mild , and this has encouraged me to think , that for the type of flying i am interested in , the 600 will hold up fine , my main interest is in a smaller gasser than is currently available , so this project is mostly about my interest in looking into the possibility of a smaller machine , and of coarse the fun of trying to carry off such a project  |