JET FX
Posts: 1527
Joined: 1/20/2002
From: Sydney, , AUSTRALIA
Status: offline
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quote:
ORIGINAL: p-80
i am new to jets and and currently looking for which turbine i plan to use on my model i was wondering what theadvantages the tjt turbine might have over lets say the more generic brand as of right now the reason i ask is from what i can se from the outside tjt turbines look to be of more quality and that is what has atracted me to them plus one other question i noticed on some of the other tubines and on tjt has the cone shape coming through the inside of the exhaust what is this for
Hi P-80 thanks for the interest in our engines... some of the differences between TJT turbines over the rest is efficiency, reliability and longevity.... TJT turbines have a 100+hr service interval if engines are maintained to manufacturer recommendations, this means simply avoiding ingestion of foreign objects i.e. dust, grass, stones etc. and use of correct fuel i.e. triple filtered Kerosene and 5% turbine oil. If you checkout service intervals on other brands you will see 25hrs is a common service interval, to me this indicates higher component ware and less efficiency in comparison, so if you had to say replace bearings every 25hrs on other brand turbines which seems likely in many cases (note 25hr service interval) the cost long term say over a 3-4 year period could have you near on a second turbine if you fly alot.... TJT's 100 hr service interval is just a check up on the bearings and likely these will not need replacing anyway for closer to 150hrs in most cases. TJT turbines are definitely 'Tonka Tuff' so to speak
Design wise the TJT-3000 V2 for example has evolved into the highest performing turbine engine in its class, just compare various manufacturers specs to ours the TJT-3000 runs cooler, uses less fuel has faster spool up and down time and is unique with a near indestructible CNC machined aluminum heat sink outer case which can handle extreme crash damage were many others would be a trash can jobs the TJT's likely will be repaired and in the air again in a very short time (ask me how I know this) 
The TJT 4000's combustion chamber, bearing carrier design, fuel stick burner design, exhaust cone design and laminar flow inlet cowl, kero start system, and integrated smoker system are some differences unique to TJT's. The exhaust design is also unique to TJT's with the design optimized for efficient combustion chamber fuel burn and exhaust gas flow through efficiency...
Hope this helps please feel free to ask all the questions you like anytime...
All the best-
TJT Turbines
< Message edited by ozcan -- 6/22/2006 8:29:01 AM >
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TJT 4000 Condor at 38lb - 
