Hi all, I have acquired a JJ 1400 in australia. Brett had the engine working on his test bench then packaged it up and sent it to me. I done a silly thing and hooked up the gas line to the fuel line and vice versa and cooked it (just don't ask) . I sent it back to brett and he repaired it and sent it back, new fuel ring and rear bearing.[img][/img] He did run it on his test bench and said it ran perfectly with all my gear.

I mounted the engine on a test bench and tried to run it to no avail. the starter motor failed, then the ECU failed ( the circuit board melted) so I repaired it and now it will run.

My problem is the temps durning the startup run around the 800's and sometimes it will slow down durning start up to cool down from the "over temp" then climb to an idle, but the idle is set to 45K but it sits at 50-55 odd K and will settle at 45K (+ -) 5K fluctuating but idles with a temp of 630 odd degrease.. then when i do the learning function up down 3 times 10-15 seconds up 10-15 down 3 times it is all over the place, at top end the temp is at 800 + and will sometimes shut down ?

The thermo couple is only 0.5mm in (any further it just over temps even at idle) I have tried another thermocouple (from another one of my turbines) but the same result.

I have a single cone tailpipe and have read that using the 2 piece pipe will fix the problem or even shaving 5mm from the length of the tailpipe will fix this is it true ? why did brett get it to run and I cant ?

I am using futaba 14 MZ and my fadec is setup, I have also tried using a 2 ch standard hitec radio but to no avail.

Full 160.000
Idle 45.000
Stop30.000
Start min temp 100
Max temp 800
Acceleration Delay30
Deceleration Delay 30
Stability delay 60
Pump start point Auto + 2
Pump start ramp 005
Glow power 020

trim down stick down 0889 @ 00 %
trim up stick down 1060 @ 13 %
trim up stick up 2178 @ 100 %

V.B reads 7.1V (using a top fuel 2 cell 2100 MAH LIPO
Firmware 4.03

I have tried with the accell and de cell at 20 and at 25 also with both at stability delay of 50 but the current values allow it to run (just)

I am stumped I am an experienced turbine user and am just baffled at it. the bendix is dis engaging and I am disconnecting the gas (3 seconds into fuel ramp)

I would love some help as I have now purchased a jetcat P60 to fill the shoes of this engine but I will not let this engine beat me. I will buy a falcon 120 airframe for it and "tinker" with Below are some pics of the inners of my engine.