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RE: JetJoe OWNERS thread - 12/3/2012 12:10 PM   
BJ64



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From: Melbourne, AUSTRALIA
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quote:

ORIGINAL: i3dm

Some flying from today:



Nov 31, huh? Must have a different calendar over there LoL

Nice flyin, Dude

I can see you're into low inverted passes, and low fast passes too

What did the guys who turned up in the military-looking thingy say?

BJ

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RE: JetJoe OWNERS thread - 12/3/2012 4:53 PM   
pulsar110


 

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Status: offline 		nice video Lior, your heli flying is showing through.

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RE: JetJoe OWNERS thread - 12/3/2012 5:20 PM   
frema


 

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quote:

ORIGINAL: streakflyer

Thanks Frema

its strange,  I thought 1 of the 3 legs had a stripped thread as none of the screw would tighten fully in that one leg, so i ordered another full set of legs and screws and they are exactly the same problem

when I fasten all the screws as fully as I can the Bullet is slightly off centre, when activated the cup vibrates on the compressor nut and will then will not retract when the starter is turned off



i forgot to ask you
but did you solve the problem already?
regards,
Martin.

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RE: JetJoe OWNERS thread - 12/3/2012 5:37 PM   
streakflyer


 

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From: , UNITED KINGDOM
Status: offline 		Hi Martin

Yes, the front cover holes are not accurately drilled at 120 degree spacings, I will order a new one, shame as its a JTL 1200 which is a rebranded Jet Joe and the cover is anodised a very nice green.

Does anyone know if a servo tester can be used for the throttle control instead of a full radio rig ?  I only want to bench run this engine

Best Regards

Jaz


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RE: JetJoe OWNERS thread - 12/3/2012 5:39 PM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		yes you can run it
but i use it with ecu
the only problem i had was learning the ecu and transmitter
but its oke now
Regards,
Martin.

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RE: JetJoe OWNERS thread - 12/4/2012 1:17 AM   
idleup1


 

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Status: offline 		you can make a tool to check your alignment with a homemade tool like this.(o.d same as inside starter housing i.d. on small end to fit impellor nut. With the cover on it should slide straight onto nut. the front cover can bend easy. reverse tool to bend the cover. If you want it perfect make a mount for your cover on the lathe. Chuck up a scrap piece of 3" plastic pipe face off and trim o.d. back 10mm or so the cover will slide on tight . glue on some emery cloth on front cover on the area the legs will hit. hold small end of tool with drill chuck housing on tool with leg toward cover. spin the cover and slide tool and starter housing out to contour legs to match cover shape. remove emery cloth and put 3 pieces of tape where the legs go. trace the outer edge of each leg on masking tape mark center and drill. assemble and check with your tool.

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RE: JetJoe OWNERS thread - 2/4/2013 6:31 PM   
snir2001



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From: Eilat, , ISRAEL
Status: offline 		Hi guys,
I test run my JJ3000 after it came back from service.
The service test **** was flawless... the engine rev to 115K with temp of 720c.
on my bench test the results was rev up to 102K, heat up to 800c and the ECU slow it down to 92K....
Bearings are new, injectors free and clean (I test it) and the engine is well balanced.
Every thing looks o.k but the engine heat up....
Do you have any idea why?

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RE: JetJoe OWNERS thread - 2/4/2013 6:56 PM   
croatiablu


 

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quote:

ORIGINAL: snir2001

Hi guys,
I test run my JJ3000 after it came back from service.
The service test **** was flawless... the engine rev to 115K with temp of 720c.
on my bench test the results was rev up to 102K, heat up to 800c and the ECU slow it down to 92K....
Bearings are new, injectors free and clean (I test it) and the engine is well balanced.
Every thing looks o.k but the engine heat up....
Do you have any idea why?



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RE: JetJoe OWNERS thread - 2/6/2013 7:20 AM   
chrigui



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the gap between compressor blade and intake cover?
the gap between turbine blade and NGV ring?

Edited to remove response to a deleted post.

< Message edited by j.duncker -- 2/6/2013 7:33 PM >

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RE: JetJoe OWNERS thread - 2/6/2013 7:50 AM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		no no , to open ngv Christian
i already know the problem with those engines
i serviced many
the jj 3000 after i serviced it, had almost 15 kg of thrust with low egt

Regards,
Martin.

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RE: JetJoe OWNERS thread - 2/6/2013 8:00 AM   
chrigui



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From: ferrara, ITALY
Status: offline 		really too open?!? jj mistake?

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RE: JetJoe OWNERS thread - 2/6/2013 9:23 AM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		i think so
but i thought the new version of the 3000 is much better, much cooler running
Regards,
Martin.

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RE: JetJoe OWNERS thread - 2/6/2013 11:00 AM   
Xairflyer



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From: Co. Donegal, IRELAND
Status: offline 		So what do you think is the problem Martin?
Along with what Christian said there are other items that can cause high EGT like leakage around the case, especially where it fits around the front cover/diffuser, faulty EGT probe, also too small of a tailcone.
But this turbine was running ok so without seeing it myself hard to state what.

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RE: JetJoe OWNERS thread - 2/6/2013 11:50 AM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		Yes, its not easy to tell the precise failure
but, the engines i had for service had trouble with the ngv
ofcourse what Christian is saying is also true
if you have to much gap between compressor and intake , it can be a hot runner
and yes you are right too , leakage around the front cover in the case can be a probem and causes high egt
i will come back on this
Regards,
Martin.

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RE: JetJoe OWNERS thread - 2/6/2013 5:46 PM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		well, i notice very quick whats wrong with a turbine when it runs
i have so many experiance, its not a problem for me
also other brands like jetcat make mistakes , like the p20
an engine that can produce much more power .
Regards,
Martin.

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RE: JetJoe OWNERS thread - 2/6/2013 6:17 PM   
snir2001



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From: Eilat, , ISRAEL
Status: offline 		I will check the gaps and come back with an answer.
What can be wrong with the NVG ?
Also, I attached some pics from the checks I did before the last test run (after the engine was packed for two years...)
The pics is from a cellphone so the quality is not something...

http://www.youtube.com/watch?v=XQwuLbc0Zeg


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RE: JetJoe OWNERS thread - 2/6/2013 6:57 PM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		oh i already saw the problem
sent a pm to me ,and we will talk
regards,
Martin.

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RE: JetJoe OWNERS thread - 2/6/2013 7:36 PM   
j.duncker



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From: At anchor, , ANTIGUA AND BARBUDA
Status: offline 		I need to remind posters that this thread is for JETJOE OWNERS only.

If you do not own one please do not post in this thread.

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RE: JetJoe OWNERS thread - 2/6/2013 8:47 PM   
toolmaker7341


 

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quote:

ORIGINAL: j.duncker

I need to remind posters that this thread is for JETJOE OWNERS only.

If you do not own one please do not post in this thread.



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RE: JetJoe OWNERS thread - 2/6/2013 9:22 PM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		oke ,oke , i will go
if the jetjoes run like **** , and i want to help them, but i am not alowed
then its bye bye



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RE: JetJoe OWNERS thread - 2/6/2013 9:48 PM   
toolmaker7341


 

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Status: offline 		I don't believe that statment was ment for helpful posts ,it was for negetive posts. You are welcome as far as I'm concerned.

Best Regards

quote:

ORIGINAL: frema

oke ,oke , i will go
if the jetjoes run like **** , and i want to help them, but i am not alowed
then its bye bye





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RE: JetJoe OWNERS thread - 2/6/2013 10:00 PM   
frema


 

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From: sint-maartensdijk, NETHERLANDS
Status: offline 		phoeeeeeeeeeeeeeee
that is a relieve
sorry for this
i thought i was not welkom here
i smile agian

Regards,
Martin.

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RE: JetJoe OWNERS thread - 2/6/2013 10:23 PM   
idleup1


 

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From: , NM, USA
Status: offline 		will run you jjr this weekend. waiting on probe and starter in customs

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RE: JetJoe OWNERS thread - 2/6/2013 11:40 PM   
Xairflyer



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Status: offline 		Martin you are more than welcome, are you thinking about egt probe position?

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RE: JetJoe OWNERS thread - 2/7/2013 11:34 AM   
frema


 

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quote:

ORIGINAL: Xairflyer

Martin you are more than welcome, are you thinking about egt probe position?

no there is more
you see the combusting
its to much to the back of the chamber
we need some tools to fix this

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