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Search: Posts Made By: Shadow9926
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Forum: RC Jets
08-09-2010, 09:30 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Hi Craig
Nice work on the new CC. I noticed in your post about making the fuel ring a bit smaller to improve combustion. My experience has shown that you need to be carefull with this, as getting...
Forum: RC Jets
05-18-2010, 06:27 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Hi Dave
I have seen similar problems before and they were caused by fuel getting where it shouldn't be inside the turbine.
Make sure that the gas and fuel lines are hooked up correctly (not mixed...
Forum: RC Jets
05-16-2010, 08:57 PM
Replies: 6
Views: 1,222
Posted By Shadow9926

RE: kee-kat turbine conversion

I did a conversion a couple of years ago and it was quite a good little plane. Be careful not to use too much power as it can get really quick (eagletree had it at over 240km/h with only 5kg of...
Forum: RC Jets
12-23-2008, 01:34 AM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Hi Myring

Idle is often when the EGT is highest, but your temps are too high. If you can notice any hot spots on the tail cone at idle , then I would suggest that you may have an uneven burn...
Forum: RC Jets
12-21-2008, 07:48 AM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

If you have the engine apart still, try checking that you have even fuel flow to all the fuel injectors. You can do this by taking the fuel ring, running gas through it and then lighting the needles...
Forum: RC Jets
12-20-2008, 07:07 AM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

If the engine is only running at 14k, when fuel is introduced, the engine will be unable to accelerate on it's own and will give a hot start. Normally the fully auto ECU is set to cut off the...
Forum: RC Jets
11-04-2008, 07:52 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

I won't argue with you about having correct gas setup (you can get the gas flame to burn inside the combustion chamber, without the turbine spinning over??), BUT I don't think that is where the...
Forum: RC Jets
11-04-2008, 02:24 AM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Xair, Zak has flames because the turbine isn't turning.

Zak
If there is feedback from the glow plug, the rpm reading will be above the threshold rpm for the starter motor to kick back in so if...
Forum: RC Jets
11-03-2008, 05:26 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Hi zak

I really doubt that you have a gas problem, if it's lighting, then it's fine unless your turbine will not accelerate enough to get to the fuel ramp, but if this was the case, then the...
Forum: RC Jets
11-02-2008, 07:37 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Going through a start sequence will show you the RPM problem right away. if you have a feedback problem, you will see the rpm climb when the starter engages and then start to jump around, then...
Forum: RC Jets
11-02-2008, 06:28 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Have you checked what the RPM during the start? You could be getting RPM feedback from the glow plug driver. This commonly shows up with an initial spin of the engine, gas ignition and then the...
Forum: RC Jets
09-26-2008, 12:57 AM
Replies: 33
Views: 4,631
Posted By Shadow9926

RE: Temora Air Show Sep 2008 Pictures

A few of the F16's at Temora. Popular plane.
Forum: RC Jets
04-09-2008, 06:17 PM
Replies: 5,051
Views: 1,095,727
Posted By Shadow9926

RE: Bob Cat Copy Falcon 120 Jet

Hi Ken
I have experienced some problems with engines mounted too close to the rear of the airframe (on a Keecat, not Falcon). At constant throttle, there are no problems, but when exiting a loop...
Forum: RC Jets
02-12-2008, 03:56 PM
Replies: 14
Views: 2,623
Posted By Shadow9926

RE: JetJoe 1400 Airframes

Sorry, no video. I mounted the turbine on home made aluminium mounts, made out of bent 3mm sheet. They look similar to the supplied plastic mount, but are longer. I had to drill a 33mm hole in the...
Forum: RC Jets
02-11-2008, 12:05 AM
Replies: 14
Views: 2,623
Posted By Shadow9926

RE: JetJoe 1400 Airframes

I converted a Nitromodels Keecat 65 to take a JJ-1400. It's a really good combination and flies really well.

Cheers
Ross
Forum: RC Jets
01-14-2008, 06:25 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

Hi Smithy

The JJ-1800 uses pressure differential between the rear of the compressor and the shaft tunnel to get air and fuel/oil flow through the bearings. The JJ-1400 is different and uses...
Forum: RC Jets
12-14-2007, 03:29 AM
Replies: 2,127
Views: 343,137
Posted By Shadow9926

RE: FLy Eagle Jet Models

I just received the Thunderbirds F-16 and the kit quality looks pretty good. The hardware packages are extensive, but I have noticed a few pieces missing with some of them. Fly Eagle Jets have been...
Forum: RC Jets
07-25-2007, 06:07 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

I3DM
I have contacted Joe and I am waiting for a response about what he would like me to do. If I take it apart, I will post the pictures.
Shadow9926
Forum: RC Jets
07-24-2007, 07:23 PM
Replies: 3,657
Views: 558,331
Posted By Shadow9926

RE: JetJoe OWNERS thread

The rear bearing of the JJ-1400 is GRW, but the front bearing is a different brand (information from Joe). I have a JJ-1400 that has just done the same thing, although I have not taken it apart yet...
Forum: RC Jets
12-10-2006, 09:03 PM
Replies: 42
Views: 23,270
Posted By Shadow9926

RE: Mirage F1

Hi Dale

I am gathering information to build a 1/7 Mirage F1 and have attached an image of the drawings that I have been able to find. Do you have any more detail or extra fuselage cross...
Showing results 1 to 20 of 20


 
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