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RE: JetJoe OWNER... - 5/26/2008 5:36:28 PM   
dw_crash


 

Posts: 283
Joined: 2/1/2003
From: Edmonton, AB, CANADA
Status: offline
quote:

ORIGINAL: Xairflyer


quote:

ORIGINAL: dw_crash

Well now it comes to moving the legs in the cowl. Grab and yank....


Unfortunatly it is not as easy as that, been at it all day yesterday, it is very difficult to see if it needs to go up, down, left, right etc

It might be easier to remount the starter with new mounting holes.

I mounted my own starter motors. What i did was to place the cowl on a flat table. Place masking tap where the legs of the motor contact the cowl. Then, using a square, eyeball the stater motor being square to the table from several directions. Now, mark the center of each leg on the masking tape. Measure the marks from table top. Average then out and remark this new location on the masking tape. Drill new holes at these locations. Done carefully, I found it get the starter darn near perfectly square to the impellor.

Good luck,
DW_crash

(in reply to Xairflyer)
       Post #: 1676

RE: JetJoe OWNER... - 5/26/2008 5:45:55 PM   
starzak



Posts: 1739
Joined: 12/5/2001
From: Chacotoma, NM, USA
Status: offline 		rcdriver22, tredstone, rcguy

Don't ever go away guys. I find basher mentality such as yours, both pathetic, and amusing ! You really contribute a lot to this thread.

Keep up the good work.

> Jim

< Message edited by GeeBeeJim -- 5/26/2008 6:32:02 PM >

(in reply to Xairflyer)
       Post #: 1677

RE: JetJoe OWNER... - 5/26/2008 6:38:02 PM   
TREADSTONE



Posts: 935
Joined: 11/21/2005
From: , UNITED KINGDOM
Status: offline
quote:

ORIGINAL: TREADSTONE


quote:

ORIGINAL: GeeBeeJim

Here in the U.S. , the JJ's popularity grows by leaps and bounds.

> Jim


Can you quantify this statement.




...Can i ask the qustion again?

Thanks.

_____________________________

We shall require a substantialy new way of thinking if mankind is to survive.
Albert Einstien.

(in reply to TREADSTONE)
       Post #: 1678

RE: JetJoe OWNER... - 5/26/2008 7:37:56 PM   
rcguy!



Posts: 2081
Joined: 1/25/2002
From: Chesterland , OH, USA
Status: online
quote:

ORIGINAL: GeeBeeJim

rcdriver22, tredstone, rcguy

Don't ever go away guys. I find basher mentality such as yours, both pathetic, and amusing ! You really contribute a lot to this thread.

Keep up the good work.

> Jim

I'm still waiting for your answer...How many flights do you have on YOUR Jet Joe? If you think this is bashing...report my post. If not, please answer my question?

Dave

< Message edited by rcguy! -- 5/26/2008 10:47:55 PM >

(in reply to starzak)
       Post #: 1679

RE: JetJoe OWNE... - 5/26/2008 9:48:50 PM   
Xairflyer



Posts: 287
Joined: 12/17/2002
From: Co. Donegal, IRELAND
Status: offline 		sounds like a good method

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(in reply to rcguy!)
       Post #: 1680

RE: JetJoe OWNE... - 5/26/2008 11:59:33 PM   
idleup1


 

Posts: 13
Joined: 12/10/2006
From: , NM, USA
Status: online 		to check starter alignment make a simple tool on a lathe. Make it to to barly slip over front nut. Remover starter motor and push in tool to check alignment. To profile the legs of your starter mount to your front cover turn a piece of 3" pastic pipe to mount front cover. hot glue 3 or 4 pieces of emery cloth to front cover and spin in lathe. hold nose of tool in chuck with starter base on tool legs facing cover. sand legs agaist spinning front cover. mount cover on motor. remove emery cloth and put masking tape on where legs meet. Put tool through starter mount. slip nose of tool over nut and trace legs with fine pen. center punch with sping loaded punch .
after mounting slip in tool. It should slide easy over front nut.
if it is off some you can reverse the tool to "tweak " the front cover.


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(in reply to Xairflyer)
       Post #: 1681

RE: JetJoe OWNER... - 5/27/2008 1:45:56 AM   
Woketman



Posts: 4029
Joined: 12/6/2001
From: Slidell, LA, USA
Status: offline
quote:

ORIGINAL: GeeBeeJim

rcdriver22, tredstone, rcguy

Don't ever go away guys. I find basher mentality such as yours, both pathetic, and amusing ! You really contribute a lot to this thread.

Keep up the good work.

> Jim


How in the world do you figure these guys as bashing? They just asked a reasonable set of questions. Your silence in not answering the "how many flights on your JetJoe" question sure makes it look like the answer is incriminating!

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Team Fromeco

(in reply to starzak)
       Post #: 1682

RE: JetJoe OWNER... - 5/27/2008 2:50:34 AM   
GSR


 

Posts: 969
Joined: 10/31/2002
From: SoMexifornia, CA, USA
Status: offline 		Woket,I dont think that Lynch even has his JJ for his copycat 120 yet. He is just one of those guys that thinks that there is a huge conspiracy by we elitist turbine types to keep the fun to ourselves by keeping the peoples turbine suppressed. Scott

_____________________________

"If you ain't crashed-You ain't flown"

(in reply to Woketman)
       Post #: 1683

RE: JetJoe OWNERS thread - 5/27/2008 4:22:27 AM   
swampy57


 

Posts: 9
Joined: 5/21/2008
From: perth, AUSTRALIA
Status: offline 		I have two jj1800 full auto start
One destroyed it self on take off (saved the boomerang XL) the unit seized the rear bearing and I don’t believe it is worth repairing and neither does JJ
sent it to jj for warrenty was sent back unrepaired with quote of $900 (approx) only the outer case and starter are left.
Mounted the second in the boomer and rear bearing on this one began to rattle after two flights.
Have tossed them under the bench for a later project. Maybe

(in reply to seanreit)
       Post #: 1684

RE: JetJoe OWNERS thread - 5/27/2008 9:14:27 AM   
goldcoast


 

Posts: 10
Joined: 9/13/2007
From: bienne, SWITZERLAND
Status: offline
quote:

ORIGINAL: swampy57

I have two jj1800 full auto start
One destroyed it self on take off (saved the boomerang XL) the unit seized the rear bearing and I don’t believe it is worth repairing and neither does JJ
sent it to jj for warrenty was sent back unrepaired with quote of $900 (approx) only the outer case and starter are left.
Mounted the second in the boomer and rear bearing on this one began to rattle after two flights.
Have tossed them under the bench for a later project. Maybe


Hi,

I report on the Post #: 1663 that the 2 bearings are not precharged on the jj-1800 due to the two o-ring. The spacer how make the precharge after the spring don't slide smoothly!

For information You don't have to open the turbine engine to check the preload. Just push from the front the compressor nut, it must move ~1mm rear and when you release it must come back the initial position due to the preload spring and spacer inside.

Sorry for my english

(in reply to swampy57)
       Post #: 1685

RE: JetJoe OWNE... - 5/27/2008 9:27:00 AM   
swampy57


 

Posts: 9
Joined: 5/21/2008
From: perth, AUSTRALIA
Status: offline 		hi goldcoast
thanks for that your english is ok with me
the first engine went from 115000rpm to 0 in 1 second so it twisted the internals of the turbine. the burn chamber main shalft and both wheels are not to flash

swampy57

(in reply to goldcoast)
       Post #: 1686

RE: JetJoe OWNE... - 5/27/2008 2:37:42 PM   
Xairflyer



Posts: 287
Joined: 12/17/2002
From: Co. Donegal, IRELAND
Status: offline 		Thanks for the info and drawings Idleup.

I started to look at doing what DW crash suggested and when I had it all apart I thought why not check the way it is already with the square method.

So i put the housing on a flat surface with a square to the side/behind and slowly rotated it until I identified which way it was off, I then gave it a little "tweak" and checked again.
I now have it perfectly square but it may still be off center, but this method works really well to get it vertical.

Going to turn up a dummy motor with a point and then slide it through the housing and see if it meets with the center of the spinner nut. If not then I will have to re-drill using Idleups method I think.

Thanks again all the different suggestions got me thinking in the right direction.

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< Message edited by Xairflyer -- 5/27/2008 2:44:00 PM >

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(in reply to swampy57)
       Post #: 1687

RE: JetJoe OWNERS thread - 5/27/2008 10:28:15 PM   
meps


 

Posts: 189
Joined: 5/11/2004
From: durham, NC, USA
Status: offline 		Where did you buy your engine? I have one in a Topgun Mig29 and it's doing well.
Steve

(in reply to swampy57)
       Post #: 1688

RE: JetJoe OWNER... - 5/27/2008 11:30:11 PM   
The birdman



Posts: 154
Joined: 6/2/2006
From: Manhattan, NY, USA
Status: online
quote:

ORIGINAL: GSR

Woket,I dont think that Lynch even has his JJ for his copycat 120 yet. He is just one of those guys that thinks that there is a huge conspiracy by we elitist turbine types to keep the fun to ourselves by keeping the peoples turbine suppressed. Scott


But if you look at the cost of something like a second hand Jetcat (without that much time on) it comes in at the same price as a JJ. So I don't get how some think there's a huge conspiracy theory stopping access to this side of the hobby?

(in reply to GSR)