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PostPosted: Fri Mar 08, 2013 7:07 am 

Joined: Mon Jun 20, 2011 2:24 pm
Posts: 57
Location: Tallinn, ESTONIA
In fact, that cylinder had back luck twice. Despite of the misalignment between exhaust port and flange being almost 5mm, the PO bored it to 60.55mm, causing a freshly rebuilt engine clattering on center cylinder.

Anybody seen this before?

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2x 69" H1


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PostPosted: Fri Mar 08, 2013 11:24 am 
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Joined: Tue Jun 07, 2011 6:37 am
Posts: 10460
Location: Rio Rancho, New Mexico
I have seen a lot of crappy castings.I really like the way intake studs can be "placed" almost anywhere........

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........


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PostPosted: Fri Mar 08, 2013 5:34 pm 

Joined: Sun Jun 12, 2011 6:32 pm
Posts: 249
Location: Indianapolis
Not like a, GE90-115B :)


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PostPosted: Fri Mar 08, 2013 5:50 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
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Location: North Central NC
Scully, I figured it would be worth looking up: "Maximum thrust: max at sea level: 115,300 lbf (514 kN) ; world record set at 127,900 lbf (568,9 kN) 827 feet above sea level"

64 tons is a lotta thrust.

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If it surges, that's normal, upshift.


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PostPosted: Fri Mar 08, 2013 6:15 pm 

Joined: Sun Jun 12, 2011 6:32 pm
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Location: Indianapolis
Stand near one making that thrust, holy crap ! on a serious note, riding in a 777 empty from Indy to Mem will have you laughing all the way.


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PostPosted: Fri Mar 08, 2013 8:15 pm 
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Joined: Wed Jun 22, 2011 8:07 pm
Posts: 1759
Location: houston texas
[quote="argo1974"]In fact, that cylinder had back luck twice. Despite of the misalignment between exhaust port and flange being almost 5mm, the PO bored it to 60.55mm, causing a freshly rebuilt engine clattering on center cylinder.

Anybody seen this before?

i have heard of people boring out the center cylinder a couple of thousanths bigger, to prevent sezuire and thats what you have in the 0.05mm extra of that dimension.
mark

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PostPosted: Fri Mar 08, 2013 8:24 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
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Location: North Central NC
Scully wrote:
Stand near one making that thrust, holy crap ! on a serious note, riding in a 777 empty from Indy to Mem will have you laughing all the way.

Why, did the pilot start doing aerobatics?

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If it surges, that's normal, upshift.


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PostPosted: Fri Mar 08, 2013 10:50 pm 
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Location: Rio Rancho, New Mexico
Fun starts at 2:52, with "baby" 747 turbines......

http://www.youtube.com/watch?v=ZJ9uWsvR1l0

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........


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PostPosted: Sat Mar 09, 2013 12:02 am 
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Location: Heber Springs, Arkansas
Don't know, why?

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