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Search: Posts Made By: NickLappos
Showing results 1 to 11 of 11
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Forum: Rotorheads
22nd Nov 2006, 18:23
Replies: 1,304
Views: 596,334
Posted By NickLappos

Bad governor, or fuel control. Torque variations...

Bad governor, or fuel control. Torque variations without tail wiggles and without Nr variations are just bubbly oil inside torque meter. This is a real engine issue, could be air in fuel (pressure...
Forum: Rotorheads
23rd Oct 2005, 21:38
Replies: 1,304
Views: 596,334
Posted By NickLappos

The gage actually reads resistance thru the...

The gage actually reads resistance thru the thermocouple sensor in the engine, and can often fail by going to ground some other way, leading to sky high readings.

You are right not to panic, but...
Forum: Rotorheads
10th Sep 2005, 14:11
Replies: 1,304
Views: 596,334
Posted By NickLappos

As a rough rule of thumb, the power loss below...

As a rough rule of thumb, the power loss below spec can still allow "airworthiness" if the cause is known (ie, a dirty engine or one with a worn compressor and not one with internal cracks) and if...
Forum: Rotorheads
16th Jul 2005, 21:23
Replies: 1,304
Views: 596,334
Posted By NickLappos

over 95% of all LTE mishaps involve bell 206's...

over 95% of all LTE mishaps involve bell 206's because the tail rotor is much more marginal on a 206 than most helicopters.

The term LTE is a misnomer, as I have posted an pprune many times. Most...
Forum: Rotorheads
14th Jul 2005, 05:56
Replies: 1,304
Views: 596,334
Posted By NickLappos

pprunefan#1, It is clear from your...

pprunefan#1,

It is clear from your adrenalin-fueled rants that whatever crawled up your butt remains there. I do think most readers will get more out of this with less storm, and more discourse.
...
Forum: Rotorheads
9th Jul 2005, 01:35
Replies: 1,304
Views: 596,334
Posted By NickLappos

good idea, Max, and less expensive! Not likely,...

good idea, Max, and less expensive! Not likely, if the gauge has behaved right otherwise, but still a good idea to check.

Bad clutch rollers can sometimes be flet and heard when the shaft is...
Forum: Rotorheads
8th Jul 2005, 16:23
Replies: 1,304
Views: 596,334
Posted By NickLappos

Wow, do we need a course correction or what? ...

Wow, do we need a course correction or what?
How many things did pprfan#1 just screw up? Let me see:

1) When the throttle on an Allison/RR is rolled to idle, the governor is put to bed, out of...
Forum: Rotorheads
8th Jul 2005, 10:57
Replies: 1,304
Views: 596,334
Posted By NickLappos

The condition isn't normal, I think. The clutch...

The condition isn't normal, I think. The clutch is the first suspect. How does it behave manually when things aren't running? Any noises or funny business?
Sounds like it is partially hanging up,...
Forum: Rotorheads
18th Dec 2004, 18:33
Replies: 1,304
Views: 596,334
Posted By NickLappos

gizmocat, There is a basic misunderstanding...

gizmocat,

There is a basic misunderstanding in your question that should be discussed, and that is the idea that a published limit is associated with a failure. In other words, "If I overtorque by...
Forum: Rotorheads
12th Jun 2003, 10:29
Replies: 1,304
Views: 596,334
Posted By NickLappos

sprocket, If the leak gets into the...

sprocket,

If the leak gets into the combustion section, it will burn, and when it does, it replaces fuel. This is a classic engine runaway scenario. Another way to make your engine go this way is...
Forum: Rotorheads
9th Jun 2003, 09:33
Replies: 1,304
Views: 596,334
Posted By NickLappos

The internal oil seal failure is actually a very...

The internal oil seal failure is actually a very very bad thing to happen, even if the oil never leaves the engine. Here's why:

The oil enters the airpath and gets misted into the fuel/air...
Showing results 1 to 11 of 11


 
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