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C3 Ops Limits

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Old Feb 25, 2007 | 02:36 PM
  #1  
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Default C3 Ops Limits

so i am currently working on becoming a pilot and there are various numbers you have to know about the gauges to see if the engine is working properly. what i am wondering is if any of you could give the same sort of info for a c3 engine. i've got a 78 L48, but really any general numbers would probably be helpful. some of the numbers that might be relavent would be...

max continuous starter operation
max cumulative starter op before letting cool
max rpm before oil pressure or engine temp registers
voltmeter reading before startup
voltmeter reading after startup
normal oil pressure operating range
engine temp normal operating range
engine idle rpm

and really anything else you can think of would be great or if you think any of these arent important to be checking then let me know, thanks in advance
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Old Feb 25, 2007 | 02:42 PM
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Originally Posted by xcstanley
so i am currently working on becoming a pilot and there are various numbers you have to know about the gauges to see if the engine is working properly. what i am wondering is if any of you could give the same sort of info for a c3 engine. i've got a 78 L48, but really any general numbers would probably be helpful. some of the numbers that might be relavent would be...

max continuous starter operation
max cumulative starter op before letting cool
max rpm before oil pressure or engine temp registers
voltmeter reading before startup
voltmeter reading after startup
normal oil pressure operating range
engine temp normal operating range
engine idle rpm

and really anything else you can think of would be great or if you think any of these arent important to be checking then let me know, thanks in advance

max continuous starter operation - Till the battery dies.
max cumulative starter op before letting cool - Good question.
max rpm before oil pressure or engine temp registers - ??? / Ignition controlled.
voltmeter reading before startup - 12.5V depending on battery condition.
voltmeter reading after startup - 14+ depending on alternator condition.
normal oil pressure operating range - 25-80 Low/High
engine temp normal operating range - 180-220
engine idle rpm - 500-1000 Low/High
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Old Feb 25, 2007 | 03:26 PM
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Originally Posted by Durango_boy
max continuous starter operation - Till the battery dies.
so it doesnt do any harm to anything to just keep crankin until it turns over or runs out of juice?
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Old Feb 25, 2007 | 03:29 PM
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Originally Posted by xcstanley
so it doesnt do any harm to anything to just keep crankin until it turns over or runs out of juice?

Not any more than standard wear. The starter motors have a shelf life. They can cold crank a motor so many times before the motor wears out. This varies greatly and there is no set measurement for something like that. In the case of starter operation...you're using hours of life from the starter but that won't expire within the time it takes to start an engine or runt he battery dead trying.
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Old Feb 25, 2007 | 03:47 PM
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Originally Posted by xcstanley
...there are various numbers you have to know about the gauges to see if the engine is working properly...

If I was to ever fly with you, I would prefer you say something like: There are various operating limitations you have to know and observe to ensure the engine is performing within serviceable limts.
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Old Feb 25, 2007 | 04:04 PM
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Originally Posted by Durango_boy
Not any more than standard wear. The starter motors have a shelf life. They can cold crank a motor so many times before the motor wears out. This varies greatly and there is no set measurement for something like that. In the case of starter operation...you're using hours of life from the starter but that won't expire within the time it takes to start an engine or runt he battery dead trying.
Beer has a shelf life.

Starters have a service expectancy.
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Old Feb 25, 2007 | 04:06 PM
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Originally Posted by Big2Bird
Starters have a service expectancy.

I do like those words better...good job.
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Old Feb 25, 2007 | 04:22 PM
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Or they could be just "lifed"
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