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Old 30th October 2010 | 22:05
  #41 (permalink)  
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Veteran: Canadian Forces
 
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From: Canada
2high

I am curious about the preflight item in the cockpit section of the checklist you referenced.

Fuel guages -------- off

Why ?

I also note the mixture control is not tested on the runup. I always lean with carb heat on at runup RPM. You should see a rise as the overrich mixture caused by the carb heat is leaned back to best power and then a drop as the mixture goes too lean when you continue to slowly pull the mixture knob out. A very usefull check that the carb is working correctly
Big Pistons Forever is offline  
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Old 31st October 2010 | 01:43
  #42 (permalink)  
 
Joined: Dec 2005
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From: Here and there. Here at the moment but soon I'll be there.
I also note the mixture control is not tested on the runup. I always lean with carb heat on at runup RPM. You should see a rise as the overrich mixture caused by the carb heat is leaned back to best power and then a drop as the mixture goes too lean when you continue to slowly pull the mixture knob out. A very usefull check that the carb is working correctly
Seems strange to me, I always set the best power mixture before I do my power checks, at higher altitudes you have to lean before you start taxying otherwise your engine may cut. Checklist actions may need to bend depending on what environment you are flying in, especially relating to the setting of the mixture, just following checklists parrot fashion is not a very good thing to do.
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Old 31st October 2010 | 08:51
  #43 (permalink)  
 
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From: Middle England
BPF - Oops, got to be careful not to mislead you. I used that checklist as a basis for style not content. It's the format I use. The content on mine is pure Cessna POH for my aircraft normal and emergency procedures with some additions for the toys I have on board.

1. I didn't understand the gauges item either. My list has a dip check in the walkaround and a check of what the EDM700 thinks is in the tank.

2. Carb heat - I also check carb heat on runup. Essential I agree.

3. Don't disagree with Skyhawk on the parrot checklisting concerns either. One should never the disengage the brain!
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