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  #11  
Old 10-01-2018, 11:17 AM
jabarr jabarr is offline
 
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Location: Fayetteville, Georgia
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I took my commercial check ride in a Colemill 310. If done as rocketman describes, it is a very dangerous maneuver if an engine fails as the extreme pitch angle and slow speed would certainly lead to very bad results. We went to the examiner and explained the problem and he had no issue with doing exactly as rocketbob explains.
Just ask the DPE what is acceptable—
As the first sentence in Doug’s quoted description states, it is now a planning, orientation, coordination, and timing exercise.

Last edited by jabarr : 10-01-2018 at 11:24 AM.
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  #12  
Old 10-01-2018, 11:22 AM
rocketman1988 rocketman1988 is offline
 
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Default and...

...and that would be the exception to the rule. Most people don't do their commercial ride in a Colemill 310. Great airplane though!

...and asking the DPE what he/she considers acceptable is never a bad thing.
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Last edited by rocketman1988 : 10-01-2018 at 11:24 AM. Reason: add
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  #13  
Old 10-01-2018, 01:00 PM
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rocketbob rocketbob is offline
 
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The commercial ACS spells out the rules and parameters, very specifically, for the checkride maneuvers. Nowhere does it state chandelles are started at Va.
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  #14  
Old 10-01-2018, 01:51 PM
rocketman1988 rocketman1988 is offline
 
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Default The ACS says...

The ACS says appropriate, yes...however...

Referencing the appropriate additional FAA resources, as ALL good instructors should:

From the official FAA "Airplane Flying Handbook", Chapter 9:

Where it specifically states entry at Va, maneuvering speed...yes, you will target the "manufacturers recommended speed"...however...Va is selected for a good reason. That is another discussion.

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Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
Doors - Done
On Gear
290 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...

Dues Paid 2018,...Thanks DR+

Last edited by rocketman1988 : 10-01-2018 at 01:53 PM. Reason: add
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  #15  
Old 10-04-2018, 08:36 AM
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Plumbmaster Plumbmaster is offline
 
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Default My Two Cents Worth

Well yes, if dong it for a commercial check ride, of course it should be practiced, explained and performed by the book. If using the maneuver to get out of a box canyon, depending on the winds, less speed will provide more room and a shorter turning radius to get out of the canyon. It makes sense to apply full power and significant up elevator AFTER one gets the nose turned away from the initial direction of flight.

Flying from my computer in Hong Kong after being censored in the PRC...
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  #16  
Old 10-04-2018, 09:49 AM
eaglen92ce eaglen92ce is offline
 
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I suspect that the ACS saying "appropriate" speed means that the entry speed chosen is part of what the examiner is evaluating. The DPE is expecting Va entry, if the applicant started from Vx or dove to achieve Vne prior to starting the maneuver, then the applicant did not chose the appropriate speed. Best to ask the DPE before the flight if you have a plan to use a different speed.
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