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Operating at maximum weight

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rickofudall

Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA

Posted: Thu Feb 10, 2011 11:54 am Post subject: Operating at maximum weight

You guys remember that part of your operating instructions that says you'll test the aircraft at max gross weight while in phase 1 testing? You know, buy four bags of sand or cement and put them in the passenger seat and test in all configurations and put this statement in the aircraft's log book, “I certify that the prescribed flight test hours have been completed and the aircraft is controllable throughout its normal range of speeds and throughout all maneuvers to be executed, has no hazardous operating characteristics or design features, and is safe for operation.  The flight test was completed under the following conditions:  maximum operating weight, style/set of wing or sail, maximum demonstrated airspeed, and minimum demonstrated stall speed.”? You all did that, right? By this discussion, I'd say not. 



Rick Girard

-- 

Zulu Delta

Mk IIIC

Thanks, Homer GBYM

It isn't necessary to have relatives in Kansas City in order to be unhappy.

   - Groucho Marx



 

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slyck(at)frontiernet.net
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Posted: Thu Feb 10, 2011 12:05 pm Post subject: Operating at maximum weight

Rick, I didn't enter the specific exercise in my log book but I did strap several 80 lb salt bags in the passenger seat fora free excursion before I took a passenger.  I didn't want to hurt the salt bags.

BB



On 10, Feb 2011, at 2:29 PM, Richard Girard wrote:

[quote]You guys remember that part of your operating instructions that says you'll test the aircraft at max gross weight while in phase 1 testing? You know, buy four bags of sand or cement and put them in the passenger seat and test in all configurations and put this statement in the aircraft's log book, “I certify that the prescribed flight test hours have been completed and the aircraft is controllable throughout its normal range of speeds and throughout all maneuvers to be executed, has no hazardous operating characteristics or design features, and is safe for operation.  The flight test was completed under the following conditions:  maximum operating weight, style/set of wing or sail, maximum demonstrated airspeed, and minimum demonstrated stall speed.”? You all did that, right? By this discussion, I'd say not. 



Rick Girard

-- 

Zulu Delta

Mk IIIC

Thanks, Homer GBYM

It isn't necessary to have relatives in Kansas City in order to be unhappy.

   - Groucho Marx



 

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Thu Feb 10, 2011 12:36 pm Post subject: Operating at maximum weight

You guys remember that part of your operating instructions that says you'll

test the aircraft at max gross weight while in phase 1 testing?  Rick Girard



 Rick G/Kolbers:



Sorry about the previous.  I fired a blank.  ;-(



Was that 91.319?



I have trouble remembering 5 minutes ago, much less when I test flew my 

MKIII.  



john h

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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Thu Feb 10, 2011 12:36 pm Post subject: Operating at maximum weight

You guys remember that part of your operating instructions that says you'll

test the aircraft at max gross weight while in phase 1 testing? You know,

buy four bags of sand or cement and put them in the passenger seat and test

in all configurations and put this statement in the aircraft's log book, “I

certify that the prescribed flight test hours have been completed and the

aircraft is controllable throughout its normal range of speeds and

throughout all maneuvers to be executed, has no hazardous operating

characteristics or design features, and is safe for operation.  The

flight test was completed under the following conditions:  *maximum

operating weight*, style/set of wing or sail, maximum demonstrated airspeed,

and minimum demonstrated stall speed.”? You all did that, right? By this

discussion, I'd say not.



Rick Girard



-- 

Zulu Delta

Mk IIIC

Thanks, Homer GBYM



It isn't necessary to have relatives in Kansas City in order to be unhappy.

  - Groucho Marx



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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

neilsenrm(at)gmail.com
Guest

Posted: Thu Feb 10, 2011 12:39 pm Post subject: Operating at maximum weight

Rick

  

 Yes I did load my plane up with salt bags to gross weight and test flew it. The suprising thing was my lack of understanding how much further forward the CG was with a real person than I had figured with the salt bags. The other suprising think was how much worse it gets with a high thrust line and the extra thrust with the redrive. I did three different maximum weight flight tests with different engine configurations.

   

 Rick Neilsen

 Redrive VW Powered MKIIIC 

 On Thu, Feb 10, 2011 at 2:29 PM, Richard Girard <aslsa.rng(at)gmail.com (aslsa.rng(at)gmail.com)> wrote:

 [quote]You guys remember that part of your operating instructions that says you'll test the aircraft at max gross weight while in phase 1 testing? You know, buy four bags of sand or cement and put them in the passenger seat and test in all configurations and put this statement in the aircraft's log book, “I certify that the prescribed flight test hours have been completed and the aircraft is controllable throughout its normal range of speeds and throughout all maneuvers to be executed, has no hazardous operating characteristics or design features, and is safe for operation.  The flight test was completed under the following conditions:  maximum operating weight, style/set of wing or sail, maximum demonstrated airspeed, and minimum demonstrated stall speed.”? You all did that, right? By this discussion, I'd say not.  



 Rick Girard

-- 

 Zulu Delta

 Mk IIIC

 Thanks, Homer GBYM

 



 It isn't necessary to have relatives in Kansas City in order to be unhappy.

  - Groucho Marx

 



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elleryweld(at)aol.com
Guest

Posted: Thu Feb 10, 2011 12:41 pm Post subject: Operating at maximum weight

Rick 

I didn't build this particular airplane in fact I am the third owner of it ,it was not my job to do all this testing so I am using the numbers that have been scribed in stone in the paperwork that was included with it 



Ellery Batchelder Jr.



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