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Weight and balance
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europa10(at)bellsouth.net
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PostPosted: Mon Mar 25, 2019 2:41 pm    Post subject: Weight and balance Reply with quote
Eric,
The 801 included 40 extra pounds I was planning to add to get the CG within
range. 683 + 78.5 + 40 = Approximately 801.

Checking the scales is definitely next on the agenda. If things don't fall
into place I've got someone else I can get to weigh it.

Bill
N51EU



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MJKTuck(at)cs.com
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PostPosted: Mon Mar 25, 2019 4:10 pm    Post subject: Weight and balance Reply with quote
You can probably confirm the tail wheel weight with bathroom scales. Sounds a little heavy to me if it really is 78 lb.

For reference, mine was 68 lb. Main was 744 lb. for a CG at 59.67 in.

Best,
Martin Tuck

Sent from my iPhone

Quote:
On Mar 25, 2019, at 5:15 PM, Erich Trombley <erichdtrombley(at)juno.com> wrote:



Hi Bill,

Something is definitely wonky. I would start by checking your scales. You noted in the original email a total weight of 801 lbs. However, in a subsequent post you break out the weight for the main wheel at 683 lbs and 78.5 lbs at the tail wheel. This only sums to 761.5. Where did the other 40 lbs go?

Regards,
Erich
N28ET
Classic Mono 914
____________________________________________________________
Our Hearts Go Out To Denzel Washington
go.dedicatedoffers.com
http://thirdpartyoffers.juno.com/TGL3131/5c995314d2ad253141ad7st04vuc






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freddythek10(at)gmail.com
Guest
PostPosted: Mon Mar 25, 2019 7:56 pm    Post subject: Weight and balance Reply with quote
Bill…I presume you’re fully aware of this, but I was astonished to see how the weight on the tailwheel varied when the airframe was out of level (fore and aft)…I’m sure you’ll find the gremlin soon…F.

Quote:
On Mar 25, 2019, at 5:05 PM, Martin Tuck <MJKTuck(at)cs.com> wrote:



You can probably confirm the tail wheel weight with bathroom scales. Sounds a little heavy to me if it really is 78 lb.

For reference, mine was 68 lb. Main was 744 lb. for a CG at 59.67 in.

Best,
Martin Tuck

Sent from my iPhone

> On Mar 25, 2019, at 5:15 PM, Erich Trombley <erichdtrombley(at)juno.com> wrote:
>
>
>
> Hi Bill,
>
> Something is definitely wonky. I would start by checking your scales. You noted in the original email a total weight of 801 lbs. However, in a subsequent post you break out the weight for the main wheel at 683 lbs and 78.5 lbs at the tail wheel. This only sums to 761.5. Where did the other 40 lbs go?
>
> Regards,
> Erich
> N28ET
> Classic Mono 914
> ____________________________________________________________
> Our Hearts Go Out To Denzel Washington
> go.dedicatedoffers.com
> http://thirdpartyoffers.juno.com/TGL3131/5c995314d2ad253141ad7st04vuc
>
>
>
>








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Hitchflight



Joined: 22 Feb 2018
Posts: 94
Location: Derbyshire, England
PostPosted: Tue Mar 26, 2019 12:19 am    Post subject: Re: Weight and balance Reply with quote
Just to echo the comments of David and Freddy .

By coincidence I had my Europa Mono professionally reweighed a few days ago by Neil France using his linked digital specialist scales. I did this due to the LAA recommended / required default action so to do every 10 years.

The aircraft needs to be in level flight alignment when weighing. At the point of releasing the wings it looks quite alarming, but is safe and precise.

Professional weighing. Not expensive and supremely accurate. Your life may depend on the result.

Regards

Bob

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freddythek10(at)gmail.com
Guest
PostPosted: Tue Mar 26, 2019 8:21 am    Post subject: Weight and balance Reply with quote
Bob…I’m curious as to whether or not the professional weighing gave a result at variance to your *non-professional” efforts.

Quote:
On Mar 26, 2019, at 1:19 AM, Hitchflight <bobhitchcock(at)icloud.com> wrote:



Just to echo the comments of David and Freddy .

By coincidence I had my Europa Mono professionally reweighed a few days ago by Neil France using his linked digital specialist scales. I did this due to the LAA recommended / required default action so to do every 10 years.

The aircraft needs to be in level flight alignment when weighing. At the point of releasing the wings it looks quite alarming, but is safe and precise.

Professional weighing. Not expensive and supremely accurate. Your life may depend on the result.

Regards

Bob




Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=488265#488265












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Hitchflight



Joined: 22 Feb 2018
Posts: 94
Location: Derbyshire, England
PostPosted: Tue Mar 26, 2019 8:56 am    Post subject: Re: Weight and balance Reply with quote
Yes she had put on weight. Most I could explain. In the intervening years a variable pitch prop had superseded the original warp drive propeller. A fire extinguisher is now acknowledged as part of the permanent aircraft equipment.

A remaining three kilos gain in ten years could not be reconciled. Anecdotally many aircraft gain weight as they age. Consequently I’m happy with the result. My routine W/B calculations now reflect the corrected figure.
Regards

Bob


freddythek10(at)gmail.com wrote:
Bob…I’m curious as to whether or not the professional weighing gave a result at variance to your *non-professional” efforts.

Quote:
On Mar 26, 2019, at 1:19 AM, Hitchflight <bobhitchcock> wrote:



Just to echo the comments of David and Freddy .

By coincidence I had my Europa Mono professionally reweighed a few days ago by Neil France using his linked digital specialist scales. I did this due to the LAA recommended / required default action so to do every 10 years.

The aircraft needs to be in level flight alignment when weighing. At the point of releasing the wings it looks quite alarming, but is safe and precise.

Professional weighing. Not expensive and supremely accurate. Your life may depend on the result.

Regards

Bob




Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=488265#488265













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europa10(at)bellsouth.net
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PostPosted: Tue Mar 26, 2019 10:24 am    Post subject: Weight and balance Reply with quote
Everyone,

I just redid the weight and balance and found out my issue was PILOT ERROR...........

Guess the main wheel was resting against my ramp to the scales when I weighed it before.

Now getting 771 lbs on the main and 73.65 lbs on the tail wheel for a total of 844.65 lbs empty.

Weighed multiple times with the same results so I'm confident now of the numbers.

All calculations fall nicely within the CG now.

A few more minor adjustments and I'm ready to call my FAA inspector.
Thanks everyone for your help and suggestions.

Bill
N41EU

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