Thursday, April 26, 2012

Re: Light-Sport Aircraft Yahoo group Re: I need help



That's correct.  I would like to see (but will never happen) the LSA criteria for gross weight be established on a standard G load, say 2 and 4 which would allow a 1320 gross.  If a manufactures aircraft has a G load capacity exceeding that then the gross weight could be higher until a force of 2 and 4 is reached.  Not sure what is going on out there right now with manufactures, but some aircraft have low G load ratings, could some of those still list a 1320 max weight just to fit in the field of all other light sport craft?   

 Ed 

 

 


-----Original Message-----
From: Helen Woods
Sent: Apr 26, 2012 7:28 AM
To: Sport_Aircraft@yahoogroups.com
Subject: Re: Light-Sport Aircraft Yahoo group Re: I need help

 

Gross weight is not based on the weight at which the plane "comes off the ground" but the weight at which pulling X number of G's will damage the airframe.  While I agree that many of the LSAs available today were designed for a higher gross weight, if you do not know what that weight is and overload your aircraft you risk structural damage to the airframe.

Helen

On 4/26/2012 10:22 AM, Lyle Cox wrote:

1024x768 Clean Clean false false false EN-US X-NONE X-NONE

I can tell you that an Evektor comes off the ground just fine and climbs out over 500 fpm on a Colorado high density altitude day of 7500 feet, at full gross.  I've done it many times.

From: Sport_Aircraft@yahoogroups.com [mailto:Sport_Aircraft@yahoogroups.com] On Behalf Of vardonx
Sent: Thursday, April 26, 2012 7:09 AM
To: Sport_Aircraft@yahoogroups.com
Subject: Light-Sport Aircraft Yahoo group Re: I need help

 

I never suggested exceeding limitations in my post ? The post I was responding to suggested that LSA's could not perform at the 1320 max weight limitation.

If you go by the POH for the J230 (which I have never flown), or the Remos GX (which I have), a max weight of 1320 is within limitations as long as it's loaded within the operating CG limitations as well.

I have personally flown the Remos @ 1250 lbs max and it doesn't have poor performance at all like the other poster suggested, and this is on a warm (80+) day. I disagree that adding another 70 lbs to load it to max (but still within POH specs) will take it from an 800 ft/sec climb to 0. This is why they publish A/C performance charts.

To suggest that *all* LSA's would barely climb at 1320 max is what I was refuting. That may be true for some models, but certainly not all models.

--- In Sport_Aircraft@yahoogroups.com, EDWARD BENSON <FastEddieB@...> wrote:
>
> "...but I know from talking first hand with a J230 pilot that it will indeed fly at that weight."
>
> I hear arguments like this all the time.
>
> Weight limitations are typically predicated on structural limitations, NOT performance limitations.
>
> Yes, many light sport planes will perform fine even when overloaded - right up until the wings deform or a strut fails due to overloading.
>
> At 1,321 lbs most LSA's will probably fly just fine. The key word is "probably", and the pilot of such a plane has placed him or herself in the position of test pilot, more than likely without test pilot pay.
>
> The Most Conservative Action is to always operate within an aircraft's limitations. Its also what professional pilots do.
>
>
> Fast Eddie
> Sky Arrow 600 E-LSA - N467SA
>



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