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Re: Europa-List: Re: Monowheel to trigear conversion - figures

Subject: Re: Europa-List: Re: Monowheel to trigear conversion - figures
From: Tim Ward <ward.t@xtra.co.nz>
Date: Thu, 23 May 2013 08:22:21

Hi Steve,
I got a letter from Andy at Europa years ago to state that in the USA the 
1450lbs
was except-able
How that figure was obtained I can not remember but it did not require a 
different
build. I will have to find the letter again which I will send to you. 
However when I presented it to New Zealand CAA they would only except the 
1370Ibs
the Europa company stipulates. 
However it is nice to know that there is a buffer regarding weight of 80Ibs.

I am sure the USA builders will know the answer? Andy does.

Cheers,

Tim

Tim Ward
12 Waiwetu Street
Fendalton,
Christchurch,  8052
New Zealand.

ward.t@xtra.co.nz

Ph 64 3 3515166
Mob 0210640221


On 23/05/2013, at 4:32 AM, "Steven Pitt" <steven.pitt2@ntlworld.com> wrote:

> 
> Dear All,
> May I come into this conversation at a late stage.
> When I became a member of the Europa Club Committee and subsequently Vice 
> Chairman
leading to Chairman, I tried to see if we could get an increase in the MAUW
upto 1450 lbs on the basis that there were Europas around the world already
flying at this figure.
> Despite sending out a plea to the Matronics site I did not receive the 
> requested
information to be able to put a case forward to the LAA for consideration.
> I appreciate that a change in the UK might be difficult as I understand that
the original 1370 lbs figure was extrapolated from the loading tests that were
originally done by the old Europa company and then taking into account the 
multiplication
factors used for 'plastic' aircraft etc. So to change the MAUW may
require further destructive testing for which the funds are probably not 
available.
> I repeat my request that any information on aircraft authorised throughout the
world at higher MAUW would be useful to start discussions with the LAA.
> My own trigear is 861 lbs empty and I wish I was 175lbs, so it is always a 
> case
of compromise when planning overseas trips.
> Any information passed to me will be used with discretion. Thanks in 
> anticipation.
> Steve Pitt
> Chairman, Europa Club
> G-SMDH trigear XS 912S with Airmaster
> 
> ----- Original Message ----- From: "jonathanmilbank" <jdmilbank@yahoo.co.uk>
> To: <europa-list@matronics.com>
> Sent: Wednesday, May 22, 2013 12:09 PM
> Subject: Europa-List: Re: Monowheel to trigear conversion - figures
> 
> 
>> 
>> We remain limited to 1370 lbs mauw in the UK and with the Airmaster AP332 
>> plus
the airframe strengthening mod, I find that my lowly 80 hp Rotax manages very
well. Should 1450 lbs ever get approved, then one of the conditions imposed
to use the extra 80 lbs would almost certainly be to instal a 100 hp engine.
>> 
>> Having said all this, it still intrigues me that in the UK there are Europas
weighing in empty at well over 900 lbs. For discussion's sake I'll take 920 lbs
as an example. That leaves 450 lbs to play with. After near-filling the tank
with 100 lbs of fuel, it is easy to see that only 350 lbs remain to accommodate
two 175 lb occupants. Hmmm !
>> 
>> I've made an agreement with my group members that we leave the tank with 50
litres (80 lbs) for the next man, who can fill it further if he's not going to
be flying heavy. 50 litres gives 2 hours of very safe flying with about 45 to
60 minutes reserve.
>> 
>> This plan should work well for us with 861 lbs empty weight, but in the 
>> example
of a 920 lb airframe also limited to 50 litres, there would only be 370 lbs
remaining. Sorry to bore you with my simple arithmetic, but more than 4 decades
of earning my living as a pilot have shaped my thinking into non-adventurous
mode, as far as aircraft loading is concerned.
>> 
>> 
>> 
>> 
>> Read this topic online here:
>> 
>> http://forums.matronics.com/viewtopic.php?p=401106#401106
> 
> 
> 
> 
> 



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