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Europa Club Mod Process

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pmorgans

Joined: 02 May 2014
Posts: 11
Location: West Wales

Posted: Mon Jun 16, 2014 2:40 am Post subject: Europa Club Mod Process

I would like to 'modify' Mod33 ( water drains ) on my XS to obtain shorter and lower level drain paths; I'd also like fit a gascolator on the feed pipe to the mechanical pump. I've tried using the  Europa Club Mod Form but can't seem to get it to work. Should I go direct to the LAA?



I don't want to re-invent the wheel so might even post my thoughts on the Forum for comment.[/i][/b]

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brian.davies(at)clara.co.
Guest

Posted: Mon Jun 16, 2014 4:02 am Post subject: Europa Club Mod Process

If you are "modifying" Mod 33, it is new mod and will need to be cleared by

LAA Engineering.  If you  can find someone who has already made the changes

you are thinking of that will help a great deal in speeding up mod approval

so it would be worth sharing your ideas on the forum.



Regards



Brian



--

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pmorgans

Joined: 02 May 2014
Posts: 11
Location: West Wales

Posted: Mon Jun 16, 2014 4:26 pm Post subject: Re: Fuel Drains Mod

My XS is a Trike with the drains religiously installed as per Mod 33; utilising 2200mm of 8mm dia. tube from each outlet (large radius loops to prevent kinks without using fittings). The drains are positioned to the rear behind the wing root and protude from the skin; totally exposed, just waiting to be damaged. Level measurements of the drain tubes in the static position gives a max. tube C/L at 160mm above the tank oulet tube C/L. Altogether an unsatisfactory setup. 

         From each tank oulet the drain tubes pass under/through both port and stbd. seat voids before looping back through the tunnel to the rear. On port and stbd. drains respectively are connected the sight gauge and fuel return.



         My mod. would be to intercept the existing drain tube through the cockpit floor and form the drain beneath each seat by cutting a 30mm hole through the external skin (away from the cockpit module bonded areas); and bonding a GRP top-hat section above the hole. The top-hat section would contain the CAV drain mounted on a bonded-in tee piece. This would give a drain length of about 300mm and a max. tube C/L level of 20mm above tank drain outlet. The sight gauge and fuel return would be connected to the vacant tee connection port and stbd. respectively.



        I've seen photographs of CAV drains connected directly to the tank drain outlets - but don't recall if these were UK models. 

   



       I've attached a draft sketch section of proposal.

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Fuel Drain Draft.pdf

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Draft Longitudinal Section Port Cockpit

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Fuel Drain Draft.pdf

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