Today's Message Index:
----------------------
1. 01:03 AM - Re: Re: Mandatory U.K. LAA permit directive. Shoot-Bolt stop (Brian Davies)
2. 07:46 AM - Re: Five-yearly fuel and oil hose replacements (Dave Disney)
3. 11:32 AM - Re: Mandatory U.K. LAA permit directive. Shoot-Bolt stop (Area-51)
4. 09:58 PM - Re: Securing the aircraft (fklein@orcasonline.com)
5. 11:33 PM - Re: Mandatory U.K. LAA permit directive. Shoot-Bolt stop (Fred Klein)
Message 1
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| Subject: | Re: Mandatory U.K. LAA permit directive. Shoot-Bolt stop |
Following feedback on the Standard Mod. An amended version has just been
published and can be found in the list of Europa Standard Mods on the LAA
website. For those owners who have fitted microswitches or other items
that make bolting of the stop problematic, this revision approves bonding
of the stop to the external surface rather than bolting through the skin.
I will not be responding to any comments on this so please direct any
questions to LAA Engineering .
Regards
Brian
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On Tue, Nov 9, 2021 at 7:53 PM italianjon <jon.catilli@gmail.com> wrote:
>
> Given the pressures in the background, it is very hard to imagine how the
> LAA could have acted differently. I'll go into more details in the
> Chariman's Corner of the next club magazine.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=504052#504052
>
>
Message 2
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| Subject: | Re: Five-yearly fuel and oil hose replacements |
Hi Jonathan,
I'm just replacing the fuel and oil lines on my aircraft. I ordered 3m of Parker
Push-Lok 836-8 from Listers (01215256485), cost was 100.61 incl VAT and del.
I had about 400mm left over.
I needed 8 metres of 8mm (5/16) tube and 5 metres of 6mm (1/4) tube. I used Gates Barricade tube for carburettors, it's good for 50psi and is a bit more flexible than the injection hose. I couldn't get mine from the same supplier so I got the 6mm from https://www.moss-europe.co.uk/fuel-hose-gates-barricade-ethanol-proof-1-4-id-per-metre-gfh1025x.html and 8mm from https://www.partsinmotion.co.uk/index.php?option=com_virtuemart&view=productdetails&virtuemart_category_id=313&virtuemart_product_id=155116&Itemid=139 the 8mm hose was 7.5 metres on a roll which was 'just' enough.
Your aircraft may require different amounts from mine as they have all been built
differently. 30min with a tape measure with the top cowl off and a bit of crawling
around underneath should give you an accurate enough figure to order both
sets of hoses. My aircraft is an XS mono with 912ULS.
Read this thread http://forums.matronics.com/viewtopic.php?t=16772840&highlight=fuel+lines
Hope this helps
Dave
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=504257#504257
Message 3
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| Subject: | Re: Mandatory U.K. LAA permit directive. Shoot-Bolt stop |
So it looks ugly and provides some additional drag and it prevents the hatch closing
and the chance of it departing in flight; great, we are all here... how
about an internal elbow at the rear bolt that prevents the hatch being locked
when misaligned, or lets go further, the elbow pulls the rear of the hatch into
alignment before the bolt extends; all aforementioned challenges mitigated;
Ugly Factor = 0... Personally part of my pre taxi and pre rollout checks is using
my elbow to try and push the rear corner of the door out; easier when two
up on this cross check (flight crew arm and crosscheck cabin doors)... from a
design perspective the current solution has not been well executed and is adhoc
at best; just opinion based on 40 years of design and repair of mechanical stuff.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=504259#504259
Message 4
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| Subject: | Re: Securing the aircraft |
> On Nov 28, 2018, at 3:38 PM, William Daniell
<wdaniell.longport@gmail.com> wrote:
>
> Has anyone got a clever solution for securing the aircraft doors - for
example in a strange airport overnight?
Will,
Under some guidance from a locksmith, I=99ve installed those
cylindrical key locks often seen on vending machines.
If you=99re interested, I=99ll pull the interior cover
plates and take some photos of the catch which prevents retraction of
the shoot bolt.
Fred
Message 5
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| Subject: | Re: Mandatory U.K. LAA permit directive. Shoot-Bolt stop |
In our discussion of ensuring that the rear shoot bolts are in their
proper location, I=99ve been struck by the comments about checking
by nudging with the pilot=99s left elbow to =9Cfeel=9D
whether or not the door can be pushed outward (or not). If that is the
common manner to assure oneself that he/she is safe to fly, I=99m
not surprised that some Europas have lost a door, nor am I surprised
that LAA has imposed a fix.
While I understand the term =9Cmandatory=9D as it applies to
aircraft registered in the UK, here is a solution which I used to
eliminate the risk of losing a door in flight which consists of 3
elements:
1. I fashioned a tab from a scrap of 1/8=9D foam, and glassed it
to the doors in alignment with the seat back/head rest,
2. I installed microswitches, located so as to contact the rear shoot
bolts when the door latching mechanism is closed,
3. And I installed 2 green LEDs on my panel.
I=99m indebted to Raimo Tolvio for the electrical components basic
design.
When closing the pilot=99s door, I reach with my right hand and
pull the tab inward, while my left hand shoves the latch handle forward.
If I have a passenger, before instructing him/her to shove their latch
forward, I reach with my right hand around the back of the passenger
=99s seat back/head rest and pull inward while the passenger shoves the
latch forward.
I think of this featherweight little tab as the most important
component. The ability to pull the door inward eliminates racking of the
door, prevents the shoot bolt from marring the exterior finish, and
ensures that the door is properly closed.
The microswitches and the 2 green LEDs on the panel were selected and
wired in the simplest fashion in order to eliminate false positives
2 green lights confirm that the door is properly closed...if I don=99
t have 2 green lights, it=99s a no-go.
And of course I use a checklist...
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