Today's Message Index:
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1. 03:14 AM - Re: Fitting new tail plane torque tube (flyingphil2)
2. 12:17 PM - Re: Sight Gauge problem (GBWFH2010)
3. 01:04 PM - Re: Sight Gauge problem (JonSmith)
4. 01:22 PM - Re: Re: Sight Gauge problem (Fred Klein)
5. 01:51 PM - Re: Fitting new tail plane torque tube (alan_hunter1664)
6. 02:20 PM - NG Tailplanes & Anti-Servo Trim Tabs (alan_hunter1664)
Message 1
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| Subject: | Re: Fitting new tail plane torque tube |
Hi Alan,
Are you saying that the Issue 1 part is correct and the up-issued version is now
wrong?
I've no idea what version I have - do you dimensions of the two versions?
Regards,
Phil
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http://forums.matronics.com/viewtopic.php?p=441161#441161
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| Subject: | Re: Sight Gauge problem |
Fred,
The sight gauge feed is from the PORT tank.
My use of the word bulkhead was completely wrong, the vertical section sight gauge
tubing is attached to the passenger seat back adjacent to the tunnel. Sorry
for the confusion.
Gordon
--------
Gordon Grant
G-BWFH
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| Subject: | Re: Sight Gauge problem |
Hi Gordon, there is a bit more about the sight gauge in the build manual chapter
17 (Bonding Cockpit Module Into Fuselage).
On page 17-3 part way down is a paragraph titled 'Fuel Sight Gauge' and this states
that the restrictor IS required in the sight gauge pipeline. Just to act
as a damper I should imagine.
My own sight gauge has always worked pretty well. Mine is set up exactly as per
the manual, even with the routing up the front and behind the instrument panel
- as long as one understands the readings relevant to the aircraft attitude
its ok. The only difference to standard is that I have plumbed the sight gauge
and fuel tank vents into the top of the filler cobra (XS style filler tube)
and then vented the cobra to the standard s/steel tube on the top of the fuselage.
Sorry to ask but if you are suddenly getting these strange readings after working
on it are you COMPLETELY sure you haven't made an error with the hose connections?
There's quite a lot of pipes in a small space and several of them look
rather similar!
Also, on your port tank outlet does it have two separate outlets coming out of
it, one dedicated for the feed to the engine and the other dedicated to the sight
gauge (combined with the drain if fitted)? The early version had just one
outlet to feed to the engine with the sight gauge Tee'd off and apparently with
the engine running that DID give weird readings set up like that, hence they
split the outlet into two separate outlets. (The starboard side tank outlet
should also have two ports, one for the reserve engine feed and the other for
the return line).
Another thought, could it be you have a low point in the sight gauge line somewhere
which has got a slug of fuel trapped in it preventing pressure equalisation
to the vent thus duff readings? Blowing down the sight gauge vent might clear
this? Also is the vent to the outside correctly orientated and not subject
to some strange pressure influence that would mess up the reading?
Just random thoughts, all the best, Jon
--------
G-TERN
Classic Mono
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| Subject: | Re: Sight Gauge problem |
Gordonthanks for the clarificationIm wondering, where does your sight gauge T into
the fuel tank vent line?and have you assured yourself that there are no fuel
pockets in possible low points as the sight gauge line snakes towards the fuel
filler which may block the line? From your routing description, Id look for
kinks in or collapsing of your sight gauge line as it (presumably) angles from
the vertical across the flat area of the CM, and into and out of the PAX headrest.
As I recall, a constrictor in the sight gauge line is required.
Hope this helps,
Fred
> On Apr 23, 2015, at 12:16 PM, GBWFH2010 <gaxuk2001@gmail.com> wrote:
>
>
> Fred,
>
> The sight gauge feed is from the PORT tank.
>
> My use of the word bulkhead was completely wrong, the vertical section sight
gauge tubing is attached to the passenger seat back adjacent to the tunnel. Sorry
for the confusion.
>
> Gordon
>
> --------
> Gordon Grant
>
> G-BWFH
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=441183#441183
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Re: Fitting new tail plane torque tube |
Hi Phil,
Yes I have the issue 2 TP38s and I need the issue 1 and there is one other builder
that has contacted me who has the same problem.
The following information was provided by Europa.
Issue 2 TP38s are 1.625" long
Issue 1 TP38s are 2.25" long.
Best regards
Alan
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http://forums.matronics.com/viewtopic.php?p=441187#441187
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| Subject: | NG Tailplanes & Anti-Servo Trim Tabs |
I seem to be stumbling from one problem to another at the minute. Maybe it's me
inexperience!
Whilst waiting for an answer on my Tailplane Torque tube issue I though I would
complete the quick build Tailplanes. This is achieved by bonding the bottom skin
and the tip using araldite 420. This was completed with only minor problems
along the way. However, fitting the Anti-servo trim tabs is another matter.
I've not approached Europa with this yet as I wanted to see if anyone else had
overcome the problem. The anti-servo tab now comes pre-built but this is not
reflected in the manual. The issue is that if I align the trailing edge of the
trim tab with that of the tailplane there is insufficient trailing edge at the
root to attach the trim tab to and there would be restricted movement of the
trim tab. there are 'trim lines' on the tailplane training edge and trim tab
upper leading edge however trimming them to these lines would make the anti-servo
tab extend proud of the tailplane trailing edge, is this normal? I've attached
some photos which I hope highlight the issue. Any ideas?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=441191#441191
Attachments:
http://forums.matronics.com//files/img_0429_113.jpg
http://forums.matronics.com//files/img_0426_649.jpg
http://forums.matronics.com//files/img_0425_407.jpg
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