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e : europa-list-digest@matronics.com 13 November 2004 • 3:56PM -0500

Europa-List Digest: 6 Msgs - 11/12/04
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                           Europa-List Digest Archive
                                      ---
                     Total Messages Posted Fri 11/12/04: 6
           ----------------------------------------------------------


Today's Message Index:
----------------------

     1. 02:39 AM - Re: Europa provided adjustable NACA cabin vents  (Stephan Cassel)
     2. 01:11 PM - Tailplane TP12 Drive Plates Becoming Loose  (Tony Renshaw)
     3. 01:49 PM - Re: Tailplane TP12 Drive Plates Becoming Loose  (Ronald J. Parigoris)
     4. 03:32 PM - Re: Tailplane TP12 Drive Plates Becoming Loose  (Fred R. Klein)
     5. 05:13 PM - TP12 Drive Plates Becoming Loose  (Tony Renshaw)
     6. 07:14 PM - Re: TP12 Drive Plates Becoming Loose  (Fred R. Klein)



________________________________  Message 1  _____________________________________


Time: 02:39:44 AM PST US
From: "Stephan Cassel" <cassel@sens...>
Subject: RE: Europa-List: Europa provided adjustable NACA cabin vents

--> Europa-List message posted by: "Stephan Cassel" <cassel@sens...>

Hi

Another vent-solution is:

http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1100255193-60-78&b
rowse=heatvent&product=ventilation-components

The can be bought at Spruce but slightly more expensive.

I have seen the installation on a RV4 and look very good. OK not as low
drag as the NACA so you have to accept 0.01 knots penalty.

Stephan
#556 - Norway


-----Original Message-----
From: owner-europa-list-server@matr...
[mailto:owner-europa-list-server@matr...] On Behalf Of
EuropaXSA276@aol....
Subject: Re: Europa-List: Europa provided adjustable NACA cabin vents

--> Europa-List message posted by: EuropaXSA276@aol....

Hi Steve:

The NACA vent supplied by Europe have been discontinued. These were one
of a
handful of parts the were backorder on my original shipment.

I can tell you the consensus is the they are pretty much garbage.  In
fact
many builders have offered to send me their vents gratis!  Usually a
very bad
sign...

My understanding is that Spruce has these vents if you are dead set at
repair
and not replacement.  Best to buy a few. They break often.

Tailwinds

Brian S
A276 Tri Gear. Texas
See my build photos at:
http://forum.okhuijsen.org/BrianS






________________________________  Message 2  _____________________________________


Time: 01:11:00 PM PST US
From: Tony Renshaw <tonyrenshaw@optu...>
Subject: Europa-List: Tailplane TP12 Drive Plates Becoming Loose

--> Europa-List message posted by: Tony Renshaw <tonyrenshaw@optu...>

Gidday,
I am wondering if anyone who has done the mod to increase the size of the
pins that hold on the tailplane drive pin plates, called TP12, have had any
problems with the new 3/8" pins and looseness??

Reg
Tony Renshaw
Sydney Australia

Classic 236  B.B. Taildragger
Currently working on  Rudder Pedals,
In  but tight so more work to go on them.
Tail, Wings, Ailerons, Flaps Complete and Connected
Lower Fuse in Jig,
Tail Torque Tube installed with temporary timber dowels.
Mass Balance assembly installed and deflections sorted
Roof Panel between doors completed.
Photos at:
http://forum.okhuijsen.org/TonyR
Intended Engine: 912S CS prop (model undecided)
Instrumentation: Garmin 296 Colour GPS beneath an electronic Artificial
Horizon, one that I can trust for short periods IMC, to get out of a sticky
situation






________________________________  Message 3  _____________________________________


Time: 01:49:20 PM PST US
From: "Ronald J. Parigoris" <rparigor@suff...>
Subject: Re: Europa-List: Tailplane TP12 Drive Plates Becoming Loose

--> Europa-List message posted by: "Ronald J. Parigoris" <rparigor@suff...>

Hello Tony

My kit A-265 came with 3/8 pins. Very poor fit, pins fell through the trilobal
holes.Factory sent me 10MM special pins and a 10MM Reamer. The fit is still too
loose after i reamed holes, but bearly within tolerance. Too loose for me on a
new build, you know things will loosen up. The reamer cut a bit oversized, and
the pins were not exact the same.

I broke down and purchased a reamers next size up from 10MM from mcmaster carr,
and some precision go/no go gauges (~2$ ea.). I will ream the hole on my
Bridgeport, then measure exact size. then i purchased some free machining
stainless from them and will make some new pins with a .00075" interference fit.
I will lap to exact size. What I am also going to do is take a popsicle stick
with some sandpaper bonded onto it, and make a dog bone between contact areas and
also lead in so the hole does not get hurt as much without.

To me worth effort now that i can more easily get to stuff before top goes on,
compared to doing later.

Probably will do the deed within the next month or 2.

If you reamed holes with the 3/8 reamer, if they seem pretty round, you could
probably force the next size and maybe 2 go/no go through it (increment it .001)
could not do that.

Good Luck
Ron Parigoris






________________________________  Message 4  _____________________________________


Time: 03:32:16 PM PST US
Subject: Re: Europa-List: Tailplane TP12 Drive Plates Becoming Loose
From: "Fred R. Klein" <fklein@orca...>

--> Europa-List message posted by: "Fred R. Klein" <fklein@orca...>

Ron,

You sound like you must have been a machinist in a past life...or are now
quickly becoming one!

In my naivity, I'm sitting w/ a pair of the 3/8" pins thinking that I simply
would have to upsize the 1/4" holes w/ a simple drill and that would be
that.  

Anyone out there: How have you handled the TP12 mod?

Fred
A194






________________________________  Message 5  _____________________________________


Time: 05:13:31 PM PST US
From: Tony Renshaw <tonyrenshaw@optu...>
Subject: Europa-List: TP12 Drive Plates Becoming Loose

--> Europa-List message posted by: Tony Renshaw <tonyrenshaw@optu...>

Gidday Again,
If you have the luxury of being able to remove your torque tubes, do so and
"send them off to a machinist". The mere smallest amount of "out of round"
with the hole through the torque tube will create the dreaded movement,
exacerbated at the trailing edge of the tailplane. I don't want mine to
ever move, so I have had a machinist do the work, precisely. Its a hard job
even for him, to get everything all lined up and clamped. Don't do it
yourself. If you do I reckon sure as eggs you'll be buying a new torque
tube next. I am even thinking of Bob Harrisons clamps, just in case. Pity
they are so expensive.
Reg
Tony Renshaw
Sydney Australia

At 10:31 AM 11/13/2004, you wrote:
>--> Europa-List message posted by: "Fred R. Klein" <fklein@orca...>
>
>Ron,
>
>You sound like you must have been a machinist in a past life...or are now
>quickly becoming one!
>
>In my naivity, I'm sitting w/ a pair of the 3/8" pins thinking that I simply
>would have to upsize the 1/4" holes w/ a simple drill and that would be
>that.
>
>Anyone out there: How have you handled the TP12 mod?
>
>Fred
>A194
>
>






________________________________  Message 6  _____________________________________


Time: 07:14:14 PM PST US
Subject: Re: Europa-List: TP12 Drive Plates Becoming Loose
From: "Fred R. Klein" <fklein@orca...>

--> Europa-List message posted by: "Fred R. Klein" <fklein@orca...>

on 11/12/04 5:12 PM, Tony Renshaw at tonyrenshaw@optu... wrote:

> --> Europa-List message posted by: Tony Renshaw <tonyrenshaw@optu...>
>
> Gidday Again,
> If you have the luxury of being able to remove your torque tubes, do so and
> "send them off to a machinist". The mere smallest amount of "out of round"
> with the hole through the torque tube will create the dreaded movement,
> exacerbated at the trailing edge of the tailplane.

Thanks much for the head's up Tony,

Indeed I have such a luxury...but would not have thought to do so without
your response.

Fred
A194












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