Today's Message Index:
----------------------
1. 01:13 AM - Round or Square tips on warp drive blades? (Richard Iddon)
2. 04:40 PM - Re: Copper Washers (Horizonspace@aol.com)
3. 06:28 PM - Tinnerman Washers (MJKTuck@cs.com)
4. 06:38 PM - Re: Copper Washers (rlborger)
5. 06:41 PM - Re: Copper Washers (Ralph Hallett)
6. 08:43 PM - Re: Tinnerman Washers (Tom Friedland)
Message 1
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| Subject: | Round or Square tips on warp drive blades? |
I have an Airmaster with warp drive blades. I note that some people
have rounded off the corners on the tips of their warp drive blades. Is
this just for cosmetic / safety reasons or is there any increase in
performance by doing this?
Richard Iddon G-RIXS
--
04/10/2006
Message 2
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| Subject: | Re: Copper Washers |
In a message dated 10/1/2006 7:16:42 P.M. Central Daylight Time,
rlborger@mac.com writes:
Europaphiles:
Does anyone have a source for the copper washers for the banjo fittings on
the fuel pressure regulator?
I hope to replace the hose barb banjos on my fuel pressure regulator with
AN-4 sized banjos that I have acquired from a local auto racing supply house.
They could supply the fittings but no copper washers.
Anyone care to comment on the plan?
Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
Bob,
We evaluated using AN banjos and here are our findings:
The Rotax banjo fittings are for use with M10x1x19 banjo bolts per Rotax
parts manual. You can buy the 10mm banjos with AN-4 flared attachments from
Summit Racing under the Aeroquip or Earl brand. The washers are 10mm "crush
washers". You can get them from Lockwood or you can get aluminum ones from
Summit. After all the research, we decided against this mod for the following
reason. The AN-4 ID is 4.35mm while the OEM banjo ID is 5.85mm. The mod would
reduce the ID by over 25%. The effects to the overall performance is
unknown but we do not want to find out the hard way. Perhaps you can ask Lockwood
when you attend the maintenance course and report back.
Tam
Message 3
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| Subject: | Tinnerman Washers |
Hi Folks,
I'm in need of some of those nice Tinnerman washers Europa provided with my
kit.
These were shiny (I assume stainless steel), chrome-like in appearance with
very thin edges - almost sharp.
The ones I got from Aircraft Spruce were stainless steel but kind of dull
gray steel in appearance with thick edges, maybe 10-20 thou.
I use them for my cowl retention and noticed one missing (must have forgotten
to tighten it).
Does anyone recommend a source?
Regards,
Martin Tuck
Europa N152MT
Wichita, Kansas
Message 4
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| Subject: | Re: Copper Washers |
Tam:
You commented:
We evaluated using AN banjos and here are our findings:
The Rotax banjo fittings are for use with M10x1x19 banjo bolts per
Rotax
parts manual. You can buy the 10mm banjos with AN-4 flared
attachments from
Summit Racing under the Aeroquip or Earl brand. The washers are
10mm "crush
washers". You can get them from Lockwood or you can get aluminum
ones from
Summit. After all the research, we decided against this mod for the
following
reason. The AN-4 ID is 4.35mm while the OEM banjo ID is 5.85mm.
The mod
would
reduce the ID by over 25%. The effects to the overall performance is
unknown but we do not want to find out the hard way. Perhaps you
can ask
Lockwood when you attend the maintenance course and report back.
I was going to make exactly that measurement tomorrow when I get back
to the Europa.
That seems significant. As I said, I wasn't going to replace the
fittings until after my Rotax 9xx class in December and I had an OK
from Lockwood in any case. I will report back after I have spoken
with the Lockwood folks.
I still need to get up to meet you folks one of these weekends.
Thanks for the comments and information,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
(85%) tail kit done, wings closed, cockpit module installed, pitch
system in, landing gear frame in, rudder system in, outrigger mod in,
Fuselage Top on, lift/drag/flap pins in, wing incidence set, tie bar
in, flap drive in, Mod 70 done. Baggage bay in. Flaps & Main Gear
complete. Working in - 24 Instrument Panel, 25 Electrical, 30 Fuel
System, 32 Tail, 34 Door Latches & 35 Doors, 37 Finishing. Airmaster
arrived 29 Sep 05. Seat arrived from Oregon Aero. E04 interior kit
has arrived. Preparing for ROTAX 914 installation.
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
Message 5
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| Subject: | Re: Copper Washers |
--> Europa-List message posted by: Ralph Hallett <n100rh@sbcglobal.net>
Tam,
Thanks for the info, I too have been looking at the AN fittings. I
really don't like hose for fuel.
Ralph
Horizonspace@aol.com wrote:
> In a message dated 10/1/2006 7:16:42 P.M. Central Daylight Time,
> rlborger@mac.com writes:
>
> Europaphiles:
>
> Does anyone have a source for the copper washers for the banjo
> fittings on the fuel pressure regulator?
>
> I hope to replace the hose barb banjos on my fuel pressure
> regulator with AN-4 sized banjos that I have acquired from a local
> auto racing supply house. They could supply the fittings but no
> copper washers.
>
> Anyone care to comment on the plan?
>
> Good building and great flying,
> Bob Borger
> Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
>
> Bob,
>
> We evaluated using AN banjos and here are our findings:
>
> The Rotax banjo fittings are for use with M10x1x19 banjo bolts per
> Rotax parts manual. You can buy the 10mm banjos with AN-4 flared
> attachments from Summit Racing under the Aeroquip or Earl brand. The
> washers are 10mm "crush washers". You can get them from Lockwood or
> you can get aluminum ones from Summit. After all the research, we
> decided against this mod for the following reason. The AN-4 ID is
> 4.35mm while the OEM banjo ID is 5.85mm. The mod would reduce the ID
> by over 25%. The effects to the overall performance is unknown but we
> do not want to find out the hard way. Perhaps you can ask Lockwood
> when you attend the maintenance course and report back.
>
> Tam
> *
>
>
> *
Message 6
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| Subject: | Re: Tinnerman Washers |
Hi Martin
Betcha you can get them at McMaster-Carr. Google it. They have most
everything.
Tom
On 10/6/06, MJKTuck@cs.com <MJKTuck@cs.com> wrote:
>
> Hi Folks,
>
> I'm in need of some of those nice Tinnerman washers Europa provided with
> my kit.
>
> These were shiny (I assume stainless steel), chrome-like in appearance
> with very thin edges - almost sharp.
>
> The ones I got from Aircraft Spruce were stainless steel but kind of dull
> gray steel in appearance with thick edges, maybe 10-20 thou.
>
> I use them for my cowl retention and noticed one missing (must have
> forgotten to tighten it).
>
> Does anyone recommend a source?
>
> Regards,
> Martin Tuck
> Europa N152MT
> Wichita, Kansas
>
> *
>
> *
>
>
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