Today's Message Index:
----------------------
1. 04:08 AM - Huosai queries (Jay McIntyre)
2. 04:43 AM - Re: Huosai queries (Brian Lloyd)
3. 04:55 AM - Re: Huosai queries (Brian Lloyd)
4. 04:56 AM - Housai Radial vendors (David Stroud)
5. 01:39 PM - Re Housai queries (Jay McIntyre)
6. 02:30 PM - Re: Housai Radial vendors (ByronMFox@aol.com)
7. 05:10 PM - Re: Housai Radial vendors (Gus Fraser)
8. 05:34 PM - Re: Re Housai queries (ron wasson)
9. 06:34 PM - I be gone! (Doug)
10. 08:12 PM - Re: Re Housai queries (Walt Lannon)
Message 1
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--> Yak-List message posted by: "Jay McIntyre" <jayatnowra@hotmail.com>
Hi folks, just doing a 50 hr on our bird and I have the following queries... (Excuse
the assumptions, butwe all know what assumptions cause...)
1. Does anyone know what the small hole on top of the front case adjacent to the
#1 cylinder pushrod tube adapter plate is for? I assume it is some sort of vent?
If so, what does it mean if there is a fairly constant stream of oil being
emitted?
2. The 50 hr procedure in the manual talks about "cleaning the spherical joint
of the needle rocker arm of the carb" (article 142, pg 36). I assume that this
refers to the point at which the throttle linkage connects to the carb?
3.When we installed the current engine we begun an oil analysis program. Having
only put 55 hours on it so far we are of course unable to identify any trends
other than that it all looks OK. However the lead (Pb) contentis high and increasing
with the 3 samples we have so far taken. We think (hope) that this could
be due to the high Pb content in Avgas. It will be interesting to see what
happens to these levelson the next occasion having just changed the oil.
Does anyone out there have any history/ideas of their own that might help us out
on this one?
<EM>Regards, Jay
</EM>P.S. see you at Classic Fighters 2005!
<A href="http://www.classicfighters.co.nz">www.classicfighters.co.nz
P.P.S. good to see the politics on the list have died down - especially looking
in from "downunder!"
Gaming galore at <a href="http://g.msn.com/8HMLENNZ/2731">XtraMSN Gaming!
Message 2
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| Subject: | Re: Huosai queries |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Jay McIntyre wrote:
> --> Yak-List message posted by: "Jay McIntyre" <jayatnowra@hotmail.com>
>
>
> Hi folks, just doing a 50 hr on our bird and I have the following queries...
> (Excuse the assumptions, butwe all know what assumptions cause...)
>
> 1. Does anyone know what the small hole on top of the front case adjacent to
> the #1 cylinder pushrod tube adapter plate is for? I assume it is some sort
> of vent? If so, what does it mean if there is a fairly constant stream of oil
> being emitted?
There is a gearbox breather vent up there but there is usually a gooseneck and
a
filter of some sort on it if we are talking about the same thing. I have not
seen a stream of oil but a mist of oil does come out and keep the filter wet.
> 2. The 50 hr procedure in the manual talks about "cleaning the spherical
> joint of the needle rocker arm of the carb" (article 142, pg 36). I assume
> that this refers to the point at which the throttle linkage connects to the
> carb?
Well, I believe that the "needle rocker arm" is actually the mixture linkage
but, yes, clean and lube the throttle and mixture linkage arms.
> 3.When we installed the current engine we begun an oil analysis program.
> Having only put 55 hours on it so far we are of course unable to identify any
> trends other than that it all looks OK. However the lead (Pb) contentis high
> and increasing with the 3 samples we have so far taken. We think (hope) that
> this could be due to the high Pb content in Avgas. It will be interesting to
> see what happens to these levelson the next occasion having just changed the
> oil. Does anyone out there have any history/ideas of their own that might
> help us out on this one?
For oil analysis to work you need to sample at about the same number of hours
since an oil change since most products are cumulative. Also, you need to
sample repeatedly to develop a baseline for the numbers for your engine. Every
engine is a bit different and what you are looking for is a departure from the
normal values established over time.
Three samples in 50 hours seems a bit often. So you have changed the oil every
17 hours and sampled at the end of each oil change? That is fine if you plan to
change the oil every 17 hours from now on but most people change their oil on a
longer cycle.
So set your oil change interval and do the oil analysis always at that interval
and build up a baseline over several oil changes.
And, yes, you will get an increase in lead from fuel with time until the oil is
changed. If you sample on a consistent interval the level of lead in the oil
should remain pretty much constant. You need to establish a baseline for your
wear metals before you can make any decisions.
--
Brian Lloyd 6501 Red Hook Plaza, Suite 201
brian@lloyd.com St. Thomas, VI 00802
+1.340.998.9447 - voice +1.360.838.9669 - fax
Message 3
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| Subject: | Re: Huosai queries |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
> Jay McIntyre wrote:
>
>>--> Yak-List message posted by: "Jay McIntyre" <jayatnowra@hotmail.com>
>>
>>
>>2. The 50 hr procedure in the manual talks about "cleaning the spherical
>>joint of the needle rocker arm of the carb" (article 142, pg 36). I assume
>>that this refers to the point at which the throttle linkage connects to the
>>carb?
Actually, thinking about this some more, I think they are talking about the
secondary linkage that connects the thottle arm to the fuel metering needle arm
on the opposite side of the carb from the throttle and mixture arms.
--
Brian Lloyd 6501 Red Hook Plaza, Suite 201
brian@lloyd.com St. Thomas, VI 00802
+1.340.998.9447 - voice +1.360.838.9669 - fax
Message 4
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| Subject: | Housai Radial vendors |
--> Yak-List message posted by: "David Stroud" <davestroud@rogers.com>
Giday, Gents. I'm looking for a radial engine around the 275 to 300 h.p. mark for
a homebuilt
Fairchild FC2. Could any of you please advise if there is a source of supply of
the Housai
engines in North America? Actually any engine recommendation would be welcome.
I'm aware
of the Vendenyev engine sources, but they tend to be 220 hp, then 360 and up.Thanks.
Dave Stroud
L 16 B replica (Christavia)
C-FDWS Ottawa, Canada
Message 5
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| Subject: | Re Housai queries |
--> Yak-List message posted by: "Jay McIntyre" <jayatnowra@hotmail.com>
Brian, the hole that I was talking about is in fact a drilling of approx 0.040"
dia and located immediately adjacent to the push rod tube base close to the 12
O'clock position.
- With regards the throttle linkage - how and where does one get into lube it as
per the book?
- Re the oil sample - the first two samples were only taken to make sure that the
engine (of unknown quantity) was not making metal or doing anything silly.
Our plan from now was to take a sample every 25 hrs with an oil change every 50
hrs.
Thanks for your comments.
<EM>Regards, Jay</EM>
P.S. see you at Classic Fighters 2005!
<A href="http://www.classicfighters.co.nz/">www.classicfighters.co.nz
With <a href="http://g.msn.com/8HMIENNZ/2755??PS=">Xtra Jetstream - you don't need a seperate phone line for the internet!
Message 6
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| Subject: | Re: Housai Radial vendors |
--> Yak-List message posted by: ByronMFox@aol.com
Contact Doug Sapp, our CJ parts guy, at rvfltd@televar.com or by phone at
509-826-4610.
Byron M. Fox
80 Milland Drive
Mill Valley, CA 94941
Home 415-380-0907
Cell 415-307-2405
Fax 415-380-0917
Message 7
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| Subject: | Housai Radial vendors |
--> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
Also you may want to speak to someone about the derated M14 I am not sure of
the number but it is fitted to the Wilga
Gus
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of
ByronMFox@aol.com
Subject: Re: Yak-List: Housai Radial vendors
--> Yak-List message posted by: ByronMFox@aol.com
Contact Doug Sapp, our CJ parts guy, at rvfltd@televar.com or by phone at
509-826-4610.
Byron M. Fox
80 Milland Drive
Mill Valley, CA 94941
Home 415-380-0907
Cell 415-307-2405
Fax 415-380-0917
Message 8
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| Subject: | Re: Re Housai queries |
--> Yak-List message posted by: ron wasson <ronwasson@mindspring.com>
Jay
I looked and mine appears not to have it. Could it be a stop
drill hole for a crack.
Ron
Message 9
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--> Yak-List message posted by: "Doug" <rvfltd@televar.com>
Gone to Red Star, .............yes I still gibbin it and no the mini yak is (still)
not flying.
I will answer all emails when I return on the 11th.
Always Yakin,
Doug Sapp
Message 10
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| Subject: | Re: Re Housai queries |
tests=HTML_00_10,HTML_MESSAGE,ORIGINAL_MESSAGE,QUOTED_EMAIL_TEXT,
REFERENCES,USER_IN_WHITELIST
version=2.53
--> Yak-List message posted by: "Walt Lannon" <lannon@look.ca>
Jay;
I did a quick check on two Huosai engines today for the hole you mentioned
in the front case. I found no hole on either engine. From your last post the
location seems to be at the forward end of the main case where the cam ring
and push rods are located. I looked there as well but the light was poor and
I was pressed for time so will take a better look tomorrow but can't imagine
why there would be a hole there.
Walt
----- Original Message -----
From: "Jay McIntyre" <jayatnowra@hotmail.com>
Subject: Yak-List: Re Housai queries
> --> Yak-List message posted by: "Jay McIntyre" <jayatnowra@hotmail.com>
>
> Brian, the hole that I was talking about is in fact a drilling of approx
0.040" dia and located immediately adjacent to the push rod tube base close
to the 12 O'clock position.
> - With regards the throttle linkage - how and where does one get into lube
it as per the book?
> - Re the oil sample - the first two samples were only taken to make sure
that the engine (of unknown quantity) was not making metal or doing anything
silly. Our plan from now was to take a sample every 25 hrs with an oil
change every 50 hrs.
> Thanks for your comments.
>
>
> <EM>Regards, Jay</EM>
>
> P.S. see you at Classic Fighters 2005!
>
> <A href="http://www.classicfighters.co.nz/">www.classicfighters.co.nz
>
>
> With <a href="http://g.msn.com/8HMIENNZ/2755??PS=">Xtra Jetstream - you
don't need a seperate phone line for the internet!
>
>
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