Today's Message Index:
----------------------
1. 05:54 AM - Sub to Lycoming change (Dave New)
2. 08:30 AM - Jabiru Engine Seminar (Pete Krotje)
3. 09:56 AM - Re: Sub to Lycoming change (FLYaDIVE)
4. 12:55 PM - Chat Tonight (George Race)
5. 08:03 PM - Re: Lycoming install (Steve Freeman)
Message 1
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| Subject: | Sub to Lycoming change |
The Subie has never let me down but has been a very high maintance
engine. Have had to replace the rings twice due to loosing compression.
I beleive the compression is caused by the Sub running hot. 220-230 F,
If outside air temp was above 80 I could not fly without temp getting up
yo 249F. . I have spent 7 years trying to get the Sub to run cool,
I have installed a bigger radiator and two oil coolers and several
changes to the cowl it finally is running at 180-190 but is again down
on compression. I think it is at the point the cylinders need bored.
Ram ingeering can do this but it is not cheap.With the cooling problem
have fought coolant leaks, leaks were cured by rebuilding expansion and
swill taks from heaver material. Also have had issues with bearings in
the redrive thrust washer wearing with bearing end play continually
needing adjusted. With carb on top the engine it requires fuel pumps, I
use the facwet pumps recommend but have had problems with then vapor
locking.There have been many many other small problems associated with
the conversion. After thinking long and hard I deceided to just save my
money and purchace a Lycoming instead of dumping more money into the
Sub. All the fiddleing with all the small issues prevents you from
flying. From all the stuff i have added to get the Sub to run cool it
has gained concerable weight. I think I can get the Lyc installed at the
same or less weight. With an avation collage in the area I will sign up
for an evening class to go thru the Lyc, also with a Lyc installed i
would be able to go to almost any FBO to get help with any issues. The
Sub issues I was entirely on my own working out the problems.
Anybody inrested in buying the Subaru complete firewall forward.
Reguards
Dave New
dnew@mcschaff.com
Time: 08:41:57 PM PST US
From: "Steve Freeman" <steve.freeman@syntaxds.com>
Subject: RE: Zenith-List: Lycoming install
Just out of curiosity.why are you making this change?
Thank you,
Steve Freeman
Message 2
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| Subject: | Jabiru Engine Seminar |
Hi All,
Just a reminder to everyone that the November Engine seminar at Jabiru USA
has only two spots left. The seminar is scheduled for November 19-21 and
includes instruction on maintenance, installation and operation as well as
taking the class engine through a "Top Overhaul" demonstration. Class
starts with lunch (provided by Jabiru) on Friday November 19 and runs
through noon Sunday Nov 21.
Call Dana at 931-680-2800 for reservations or email dana@usjabiru.com .
Visit www.usjabiru.com for class info and syllabus.
Pete Krotje
Jabiru USA Sport Aircraft, LLC
931-680-2800
www.usjabiru.com
Message 3
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| Subject: | Re: Sub to Lycoming change |
Dave:
If you do go with the Lycoming O235 check into POWER upgrades. There were a
few STC done to increase the compression which increases the HP. The
compression is increased by just changing the pistons.
NOW! Being EXPERIMENTAL you do NOT have to purchase the STC, only the
pistons.
If you want more info let me know.
Barry
On Mon, Oct 25, 2010 at 8:51 AM, Dave New <DNew@mcschaff.com> wrote:
>
> The Subie has never let me down but has been a very high maintance engine.
> Have had to replace the rings twice due to loosing compression. I beleive
> the compression is caused by the Sub running hot. 220-230 F, If outside air
> temp was above 80 I could not fly without temp getting up yo 249F. . I have
> spent 7 years trying to get the Sub to run cool,
> I have installed a bigger radiator and two oil coolers and several changes
> to the cowl it finally is running at 180-190 but is again down on
> compression. I think it is at the point the cylinders need bored. Ram
> ingeering can do this but it is not cheap.With the cooling problem have
> fought coolant leaks, leaks were cured by rebuilding expansion and swill
> taks from heaver material. Also have had issues with bearings in the redrive
> thrust washer wearing with bearing end play continually needing adjusted.
> With carb on top the engine it requires fuel pumps, I use the facwet pumps
> recommend but have had problems with then vapor locking.There have been many
> many other small problems associated with the conversion. After thinking
> long and hard I deceided to just save my money and purchace a Lycoming
> instead of dumping more money into the Sub. All the fiddleing with all the
> small issues prevents you from flying. From all the stuff i have added to
> get the Sub to run cool it has gained concerable weight. I think I can get
> the Lyc installed at the same or less weight. With an avation collage in the
> area I will sign up for an evening class to go thru the Lyc, also with a Lyc
> installed i would be able to go to almost any FBO to get help with any
> issues. The Sub issues I was entirely on my own working out the problems.
> Anybody inrested in buying the Subaru complete firewall forward.
> Reguards
> Dave New
> dnew@mcschaff.com
>
>
> Time: 08:41:57 PM PST US
> From: "Steve Freeman" <steve.freeman@syntaxds.com>
> Subject: RE: Zenith-List: Lycoming install
>
> Just out of curiosity.why are you making this change?
>
>
> Thank you,
>
>
> Steve Freeman
>
>
--
Barry
"Chop'd Liver"
Message 4
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Live Chat Room every Monday evening around 8:00 EDT
http://www.mykitairplane.com <blocked::http://www.mykitairplane.com/>
Click on the Chat Room link at the top of the page.
George
Message 5
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| Subject: | Lycoming install |
Hey Dave,
Where did you find your 0235? Did you buy or rebuilt?
Thank you,
Steve Freeman
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Dave New
Sent: Sunday, October 24, 2010 7:02 PM
Subject: Zenith-List: Lycoming install
List
Does anybody know of any body putting a Lycoming 0235 in a 601HDS (not a XL)
if so I would be interested in hearing from. I have just obtained an 0235 to
replace the EA81 SUB in my plane. I think I can get the Lyc installed at the
same weight or liter, just wondering if anybody else has done this.
Thanks
Dave New
601 HDS taildragger
N148DN
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