Today's Message Index:
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1. 07:11 AM - Re: Cabin fuel lines (Mark Hubelbank)
2. 07:29 AM - Re: Cabin fuel lines (Mark Hubelbank)
3. 08:11 AM - Re: Cabin fuel lines (Bill Naumuk)
4. 05:55 PM - throttle set-up (Terry Turnquist)
5. 07:39 PM - Re: throttle set-up (Bryan Martin)
6. 08:32 PM - Re: throttle set-up (LarryMcFarland)
7. 09:05 PM - Re: throttle set-up (Geoff Eather)
Message 1
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| Subject: | Re: Cabin fuel lines |
I am a firm believer in using only the same grade of parts for fuel
lines as a normal "certified/production" aircraft would use. I have used
all metal tubing and factory made flexible hose with AN fittings for the
fuel lines. The pictures are posted on:
http://groups.yahoo.com/group/jabiruengines/photos/album/0/list
non members may have to create a sign in listing to view them.
There are also some pictures on photo.hubbles.com
On 9/18/2009 10:36 PM, chuck960 wrote:
>
> I'm wondering what might be the best way to run fuel lines through the cabin.
The plans don't specify material but Zenith supplies rubber hose with the kit.
Would a solid material be better? Rubber should be ok as long as it is changed
for new every so often. Aluminum or steel can crack from vibration. Rubber
cad dry-rot and is easily cut.
> I want an easy way to disconnect the fuel line at the side skin in order to remove
the wing. What about fittings? there are many types to choose from. How
do I get through the firewall? Does anyone know where I can get a good explanation
of all this?
> Chuck Dean
> Ch650 in progress.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=263769#263769
>
>
>
--
Mark Hubelbank
NorthEast Monitoring
2 Clock Tower Place
Suite 555
Maynard, MA, 01754 - USA
mhubel@nemon.com
978-443-3955
Message 2
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| Subject: | Re: Cabin fuel lines |
I am a firm believer in using only the same grade of parts for fuel
lines as a normal "certified/production" aircraft would use. I have used
all metal tubing and factory made flexible hose with AN fittings for the
fuel lines. The pictures are posted on:
http://groups.yahoo.com/group/jabiruengines/photos/album/0/list
The album is "N708HU"
non members may have to create a sign in listing to view them.
There are also some pictures on photo.hubbles.com
--
Mark Hubelbank
NorthEast Monitoring
2 Clock Tower Place
Suite 555
Maynard, MA, 01754 - USA
mhubel@nemon.com
978-443-3955
Message 3
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| Subject: | Re: Cabin fuel lines |
Chuck-
I used 3003 in the cockpit through my C-section, flexible from the
header to the firewall-through, and flexible to my carb. The odd fittings
you need to go from the C-section to the wings aren't available from ACS or
Wicks, the place I found them was Murdoch Industrial. I realize there are
differences between the 650 and the HDS, but my main point is, the odd
fittings you'll need are available from Murdoch.
Bill
----- Original Message -----
From: "Bryan Martin" <bryanmmartin@comcast.net>
Sent: Friday, September 18, 2009 11:38 PM
Subject: Re: Zenith601-List: Cabin fuel lines
> <bryanmmartin@comcast.net>
>
> I used 3/8" OD 3003 aluminum tubing from the tanks to the fuel valves.
> It's easy to remove the wings by just unscrewing the flare fittings and
> sliding the tubing out through the grommets. There's no significant
> vibration in this area, so it should last a long time. I used the
> supplied rubber lines for the rest of the system because it is relatively
> easy to access for replacement. At some point, I may replace much of this
> with aluminum tubing also. The only place where vibration is a concern is
> between the firewall and the engine. Flexible hose is required here.
>
> On Sep 18, 2009, at 10:36 PM, chuck960 wrote:
>
>> >
>>
>> I'm wondering what might be the best way to run fuel lines through the
>> cabin. The plans don't specify material but Zenith supplies rubber hose
>> with the kit. Would a solid material be better? Rubber should be ok as
>> long as it is changed for new every so often. Aluminum or steel can
>> crack from vibration. Rubber cad dry-rot and is easily cut.
>> I want an easy way to disconnect the fuel line at the side skin in order
>> to remove the wing. What about fittings? there are many types to choose
>> from. How do I get through the firewall? Does anyone know where I can
>> get a good explanation of all this?
>> Chuck Dean
>> Ch650 in progress.
>>
>
>
> --
> Bryan Martin
> N61BM, CH 601 XL,
> RAM Subaru, Stratus redrive.
> do not archive.
>
>
>
Message 4
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It looks like the dual throttle set up shown on 6-E-5 is a "pull " system. Does
anyone have such a set up and has it caused any problems as opposed to the standard
push throttle? I realize a person can get used to anything, but this seems
counter intuitive. Yes, No?
Terry Turnquist
601XL
Message 5
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| Subject: | Re: throttle set-up |
The throttles should be push to open. The Bing carbs are spring loaded
to open throttle and you have to pull against the springs to close the
throttles. You should try to keep all the major systems as standard as
practical. There's no good reason not to set the throttles up for push
to open.
On Sep 19, 2009, at 8:54 PM, Terry Turnquist wrote:
> It looks like the dual throttle set up shown on 6-E-5 is a "pull "
> system. Does anyone have such a set up and has it caused any
> problems as opposed to the standard push throttle? I realize a
> person can get used to anything, but this seems counter intuitive.
> Yes, No?
>
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
Message 6
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| Subject: | Re: throttle set-up |
Terry,
The pull type system is absurd and one should do all things practical
that sets the throttle to push to open. I would also eliminate the
spring action that
provides no safety or intuitive motion or resolution if one spring
breaks. It's not as hard to do a type certified example if you really
set your mind to
it. When ever would you allow someone to fly your aircraft if it were
different from the expected thing. That becomes a safety issue, big time.
Yes, counter intuitive is incorrect!
Best regards,
Larry McFarland 601HDS at www.macsmachine.com
Terry Turnquist wrote:
> It looks like the dual throttle set up shown on 6-E-5 is a "pull "
> system. Does anyone have such a set up and has it caused any problems
> as opposed to the standard push throttle? I realize a person can get
> used to anything, but this seems counter intuitive. Yes, No?
>
> Terry Turnquist
> 601XL
>
>
Message 7
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All
Whilst on the duel throttle system - does anyone have any ideas on how to
overcome the friction in the standard kit supplied by Jabiru USA. The
thickness of the inner throttle cable and the arc through which it is
required to operate make opening (and closing) the throttle difficult.
Geoff 601 XL (Nearly finished)
-----Original Message-----
From: owner-zenith601-list-server@matronics.com
[mailto:owner-zenith601-list-server@matronics.com] On Behalf Of
LarryMcFarland
Sent: 20 September, 2009 1:31 PM
Subject: Re: Zenith601-List: throttle set-up
Terry,
The pull type system is absurd and one should do all things practical
that sets the throttle to push to open. I would also eliminate the
spring action that
provides no safety or intuitive motion or resolution if one spring
breaks. It's not as hard to do a type certified example if you really
set your mind to
it. When ever would you allow someone to fly your aircraft if it were
different from the expected thing. That becomes a safety issue, big time.
Yes, counter intuitive is incorrect!
Best regards,
Larry McFarland 601HDS at www.macsmachine.com
Terry Turnquist wrote:
> It looks like the dual throttle set up shown on 6-E-5 is a "pull "
> system. Does anyone have such a set up and has it caused any problems
> as opposed to the standard push throttle? I realize a person can get
> used to anything, but this seems counter intuitive. Yes, No?
>
> Terry Turnquist
> 601XL
>
>
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