Today's Message Index:
----------------------
1. 01:50 AM - Re: Which Rivnuts Should I Use? (Edward Kramer)
2. 04:06 AM - Re: 701 cowl question (JNBOLDING1)
3. 06:48 AM - 701 wing tank wiring (LARRY BOHANNON)
4. 07:37 AM - Re: 701 cowl question (mike sinclair)
5. 10:50 AM - Re: 701 wing tank wiring (Ed Kramer)
6. 02:37 PM - EGT and CHT Range (STEFREE@aol.com)
7. 07:47 PM - EA-81 engine available (Scott Harding)
Message 1
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| Subject: | Re: Which Rivnuts Should I Use? |
--> Zenith-List message posted by: "Edward Kramer" <edair701@adelphia.net>
Phil,
My choice of rivnuts would be 8-32. Reason being 6-32's are not
considered structural, and if the hole becomes elongated you can always go
to 10-32. I like to start out as small as possible so you always have the
option to go larger if necessary. I think keyless are more common.
Ed Kramer
West Seneca, NY
CH 701
edair701@adelphia.net
_____
> --> Zenith-List message posted by: "Phil Maxson" <pmaxpmax@hotmail.com>
>
>
> I am preparing to follow the advice of several listers and install the
skin
> over the instruments with Rivnuts, the question is: which ones? I know I
> have the option for 6-32, 8-32, and 10-32, also keyed or keyless.
>
> Which size are people using?
>
> Is a key really necessary?
>
> Thanks,
> Phil Maxson
> 601XL, N601MX
>
>
Message 2
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| Subject: | Re: 701 cowl question |
--> Zenith-List message posted by: "JNBOLDING1" <JNBOLDING1@mail.ev1.net>
---------- Original Message ----------------------------------
From: Benford2@aol.com
>> Does anyone happen to know off-hand what type of glass and how may plies
>> are typical for a layup on a 701 cowl? I measured a stock Zenith cowl
>> and got a thickness of around .075 including fibreglass and gelcoat. It
>> looks to me like it may be the cheaper E glass. I am thinking about
>> using a 5 ply lay-up of the stronger S glass. Currently building a plug
>> around the engine (sealed in plastic and duct tape & mounted on the
>> firewall) so that I can pull a mold. Already looking like it should be a
>> lot cleaner than the boxy factory produced cowl (& the workmanship will
>> most definitely be better). I did check with SkyShop and their new cowl
>> design will not be out until around Sept.. Any thoughts?
Mike The Coot Amphibian of many yrs ago had 5 layers of 181 for the HULL so 5
for a cowling is surly overkill 3 will do nicely where there is some shape (curve)
and you can add some strips of 1/4 or 3/8 foam where things are flat for
stiffeners .LOW&SLOW John Bolding
Message 3
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| Subject: | 701 wing tank wiring |
--> Zenith-List message posted by: "LARRY BOHANNON" <lbohannon1@msn.com>
I'm installing my wing tank on a 701 and I'm not real sure about wiring and grounding
and ohms, etc. I tested the ohms on the sender and it was 13.9 on empty
and 180.1 on full. Suppose to be 10 empty and 180 full. Is this close enough?
If not, how would I correct it?
Also I'm not sure about the proper wiring.Would this be correct? A postive wire
from center post on sender back to fuel gauge and a negative wire from side post
on sender back to fuel gauge.Then just a ground wire from tab welded on side
of tank to airframe ground. Is this correct? I wrote ZAC and got an answer
back but it wasn't very clear and he also wrote incorrectly that the ohms should
be 10 for full and 180 for empty so that wasn't much help.
Larry Bohannon
701
Winder, Georgia
tail finished,working on right wing
Message 4
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| Subject: | Re: 701 cowl question |
--> Zenith-List message posted by: mike sinclair <mike.sinclair@att.net>
> Thanks for the quick input guys. Should have thought about the foam stiffeners
> as I used a similar technique building ultralight fairings about 20 years ago.
> Looks like I do need to dig in the piles of magazines for reference though.
> Just hate to take a break from actual building when the weather is so nice.
> Thanks again and I'm back to work on the cowling plug.
Mike Sinclair
Do Not Archive
> ----- Original Message -----
> From: "mike sinclair" <mike.sinclair@att.net>
> To: <Zenith-List@matronics.com>
> Sent: Saturday, April 26, 2003 7:41 AM
> Subject: Zenith-List: 701 cowl question
>
> > --> Zenith-List message posted by: mike sinclair <mike.sinclair@att.net>
> >
> > Does anyone happen to know off-hand what type of glass and how may plies
> > are typical for a layup on a 701 cowl? I measured a stock Zenith cowl
> > and got a thickness of around .075 including fibreglass and gelcoat. It
> > looks to me like it may be the cheaper E glass. I am thinking about
> > using a 5 ply lay-up of the stronger S glass. Currently building a plug
> > around the engine (sealed in plastic and duct tape & mounted on the
> > firewall) so that I can pull a mold. Already looking like it should be a
> > lot cleaner than the boxy factory produced cowl (& the workmanship will
> > most definitely be better). I did check with SkyShop and their new cowl
> > design will not be out until around Sept.. Any thoughts?
> >
> >
> >
> >
> >
> >
> >
Message 5
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| Subject: | Re: 701 wing tank wiring |
--> Zenith-List message posted by: "Ed Kramer" <edair701@adelphia.net>
> --> Zenith-List message posted by: "LARRY BOHANNON" <lbohannon1@msn.com>
>
> I'm installing my wing tank on a 701 and I'm not real sure about wiring
and grounding and ohms, etc. I tested the ohms on the sender and it was 13.9
on empty and 180.1 on full. Suppose to be 10 empty and 180 full. Is this
close enough? If not, how would I correct it?
> Also I'm not sure about the proper wiring.Would this be correct? A
positive
wire from center post on sender back to fuel gauge and a negative wire from
side post on sender back to fuel gauge.Then just a ground wire from tab
welded on side of tank to airframe ground. Is this correct? I wrote ZAC and
got an answer back but it wasn't very clear and he also wrote incorrectly
that the ohms should be 10 for full and 180 for empty so that wasn't much
help.
>
> Larry Bohannon
> 701
> Winder, Georgia
> tail finished,working on right wing
Larry,
I don't think that little bit of difference from 10 to 13.9 ohms will
make a difference, fuel gauges are only so accurate. What I've found when
testing the ohms for full & empty is the top of the tank oil cans and can
change the reading drastically. The top skin on my tank can easily be pushed
downward & upward about an inch changing the ohm readings.
The center post wire on the sender connects to the "S" on the fuel
gauge, from the ground post on the sender to the airframe, then ground the
gauge to the airframe. The plus side of the gauge connects to a power
source.
Ed Kramer
West Seneca, NY
CH 701: Completed rudder, left wing, working on right wing.
edair701@adelphia.net
Message 6
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| Subject: | EGT and CHT Range |
--> Zenith-List message posted by: STEFREE@aol.com
Hi list,
I am looking to set up the warning parameters on my engine instrument monitor
and it requests settings for max temp on EGT and CHT. My engine manufacturer
(stratus) does not list these numbers in my manual. Nac any provide temps
for what I should set my EIS to for the warning module?
Thanks in advance for your help.
Steve Freeman
Message 7
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| Subject: | EA-81 engine available |
--> Zenith-List message posted by: Scott Harding <sharding@wt.net>
I have a Subaru EA-81 engine that I pulled from a junkyard and was going to
do a conversion on it. Now my plans have changed and I will no longer need
the EA-81. If any one in the Houston area is interested, contact me off
the list. Anyone got the Air-Soob site address so I can post this message
there?
Thanks,
Scott Harding
sharding@wt.net
701 Plans and Rudder
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