Today's Message Index:
----------------------
1. 07:25 AM - CH801 Seats/ Rudder Pedals (n85ae)
2. 10:45 AM - Re: Shoulder Harness attachment (cal.riggs)
3. 12:16 PM - Chat Room Reminder (George Race)
4. 12:23 PM - Re: Shoulder Harness attachment (n85ae)
5. 12:28 PM - Re: Shoulder Harness attachment (n85ae)
6. 11:11 PM - Re: Re: Re - Question about fuel flow from only one tank? (Gary Gower)
Message 1
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| Subject: | CH801 Seats/ Rudder Pedals |
I was building my front seats over the weekend, and looking at the vague
Zenith documentation, feeling the usual frustration. I put the seats in the
plane where Zenith indicates (I did NOT rivet the rails on yet), I thought
"hmm, this looks odd" it appears that the seat centerline's are such that
the rudder pedals end up inboard of the seats. I can place the seats so
the alignment works out ok, but they get a bit closer together than I
would like. Seems to me that the rudders pedals should be over all
about 2 inches wider (pilots left pedal outside, to co-pilots right pedal
outside). Does anybody else notice this? Or do you just put the seat
where Zenith indicates and then sit all the way over in the side of your
seat?
Jeff
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 4368#204368
Message 2
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| Subject: | Re: Shoulder Harness attachment |
Slamming the engineering is rather arrogant unless you are a structural engineer
and even then there are better ways to discuss the strength of a system. Since
CH has experience in structural engineering, I'd be more likely to ask the
question to him rather than making negative comments as to competency on the list.
I've attached a photo of the field tested seat belt attachment. The collision with
the terrain resulted in crumpled distortion of the fuselage NOT the bolt pulling
through the attachment. I'm more likely to assume that the structural engineer
has calculated considerations of the strength of the fuselage and its
characteristics under heavy loads. This crumpling seems to have some good features
in that the pilot receives less bodily damage due to an immovable seat belt
system.
Regards,
Cal
n85ae wrote:
> Something to think about, because Zenith sure did not do their engineering
> calculation with regard to the seatbelts.
>
> I calculated the stock 801 seat belt tabs at 200lb.s at 10G's in shear, if
> indeed the rivets don't pull out before that. So I replaced them with 4130
> steel the same thickness which I bolted with AN3's to the fueslage longerons.
I also added structure to the center console.
>
> Crash impacts can go up to 40/50G's and be survivable, so I'm not sure
> what they were thinking when the designed the stock ones. But they were
> not designed to handle more than the bare minimum.
>
> I suppose if I crash that hard I might not survive anyway, but I sure don't
> want to leave on account the seat belt tabs sheared.
>
> Jeff
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 4414#204414
Attachments:
http://forums.matronics.com//files/seat_belt_attach_186.jpg
http://forums.matronics.com//files/seat_belt_attach_110.jpg
Message 3
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| Subject: | Chat Room Reminder |
Please join us for our Monday evening chat room starting around 8:00 PM
Eastern Time.
<blocked::blocked::blocked::blocked::http://www.mykitairplane.com/chat/>
http://www.mykitairplane.com/chat/
George
CH-701 - N73EX - IT FLYS!
Do Not Archive
Message 4
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| Subject: | Re: Shoulder Harness attachment |
Cal -
Glad you qualified that with "unless you are", because I hate being called
arrogant.
Jeff
> Slamming the engineering is rather arrogant unless you are a structural engineer
and even then there are better ways to discuss the strength of a system. Since
CH has experience in structural engineering, I'd be more likely to ask the
question to him rather than making negative comments as to competency on the
list.
>
> I've attached a photo of the field tested seat belt attachment. The collision
with the terrain resulted in crumpled distortion of the fuselage NOT the bolt
pulling through the attachment. I'm more likely to assume that the structural
engineer has calculated considerations of the strength of the fuselage and its
characteristics under heavy loads. This crumpling seems to have some good features
in that the pilot receives less bodily damage due to an immovable seat
belt system.
>
> Regards,
> Cal
>
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 4435#204435
Message 5
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| Subject: | Re: Shoulder Harness attachment |
Meaning, yes I am an engineer.
Jeff
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 4437#204437
Message 6
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| Subject: | Re: Re - Question about fuel flow from only one |
tank?
Hello friends,
-
The Kitfox rear header tank- (about a galon capacity) is also a good idea
, is attached to the back side of the seats.- this tank conects both wing
tanks in one over the gascolator. comes with a float switch that will ligh
t a bulb in the instrument panel in case of the-fuel is low in this heade
r tank.- At least will give the pilot a few minutes to aproach-a landin
g place before the engine stops...--
-
Someone knows if Kitfox sells them, or where can be bought?- at least the
float switch,- I can make my own tank with alum or vinilester resin...
-
Saludos
Gary Gower.
--- On Sun, 9/14/08, carl <b.carl@sympatico.ca> wrote:
From: carl <b.carl@sympatico.ca>
Subject: Re: Zenith701801-List: Re: Re - Question about fuel flow from only
one tank?
<b.carl@sympatico.ca>
Rolland,
The biggest improvement I made to my 13 year old 701 fuel system was to add
an 8 liter collector tank.
Carl
----- Original Message -----
From: "Roland Smith" <docponds@sover.net>
Sent: Tuesday, September 09, 2008 11:32 AM
Subject: Zenith701801-List: Re: Re - Question about fuel flow from only one
tank?
> <docponds@sover.net>
>
> Plumbing in my 701 ( N701AA reserved) is for one tank at a time. Never
> both on. This has worked well in my old Taylorcraft BC12D, albeit, with
a
> header tank and also with my Cessna 140 that I fly to stay current while
> finishing the 701.
>
> This serves me best for fuel management. For example: Should my engine
> splutter when the fuel in my left tank runs dry I know there is fuel in
> the right tank. My preflight dipsticks are calibrated for each tank. I
> also marked the gages at one hour remaining.
>
> If anyone sees a problem with this setup for the 701, please comment.
=0A=0A=0A
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