Today's Message Index:
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1. 02:03 PM - Re: A lighter 701 (kmccune)
2. 03:08 PM - Re: A lighter 701 (rayj)
3. 06:32 PM - Re: A lighter 701 (Benjamin Q)
Message 1
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| Subject: | Re: A lighter 701 |
I had wondered about that. Not it it was required, but why you guys did it.
Kevin
do not archive
dougsnash wrote:
>
> The interior of all aluminum surfaces were primed. This is required in Canada.
>
> Doug MacDonald
> CH-701 Scratch builder
> NW Ontario, Canada
>
> --- On Wed, 9/15/10, Benjamin Q wrote:
>
>
> > From: Benjamin Q
> > Subject: Re: A lighter 701
> > To: zenith701801-list@matronics.com
> > Received: Wednesday, September 15, 2010, 8:09 PM
> > --> Zenith701801-List message
> > posted by: "Benjamin Q"
> >
> >
>
>
> > By the way, what kind of weights are you all seeing with
> > your individual setups? The website says 580 lbs, but
> > I assume that is with a 912S and minimal instruments.
> > I think I read somewhere that the paint alone can weight 30
> > lbs.
> >
> >
>
--------
Always do what you are afraid to do.
R.W. Emerson (1803-1882)
"Real freedom is the sustained act of being an individual." WW - 2009
"Life is a good deal...it's worth it"
Dorothy McCune
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=312794#312794
Message 2
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| Subject: | Re: A lighter 701 |
Benjamin,
I understand your desire to continue to experiment after the airplane
is complete. I think considering the options, even if you never
implement any of them, is a good way to fill extra time you may have and
to keep construction/creative juices flowing. Every ounce you can save
has benefits. And it IS called experimental aviation. Of course one big
question is always the cost/time/benefit relationship.
For more specific thoughts I would look at experimenting with things
that could be more easily changed. I saw one somewhere that had a carbon
fiber instrument panel. I am looking at maybe using composites on my
750 for the seat pans, control sticks, pedals, muffler bearings, and who
knows what else.
Every design is a collection of compromises, maybe you can find a set
that suits you better than the designer's original.
Raymond Julian
Kettle River, MN
On 09/15/2010 12:55 AM, Benjamin Q wrote:
> --> Zenith701801-List message posted by: "Benjamin Q"<ben.queener@gmail.com>
>
> My work on my 701 was unexpected stalled by a surprise deployment to Afghanistan.
I am an engineer, so I have spent quiet a bit of free time thinking about
the 701.
> Two things really impress me about the 701...it's lightweight and it's modular
design. As lightweight as it is, it seems like there are areas where you
could take advatage of its modular construction and use carbon fiber to save
a few pounds. Some of the steel pieces like the rudder pedals could be replaced.
If you accounted for the COG shift you might be able to fabricate all the
tail section pieces and flaperons out of carbon fiber. And if you did some honest-to-goodness
engineering, you could switch out the landing gear and make
some aerodynamic struts.
> When I get home I might weight the parts and pieces and do some back of the
envelope calculations and see what kind of weight savings a person could expect.
> Has anyone else looked into this? I've already finished all the major modules
of the kit, but it seems like it would be an interesting way to continue
to the build/experimentation phase after the airplane is done.
> I would be interested to hear your thoughts.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=312491#312491
>
>
Message 3
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| Subject: | Re: A lighter 701 |
I love to fly and getting in the air is my first priority. But one of the reasons
I settled on the 701 kit was because it hold a very distinct plane in the
experimental aircraft world as a STOL aircraft. I think its exciting to already
be at the edges of STOL performance and still be able to make a meaningful
design contribution. I wonder if it is possible to bring the 701 to under 500
lbs?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=312813#312813
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