Today's Message Index:
----------------------
1. 08:50 AM - DIY CNC size (DaveC)
2. 09:24 AM - Re: DIY CNC size (Robert Pelland)
3. 09:30 AM - Re: [Probable Spam] DIY CNC size (Larry McFarland)
4. 11:25 AM - Re: DIY CNC size (DaveC)
Message 1
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I am trying to decide on whether to build from scratch or from kit. I am leaning
towards scratch for all sorts of reasons and if I go that way I would want to
build a CNC machine first, as I am not fond of 'tin snips'.
I am trying to decide on what size CNC table I would need to construct. I would
like to build one that could accommodate 80% of the parts that need to be cut.
What I don't know is, what size is that? 36" x 48" maybe?
Could someone clue me into what size CNC table would accommodate 80% of the parts
of a CH-750?
Thank you for your time,
Dave
(working on my Wynne Corvair conversion now)
--------
Dave
Alvin, Texas
CH-701 wanna-be-soon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=352045#352045
Message 2
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| Subject: | Re: DIY CNC size |
Dave,
I am sort of in the same situation as yourself, the difference being, I have
already started the build process on not one, but two scratch built aircraft
a 701 & 750 simultaneously. I have spent week's on the various CNC Forums,
and the only one I would recommend ( other then buying a complete machine
for really BIG BUCK'S ) is the Mech Mate. Check out their website here,,,,
http://www.mechmate.com/
It is the only one I considered ( I have already received almost 80% of the
MechMate parts ) since it can be constructed with very basic tools, has
free, very intricate plans ( I wish my Zenith Plans were made as well ) and
can be built in any size you need.
Mine will be 5' by 12' so that it can accommodate a full 12' sheet of
aluminum.
You might want to spend a little time on their Forum at the following
http://www.mechmate.com/forums/index.php and you will appreciate the
excellent help, that can be had during all stages of construction.
If you care to, please let me know how you made out, at my personal e-mail
at the following robert.pelland@cgocable.ca
regards
Bob
----- Original Message -----
From: "DaveC" <davecove@gmail.com>
Sent: Monday, September 12, 2011 11:48 AM
Subject: Zenith750-List: DIY CNC size
>
> I am trying to decide on whether to build from scratch or from kit. I am
> leaning towards scratch for all sorts of reasons and if I go that way I
> would want to build a CNC machine first, as I am not fond of 'tin snips'.
>
> I am trying to decide on what size CNC table I would need to construct. I
> would like to build one that could accommodate 80% of the parts that need
> to be cut. What I don't know is, what size is that? 36" x 48" maybe?
>
> Could someone clue me into what size CNC table would accommodate 80% of
> the parts of a CH-750?
>
> Thank you for your time,
> Dave
> (working on my Wynne Corvair conversion now)
>
> --------
> Dave
> Alvin, Texas
> CH-701 wanna-be-soon
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=352045#352045
>
>
>
Message 3
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Hi Dave,
I'm a scratch advocate because Zenith designs are simple and rather direct.
Because of that, I'd recommend you try working
with the simple tools first. CNC is a complexity that would require you to
input all the guidance in excess of 100 percent before cutting
a piece. That's not to say it can't be done, but CNC best serves multiple
parts, large quantities. For one plane, the parts are easiest done per
plans with tin-snips, hand drill etc. and would be faster one piece at a
time. When it's time to do ribs, you can cut them out using one template and
bend them on a pair of forming blocks, easily done in little more than a
week of evenings.
Building any Zenith from scratch is great fun with simple tools. If you mess
up something, even after the build, you then know how to replace the parts
without having to maintain a heavy inventory of cutters and a machine.
If you're determined to do CNC, perhaps Zenith would consent to provide some
of their programming to shorten your effort ;-)
Visit my site for some of the how to's if you're interested.
Larry McFarland 601HDS at www.macsmachine.com
-----Original Message-----
From: owner-zenith750-list-server@matronics.com
[mailto:owner-zenith750-list-server@matronics.com] On Behalf Of DaveC
Sent: Monday, September 12, 2011 10:49 AM
Subject: [Probable Spam] Zenith750-List: DIY CNC size
I am trying to decide on whether to build from scratch or from kit. I am
leaning towards scratch for all sorts of reasons and if I go that way I
would want to build a CNC machine first, as I am not fond of 'tin snips'.
I am trying to decide on what size CNC table I would need to construct. I
would like to build one that could accommodate 80% of the parts that need to
be cut. What I don't know is, what size is that? 36" x 48" maybe?
Could someone clue me into what size CNC table would accommodate 80% of the
parts of a CH-750?
Thank you for your time,
Dave
(working on my Wynne Corvair conversion now)
--------
Dave
Alvin, Texas
CH-701 wanna-be-soon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=352045#352045
Message 4
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| Subject: | Re: DIY CNC size |
Bob, I was was not looking at a full-sized CNC bed for cost reasons, not space
reasons as I have good amount of space. I figured a smaller 4'x3' CNC that did
80% of the parts would be much cheaper than a 4'x12' model. Maybe not... If you
don't mind me asking, how much do you think you will spend on your 4x12 MechMate?
(my email is in my profile)
Building such a monster might be worth it for me since the wife wants a Hummel
UltraCruiser after the 750 and then I might do a 'go real fast' 2-seater for x-country.
--------
Dave
Alvin, Texas
CH-750 wanna-be building Wynne Corvair conversion
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=352063#352063
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