Today's Message Index:
----------------------
1. 05:31 AM - Re: Kit or Scratch? (Art Olechowski)
2. 09:07 AM - Re: Kit or Scratch? (Randall J. Hebert)
3. 12:31 PM - Re: Kit or Scratch? (Art Olechowski)
4. 12:33 PM - Prestart warm up question (Ken Arnold)
5. 01:46 PM - Re: Prestart warm up question (Les Goldner)
6. 02:12 PM - Re: Kit or Scratch? (Randall J. Hebert)
7. 02:45 PM - Re: Great news for the School kids at CKJH (kmccune)
8. 03:52 PM - two question on ch 701 design (ndibiase)
9. 04:01 PM - N73EX Is Now For Sale (George Race)
10. 04:04 PM - Chat Room Reminder For "Digesters" (George Race)
11. 05:04 PM - Re: Great news for the School kids at CKJH (Brady)
12. 08:29 PM - Re: two question on ch 701 design (jetboy)
Message 1
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| Subject: | Re: Kit or Scratch? |
Bob,
Depending on several variables, raw materials cost could be approximately 3
0-40% of the current 701 kit price.- I'm in the Aviation Capital so I hav
e no issues finding aircraft grade materials, but Yarde Metal online is a g
ood resource if you need have it shipped in.- No, disappointingly the pla
ns do not include material quantites, this is left up to the builder to det
ermine.- If your debating of whether or not to scratchbuild, the DVD is p
riceless overview of what you could anticipate.
do not archive
Art Olechowski
750 Plans/701 Rudder
--- On Thu, 10/16/08, Bob Collins <bobcollins42@gmail.com> wrote:
From: Bob Collins <bobcollins42@gmail.com>
Subject: Zenith701801-List: Kit or Scratch?
<bobcollins42@gmail.com>
I have a question for everyone, but especially those of you like Chris
Lewis who are building from plans (scratch building).
What do you think the cost comparison is between the raw materials and
Zenith's kit? My workshop instructor felt that there might be little or
no savings over buying the kit. Considering my knowledge of how business
works, this might be true.
Again, for the scratch builders, where are you buying your metal? Are
you able to find it locally or do you have to order it from places such
are Aircraft Spruce or Wicks? Do the plans recommend the size and
quantity of raw stock to buy?
Third question. For those of you who have viewed it, what do you think
of the "Scratch Building Basics for Metal Aircraft" DVD from
HomebuiltHELP.com?
Thanks,
Bob Collins
Sunnyvale CA USA
CH750 (well, sitting here with a fine new 701/750 rudder)
Message 2
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Art and Bob
CH701.com under Builders Resources has a couple of good spreadsheets
listing all or maybe 99.99% of the materials
It is user supplied.
Randall J Hebert
Do Not Archive
Bob,
No, disappointingly the plans do not include material quantites, this is
left up to the builder to determine.
Message 3
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Randall,
You absolutely correct, and I'm aware of them but they don't (currently) wo
rk for scratching the 750, only the 701.- Ideally, Zenith should include
a list of raw materials as part of the plans since they know exact quantiti
es, of course you would have to add in waste and rework percentages of your
own.- Just seems weird that they don't list quantities since its already
a known for them.
Art
--- On Sun, 10/19/08, Randall J. Hebert <randy@rjhebertassoc.com> wrote:
From: Randall J. Hebert <randy@rjhebertassoc.com>
Subject: RE: Zenith701801-List: Kit or Scratch?
Art and Bob
CH701.com under Builders Resources has a couple of good
spreadsheets listing all or maybe 99.99% of the materials
It is user supplied.
-
Randall J Hebert
-
Do Not Archive
-
Bob,
No, disappointingly the plans do not include material quantites, this is
left
up to the builder to determine.-
-
Message 4
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| Subject: | Prestart warm up question |
Listers,
Some time ago, several owners of CH701 described how they warmed the
engine before starting it in cold weather. I failed to save any of
these e-mails.
I would appreciate recommendations for my application. I have CH701
with Rotax 912ULS waiting in the hanger. I have 120 volt power
available.
Many thanks,
Ken
N701LK
Pikeville, NC
do not archive
Message 5
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| Subject: | Prestart warm up question |
Ken,
Rotax says you need to build the oil temps up to 120-degrees before running
the engine fast. The exact specs are in the Rotax manual. I know truckers
who use special heating blankets and even talked with a guy who said he
builds a fire under his engine to get it going on cold days in Alaska. Since
I live in California I never had to pre-heat the engine so I can't
recommend any devices. It takes about 10 minutes idling for the oil to get
to 120-degrees on my 912ULS. I purchased an oil bypass thermostat system to
speed this up, but decided not to install it because it would add a lot of
extra piping with extra potential for oil system failure (anyone want to buy
it?).
Les
_____
From: owner-zenith701801-list-server@matronics.com
[mailto:owner-zenith701801-list-server@matronics.com] On Behalf Of Ken
Arnold
Sent: Sunday, October 19, 2008 12:33 PM
Subject: Zenith701801-List: Prestart warm up question
Listers,
Some time ago, several owners of CH701 described how they warmed the engine
before starting it in cold weather. I failed to save any of these e-mails.
I would appreciate recommendations for my application. I have CH701 with
Rotax 912ULS waiting in the hanger. I have 120 volt power available.
Many thanks,
Ken
N701LK
Pikeville, NC
do not archive
Message 6
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Sorry
I didn't see you guys were talking 750
But Yes I agree A Bill of Materials should accompany the plans
Do Not Archive
Randall J Hebert
Randall,
You absolutely correct, and I'm aware of them but they don't (currently)
work for scratching the 750,
Message 7
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| Subject: | Re: Great news for the School kids at CKJH |
Sorry to hear about the end of the program, it was a very good idea. Still, the
kids who participated are much better off for the experience. I doubt that many
kids get to help build something of this magnitude. Please tell everyone involved
that I applaud there efforts and vision.
Kevin
--------
Mark Twain: Twenty years from now you will be more disappointed by the things that
you didn't do than by the ones you did do. So throw off the bowlines. Sail
away from the safe harbor. Catch the trade winds in your sails. Explore. Dream.
Discover.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9390#209390
Message 8
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| Subject: | two question on ch 701 design |
i'd like to ask two questions to list expertise.
Why on Ch701 it was used a series 6 laminar profile (NACA 650-18) in a low speed
, draggy context ?
Why is there a new stop tab that hardly limit elevator down travel with resultant
not too much nose down authority in same flight envelope points.
thanks in advance
nicola di biase
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9394#209394
Message 9
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| Subject: | N73EX Is Now For Sale |
See Details at: www.mykitairplane.com/701Sale
George
do not archive
Message 10
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| Subject: | Chat Room Reminder For "Digesters" |
Please join us for our Monday evening chat room starting around 8:00 PM
Eastern Time.
<blocked::blocked::blocked::blocked::blocked::blocked::http://www.mykitairpl
ane.com/chat/> http://www.mykitairplane.com/chat/
George
Do Not Archive
Message 11
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| Subject: | Re: Great news for the School kids at CKJH |
Thank you Kevin,
I agree with you whole heartily.
That is why we are going to try it again!
My wife Just started a Non-profit for young girls.
She deals with "girl issues" like positive self esteem and stuff like that.
We plan to help the girls build a 601 that was started by the CKJH kids.
It is a really good cause and I hope it goes well.
Her website is www.ourbeautiywithin.org if you are interested.
I hope to teach the kids some cool stuff like welding, machine work & and of coarse
sheet metal fabrication. If they learn how to use tools and think like problem
solvers they will be well ahead the rest of their pier groups.
Anyway, take care,
Brady
--------
Brady McCormick
Poulsbo, WA
www.magnificentmachine.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9408#209408
Message 12
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| Subject: | Re: two question on ch 701 design |
(1) I have no idea about the choice of wing airfoil however it was chosen by a
professional designer who also chose the Robin HR200 and 2000 series structures
and mine flys OK
(2) The recommended elevator limits I understand only apply to CH601XL, and the
explanation given is to prevent wing overload under certain piloting conditions.
This type of limitation is often incorporated to aircraft when other changes
such as weight increase can lead to the original setup becoming marginal. Cessna
did this to the 152 and 172 max. flap settings (as does Zenair for the rev-4
and later CH701) and the C177 had elevator slots added, there was nothing
bad about any of these planes just some pilots needed more margin.
Ralph
--------
Ralph - CH701 / 2200a
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9422#209422
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