Today's Message Index:
----------------------
1. 05:01 AM - Re: CH701, C-85 Prop Size (kmccune)
2. 07:03 AM - Re: Santa was very generous (Carlos Sa)
3. 07:22 AM - Prop Pitch calculator (David L. Orr)
4. 01:17 PM - Re: Prop Pitch calculator (kmccune)
5. 01:19 PM - Re: Santa was very generous (kmccune)
6. 02:44 PM - Re: Rotax carburetor heat for sale (mcolbeck)
7. 05:20 PM - Re: Rotax carburetor heat for sale (Tommy Walker)
8. 06:51 PM - Re: Santa was very generous (stepinwolf)
9. 08:16 PM - Re: Santa was very generous (Curt Thompson)
Message 1
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| Subject: | Re: CH701, C-85 Prop Size |
This will give you a general idea.
http://www.culverprops.com/pitchselection.htm
As for the O-200 it is pretty much comparable to the Corvair and here is what
Mr. Whynne said about the Corvair and slow air plane props. Remember it was for
a Corvair and is a general statement.
"We recently thrust tested a 72" Warp Drive on a Corvair without a cowling, and
with a cast iron exhaust and big muffler in place. It pulled 385 pounds of thrust
at 2700rpm at a pitch which would yield a cruise speed of 85 or 90mph, with
a redline of 105 or 110. With a cowl and a flight exhaust, it would be 425
pounds or so. This combo would produce good average thrust over a wide range of
airspeeds. "
You can back calculate the pitch at the above link. Not perfect but its at least
from people who knows props and direct drive engines.
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=221178#221178
Message 2
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| Subject: | Re: Santa was very generous |
Sweet !!! Must have been a dog to gift-wrap...
Carlos
CH601-HD, plans
do not archive
2008/12/25 stepinwolf <robert.pelland@cgocable.ca>
> robert.pelland@cgocable.ca>
>
> For my Christmas present, take a look at the new 8' brake that I just
> got... eh you might want to make that bought.
>
> Made by Brown Boggs, it had just been refurbished with new pins. The only
> thing I was obliged to do, was to round off the blade so that I can get the
> 1/8" radius bends on aluminum.
>
> Bob
> the 701 & 750 Scratch
> Three Rivers , Quebec.
>
> www.autoretro.info
>
> --------
> Live each day, as if it was your last
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=221159#221159
>
>
> Attachments:
>
> http://forums.matronics.com//files/8ft_brake_163.jpg
>
>
Message 3
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| Subject: | Prop Pitch calculator |
Here is an Excel spreadsheet (Prop Pitch Speed calculator) I made up from the prop
web sites. Use it along with Culver's Prop page and it will get you really
close to actual flying numbers. After talking with a few guys flying different
props, I put their information in and it comes close to what they are getting
in the air. Use it if you want.
http://www.culverprops.com/pitchselection.htm
Thanks
David L. Orr
EAA 430
Message 4
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| Subject: | Re: Prop Pitch calculator |
interesting, is the 701 a minus 25% airframe of a minus 20% airframe?
Kevin
do not archive
--------
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=221249#221249
Message 5
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| Subject: | Re: Santa was very generous |
nice!
Kevin
do not archive
--------
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=221250#221250
Message 6
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| Subject: | Re: Rotax carburetor heat for sale |
Tommy I should re state that. It is the Zenith FWF mount that attaches to the ring
mount. The two upper arms do not allow for the heater box to sit down and
align with the carbs. I don't think there is any way to modify it to fit.
If anyone knows a mod to make it work? With the bed mount the upper arms are at
sharper angle and allow for the installation.
--------
CH701 Builder and new flyer
Rudder, HS, and Elevator completed
Left wing Complete
50% complete on Right Wing
99% Complete on Fuselage
Engine installed almost ready to fire
Instrument panel and electrical Complete
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221266#221266
Message 7
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| Subject: | Re: Rotax carburetor heat for sale |
Mike did you take a look at the pictures Craig uploaded about modifying the air
box? I wonder if that would work in getting it to fit?
Tommy
Do Not Archive
mcolbeck wrote:
> Tommy I should re state that. It is the Zenith FWF mount that attaches to the
ring mount. The two upper arms do not allow for the heater box to sit down and
align with the carbs. I don't think there is any way to modify it to fit.
> If anyone knows a mod to make it work? With the bed mount the upper arms are
at sharper angle and allow for the installation.
--------
Tommy Walker
N8701 - Anniston, AL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221283#221283
Message 8
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| Subject: | Re: Santa was very generous |
Would anyone care to guess, who all got bent up tonight.
That new brake is sure a pleasure to work with.
Bob
the 701 & 750 Scratch
Three Rivers , Quebec.
--------
Live each day, as if it was your last
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221297#221297
Attachments:
http://forums.matronics.com//files/parts_197.jpg
Message 9
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| Subject: | Santa was very generous |
Nice brake.
I've been looking around for one that I could use/borrow. Turns out my son
is taking a welding class at a local high school and they have one. Made
friends with the teacher and he let me use it. Cost me a dozen donuts.
Welcomed me back any time.
Curt
-----Original Message-----
From: owner-zenith701801-list-server@matronics.com
[mailto:owner-zenith701801-list-server@matronics.com] On Behalf Of
stepinwolf
Sent: Thursday, December 25, 2008 8:32 PM
Subject: Zenith701801-List: Santa was very generous
<robert.pelland@cgocable.ca>
For my Christmas present, take a look at the new 8' brake that I just got...
eh you might want to make that bought.
Made by Brown Boggs, it had just been refurbished with new pins. The only
thing I was obliged to do, was to round off the blade so that I can get the
1/8" radius bends on aluminum.
Bob
the 701 & 750 Scratch
Three Rivers , Quebec.
www.autoretro.info
--------
Live each day, as if it was your last
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221159#221159
Attachments:
http://forums.matronics.com//files/8ft_brake_163.jpg
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