[f-AA] STC's for a Champ and a C85 engine

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j...@joea.com

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Oct 12, 2014, 11:17:07 PM10/12/14
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I am far from a Champ expert (they are slow after all... :) ) but an old friend just called and he
rescued a Champ from a barn. Its going to need extensive restoration and it came without an
engine, so he is looking at options there as well.

I assume that there are numerous STC's to allow him to use various engines? Anything from
a 75 to 0200 engine I assume?

He lives in an area where heat and altitude are an issue, so am guessing that he will plan on
a C-85 engine at the smallest.

Any suggestions would be appreciated.

Thx,

Joe A
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Rich Dugger

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Oct 12, 2014, 11:54:05 PM10/12/14
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After owning a couple of Champs, both 85 HP I wouldn’t go near a 65 HP one
if I ever wanted to fly it in hot weather or carry two people.
The C-90 is the best of the bunch. Better than the O-200.

And at least one wing tank if you ever plan on going anywhere.

Rich


"I don't know what use any one could find for a machine that would make
copies of documents. It certainly couldn't be a feasible business by
itself."

(The head of IBM, refusing to back the idea, forcing the inventor to found
Xerox)

Ian Harvie

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Oct 13, 2014, 12:39:02 AM10/13/14
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Or a Don's Dream C-85/O-200.

Ian

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bruce snider

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Oct 13, 2014, 3:27:53 AM10/13/14
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Not that I don't think more HP is better, but my 65 HP Champ does quite well with 2 people.  And this is in the Texas heat too.

For lower elevations I feel there is no issue with a 65.  

I did fly an 0200 Champ a few years ago that would climb like the proverbial home sick angel, and blow the doors off a Chief while wizzing  past it :-) 

Cheers! Bruce 

(Where the icky weather has returned to London) 


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bruce snider

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Oct 13, 2014, 3:40:11 AM10/13/14
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Joe, regarding your original question. There are STCs for A75s and C85s that I am aware of.  The A75 is an improvement in climb over the 65, and is only a paperwork change.  (I think this is the Owens STC).  I believe there are a couple of C85 STCs from memory both require some bracing behing the firewall, and one requires the larger tail. I  sure somebody on the list knows.  85 and up offer starters, that would be nice 

There is a Cub at my airport that has a C85, and he is a bit faster than my Champ.  That is sad, but he does have to ride in the back of his bus when flying solo.   That is a big reason I picked the Champ.  Best view there is! 

Cheers, Bruce 


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Ian Harvie

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Oct 13, 2014, 4:23:50 AM10/13/14
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I'll be seeing my friend with his O-200 Champ on Wednesday and I'll ask,
but I think he didn't have an STC here in Aussie, but had something
drawn Up by an Engineer here. (Equivalent to a DER in the States?)

Ian

On 13/10/2014 6:39 PM, bruce snider wrote:
> Joe, regarding your original question. There are STCs for A75s and
> C85s that I am aware of. The A75 is an improvement in climb over the
> 65, and is only a paperwork change. (I think this is the Owens STC).
> I believe there are a couple of C85 STCs from memory both require some
> bracing behing the firewall, and one requires the larger tail. I sure
> somebody on the list knows. 85 and up offer starters, that would be nice
>
> There is a Cub at my airport that has a C85, and he is a bit faster
> than my Champ. That is sad, but he does have to ride in the back of
> his bus when flying solo. That is a big reason I picked the Champ.
> Best view there is!
>
> Cheers, Bruce
>
> On Monday, October 13, 2014, <j...@joea.com <mailto:j...@joea.com>> wrote:
>
> I am far from a Champ expert (they are slow after all... :) ) but
> an old friend just called and he
> rescued a Champ from a barn. Its going to need extensive
> restoration and it came without an
> engine, so he is looking at options there as well.
>
> I assume that there are numerous STC's to allow him to use various
> engines? Anything from
> a 75 to 0200 engine I assume?
>
> He lives in an area where heat and altitude are an issue, so am
> guessing that he will plan on
> a C-85 engine at the smallest.
>
> Any suggestions would be appreciated.
>
> Thx,
>
> Joe A
> _______________________________________________
> Aeronca mailing list
> Aer...@westmont.edu <javascript:;>
> http://mail.westmont.edu/mailman/listinfo/aeronca
>
>
>
> --
> (469) 737-0833
>
>
> _______________________________________________
> Aeronca mailing list
> Aer...@westmont.edu
> http://mail.westmont.edu/mailman/listinfo/aeronca
>
>
> No virus found in this message.
> Checked by AVG - www.avg.com <http://www.avg.com>
> Version: 2014.0.4765 / Virus Database: 4040/8380 - Release Date: 10/13/14

Ian Harvie

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Oct 13, 2014, 4:33:25 AM10/13/14
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OK I searched my files and found this old post. (Was Roy Johnson?)

Richard,

I bought the 0-200 STC from Superior Air Parts on 9/29/03. The pistons,
pins, rings, rods, rod bolts and nuts, and bearing set are in addition
to the $2397.45 for the crank kit and STC, bringing the total to
$2717.10. The purchase of the STC kit provides reduced prices for the
other items. Of course, if you have serviceable pistons, pins, rods and
new rod bolts/nuts, you can save a bit. You'll still need new bearings,
both mains and rods and, on an installation like this, the rods you have
should be magnafluxed, flat platted, weighed, and bushed and
Continental's new rod bolt nuts used. The cam and lifters should get the
same appropriate service. Both the crank and the cam gears and the oil
pump impellers should also be magnifluxed and inspected for
serviceability. Can't forget the cylinders - ought to be like new.

Roy


Ian
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j...@joea.com

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Oct 13, 2014, 12:22:21 PM10/13/14
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Bruce,

Thanks and appreciate the help. He is dealing first with the heat in Texas and is based up on
the high plains so density altitude also hurts you. Finally he is an old fart like us and does not
weight 170 pounds anymore, so the extra 10-30 hp sure would help!

Ian,

Thanks for the information and parts to buy. His project is missing the entire engine so he
gets to start all over again.

Last question... where are the Champ jigs around the country? Any of them still in Texas? I
believe that we have one out West in California, one in Ohio with Brian Safran (Bill Pancake's
old jig) and what am I missing?

Thanks,

Joe A

On 13 Oct 2014 at 8:27, bruce snider wrote:

Date sent: Mon, 13 Oct 2014 08:27:02 +0100
From: bruce snider <cham...@gmail.com>
To: "aer...@westmont.edu" <aer...@westmont.edu>
Subject: Re: [f-AA] STC's for a Champ and a C85 engine
Send reply to: aer...@westmont.edu
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> To: <a>aer...@westmont.edu</a><br>
> Subject: [f-AA] STC&#39;s for a Champ and a C85 engine<br>

Thomas Holmes

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Oct 13, 2014, 12:41:49 PM10/13/14
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Joe,
there are at least two 85 hp STCs, Buzz Wagner's and Charlie Lasher's.  One of them keeps the small tail.  CRS as to which one tho'.
The O200 STC makes it really perform, tho' the C85 is plenty.  I sold a new old stock C85 crank for enough to pay for the O200 STC.

Tom​

Cy Galley

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Oct 13, 2014, 1:05:02 PM10/13/14
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There is also a Jig in Moses Lake, Washington; Rainbow Flying Service
509-765-1606

Robert McDonald

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Oct 13, 2014, 1:09:14 PM10/13/14
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On 14-10-13 03:39 AM, bruce snider wrote:
> Joe, regarding your original question. There are STCs for A75s and
> C85s that I am aware of. The A75 is an improvement in climb over the
> 65, and is only a paperwork change. (I think this is the Owens STC)...

If I remember correctly, the Owens STC allows you to use an A75 on your
Champ. It does not address the engine conversion.

If you are starting with an A65, at a minimum you need a new prop (finer
pitch) to achieve the higher RPM that gives you the additional 10hp.

I have been told that most of the engine mods required for the A75
conversion (oil squirt holes in the rod caps, pistons, rods, valves) are
done to A65s at rebuild to enhance longevity, but if that was not
documented you would have to tear down the engine and verify that those
mods were done. Some crankshafts with 1-3/16" crankpin lightening holes)
are not premitted.

See Continental SB M47-16 for details.

Rob

Mary and Dion Carr

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Oct 13, 2014, 7:16:17 PM10/13/14
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Joe,
I would think that Don's Dream machine would be good. I have the C-85 in my
Champ with the Lasher STC from David Lasher. I also have the small tail and
just the regular fuel tank modified per the STC.
Dion

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From: <j...@joea.com>
To: <aer...@westmont.edu>
Sent: Sunday, October 12, 2014 10:16 PM
Subject: [f-AA] STC's for a Champ and a C85 engine


Mary and Dion Carr

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Oct 13, 2014, 7:17:16 PM10/13/14
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American Champion also has one and they are a repair station as well as the
manufacturer. They are in Wisconsin so that may not work well for him. But
an option.
Dion

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From: <j...@joea.com>
To: <aer...@westmont.edu>

Richard Murray

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Oct 13, 2014, 7:28:27 PM10/13/14
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IMHO if you are operating in 85F + temps an oil cooler and filter are a really good addition.

Richard in OH

Aeronca Flyer

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Oct 13, 2014, 7:43:21 PM10/13/14
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Here's a C85-12:

http://www.gabraviation.com/sitecore/content/Salvage_Repository/N76097_Cessna_120.aspx

Here's an O-200:

http://www.gabraviation.com/sitecore/content/Salvage_Repository/N4393U_Cessna_150D.aspx

Richard in Creswell, learning another advantage of tailwheel aircraft, you can start them with the tow bar attached

CaptG...@aol.com

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Oct 14, 2014, 12:44:37 AM10/14/14
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C75's can also acomdate starters--we just finished a J-3 with one that was damaged by wind that has a 75 with starter plae.
 
In a message dated 10/13/2014 3:40:15 A.M. Eastern Daylight Time, cham...@gmail.com writes:

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