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18 Apr 2024, 22:10 [ UTC - 5; DST ]


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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 17 Sep 2017, 17:06 
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If I recall, the Colemill 320 replaces the TSIOs with 300hp IO-550s.

I thought that may be- tho this is the only one I've found online...
http://www.vastaviation.com/2012/1965-c ... 0-n6060-2/


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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 17 Sep 2017, 19:23 
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I had a 320E for a number of years. Other than the fleet including older 310s being over 50 years old, the 320Es and Fs are incredible planes. They will carry a large load with the 5th and 6th seats removed, and scoot along at 200ktas in the low teens. It is very easy to fly SE and you will see a true 500ft/m climb on one engine. Not that I would do it, the owners manual has specs for a SE take-off.

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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 17 Sep 2017, 20:32 
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Plus 10 on Jerry W, great ifr ride along. Thanks for gear pics, heard but never saw that.
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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 18 Sep 2017, 00:32 
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Username Protected wrote:
What is a Colemill 320? I'm guessing they put IO-550's or Navajo Cheiftain engines on them?

edit: found they are actually "just" TSIO-520's


If I recall, the Colemill 320 replaces the TSIOs with 300hp IO-550s.

The Colemill conversion for the Cessna 320 used the IO-520E - same as the President 600 Baron.
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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 18 Sep 2017, 22:15 
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edit: found they are actually "just" TSIO-520's[/quote]

If I recall, the Colemill 320 replaces the TSIOs with 300hp IO-550s.[/quote]
The Colemill conversion for the Cessna 320 used the IO-520E - same as the President 600 Baron.[/quote]


That takes away the turbos?


I always wondered why they weren't as popular as 310s.


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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 20 Sep 2017, 23:51 
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I stand corrected. -520s.

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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 21 Sep 2017, 09:18 
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Username Protected wrote:
That takes away the turbos?

Yes it does. The Colemill 320 SkyKnight is normally aspirated.

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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 21 Sep 2017, 20:16 
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Username Protected wrote:
That takes away the turbos?

Yes it does. The Colemill 320 SkyKnight is normally aspirated.



Looks cool. Like them.

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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 26 Sep 2017, 19:52 
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Seem to be a good value. What are the drawbacks? Is one model preferred?

Nothing wrong with 320's. They are just getting old. Look for the newest one you can find, as they have the most refinement. Get a good clean airframe. It's a T310 with a larger airframe. Lots of parts compatibility between the two. They discontinued the model after 1968. That's when the T310 came out. I guess it didn't fit in marketing's lineup, VW.


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 Post subject: Re: What is wrong with Cessna 320's
PostPosted: 26 Sep 2017, 23:59 
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Username Protected wrote:
Seem to be a good value. What are the drawbacks? Is one model preferred?

Nothing wrong with 320's. They are just getting old. Look for the newest one you can find, as they have the most refinement. Get a good clean airframe. It's a T310 with a larger airframe. Lots of parts compatibility between the two. They discontinued the model after 1968. That's when the T310 came out. I guess it didn't fit in marketing's lineup, VW.

Exactly. I think the bean counters made the decision to discontinue the 320 with the "F" model in 1968 and replace it with the Turbo 310P in 1969. Too bad Jerry Temple is not on our forum - I hear he knows quite a bit about Twin Cessna geneology.
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