11 Nov 2025, 19:12 [ UTC - 5; DST ]
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 04 Feb 2018, 12:14 |
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Joined: 01/31/10 Posts: 13626 Post Likes: +7758 Company: 320 Fam
Aircraft: 58TC
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Username Protected wrote: I have a 182 P with all of the available speed mods and with an IO 520 Texas Skyways conversion to carburetor. It will do 160-165 knots true, BUT that's at about 4000 feet where you can get enough manifold pressure to get 75% power, which also requires a fuel burn of about 17.5 GPH. For me, it's not worth it, nor practical. That is a solid 30kts faster than my 470 Skylane. It was 135kts every time.
_________________ Views are my own and don’t represent employers or clients My 58TC https://tinyurl.com/mry9f8f6
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 04 Feb 2018, 12:36 |
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Joined: 02/23/17 Posts: 177 Post Likes: +45 Location: KSSF
Aircraft: T210N,182Q,310R
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Yep our 182Q is a 130knot plane, maybe because of the VG's, but it will get off the ground short. Now just purchased a 310R to make up for speed, thankfully it outran my 210 or I would have been a little upset.
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 04 Feb 2018, 12:45 |
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Joined: 03/28/17 Posts: 8939 Post Likes: +11341 Location: N. California
Aircraft: C-182
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Username Protected wrote: I have a 182 P with all of the available speed mods and with an IO 520 Texas Skyways conversion to carburetor. It will do 160-165 knots true, BUT that's at about 4000 feet where you can get enough manifold pressure to get 75% power, which also requires a fuel burn of about 17.5 GPH. For me, it's not worth it, nor practical. That is a solid 30kts faster than my 470 Skylane. It was 135kts every time.
Speeds for Skylanes are all over the map depending on year model, and just as importantly, if not more, rigging. This airframe had no problem getting the book speed of `144 knots before the speed mods and engine upgrade. Cessna made some aerodynamic mods starting with the P model which gave it a 5 knot increase over the N model. Among 520 conversions for the Skylane there are also differences in horse power. Pponk uses the 7.5:1 pistons and the IO 520 uses 8.5:1 pistons resulting in more horse power. Pponk Skylane performance charts show 164 knots at 4000 feet, 23.5 MP 2600 RPM.
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 04 Feb 2018, 17:23 |
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Joined: 12/07/12 Posts: 224 Post Likes: +114
Aircraft: Cessna 185
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Tom, she's a keeper., love the seats. I see a lot of fun trips coming up. Ron
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 04 Feb 2018, 18:06 |
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Joined: 08/21/13 Posts: 344 Post Likes: +221 Location: SW Colorado
Aircraft: 182PPonk
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Nice looking 182, Tom! My wife insisted on a 182, so I understand where you are coming from. Just great all-around airplanes, especially with that engine. And those seats look awesome.
Larry
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 04 Feb 2018, 21:04 |
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Joined: 12/09/07 Posts: 17212 Post Likes: +13465 Location: Cascade, ID (U70)
Aircraft: C182
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Username Protected wrote: Tom, If you have not been to Boerne TX to meet Jack the owner of Texas Skyways, you should make a trip to see him. He is very enthuastic about his product, and I am sure that you will find him to be informative and interesting. Enjoy!! Cc Will do that, We have good friends in Bandera. I fly to Boerne to see them.
_________________ "Great photo! You must have a really good camera."
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Post subject: Re: Patience Pays. New Skylane For Me Posted: 05 Feb 2018, 03:35 |
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Joined: 12/12/14 Posts: 918 Post Likes: +184 Location: Boise, ID
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If fugly for sale yet?
Jokes aside this will be a great plane for you. The Q models are rare, and even more rare in a texas skyways converted form. I wish I had your plane. One reason: 28 volt.
As for the texas skyways engines, the o-520 is typically 280HP. The o-550 is 300HP, but flat-rated at 285HP. Literally, they take a sharpie, cross out 300 on the dataplate and write 285hp. To develop 300HP, you exceed Manifold MP red-line and it's illegal per the STC (I suppose they didn't want to test flight control characteristics), but on the plus side when you depart from 3000ft, you get all 285HP. At under 2,000 Ft I am +1 to +2 over max MP redline.
I'm not sure if you can fly the o-520 at 280HP continuous, but who the hell would want to? To get 160kt you'd be burning gas and running the RPM very high. I have no clue what speed mine gets. I've taken the pants off and just don't care, but when flying in formation with other skylanes whom have pants on, I pull away.
However, about two years ago there was a skylane for sale at some las vegas based aircraft place. One of their specimens was a p-ponk and they had a data tables attached to the documents for this aircraft. The swear the guy was a scientist, they had a statistical table of every speed mod they did and the speed gain experienced from each. I wish I saved the file.
As for the tail, if you haven't painted it yet, it might be even easier to just change the L to an E.
Congratulations on the purchase. You'll be extremely happy. Did I ever show you mine Tom?
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