19 Apr 2024, 12:55 [ UTC - 5; DST ]
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Post subject: Calling 185 owners  Posted: 12 Apr 2018, 08:33 |
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Joined: 12/29/12
Posts: 656
Post Likes: +256
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Hi guys,
Just wondering for the 185 drivers. What does your plane indicate when cruising at 65% and 7500 ft? TAS would be great info as well.
Rgs
Patrick
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Post subject: Re: Calling 185 owners Posted: 12 Apr 2018, 10:53 |
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Joined: 01/06/09
Posts: 444
Post Likes: +146
Aircraft: A185F
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At 24 squared I see 135-140 kts on an A185F with horton stol, and 8.50 tires (no wheel pants), IO520D.
Andy
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Post subject: Re: Calling 185 owners Posted: 12 Apr 2018, 13:49 |
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Joined: 06/15/16
Posts: 67
Post Likes: +24
Aircraft: C 185 FA 10 DC 3T
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I have a 1965 C-185D IO-470F
When on wheels, (8.50) + 6 inch Bubble windows
at 7500 ft
64% 2300 / 22 inches = 11.8 G/H 65 % on JPI 900
TAS = 150 mph / 130 kts
Last edited on 13 Apr 2018, 12:15, edited 1 time in total.
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Post subject: Re: Calling 185 owners Posted: 12 Apr 2018, 16:41 |
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Joined: 05/23/08
Posts: 6059
Post Likes: +703
Location: CMB7, Ottawa, Canada
Aircraft: TBM - C185 - T206
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At 7500' you will be WOT and indicated around 135 Kts. IO-550 engine, 800 tires with bubble windows/floats/ski fittings and lots of drag. Here is 130 kts indicated at 9000 ft LOP @ 13 gph. Username Protected wrote: Hi guys,
Just wondering for the 185 drivers. What does your plane indicate when cruising at 65% and 7500 ft? TAS would be great info as well.
Rgs
Patrick
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_________________
Former Baron 58 owner.
Pistons engines are for tractors.
Marc Bourdon
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Post subject: Re: Calling 185 owners Posted: 13 Apr 2018, 11:23 |
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Joined: 01/10/13
Posts: 1129
Post Likes: +434
Location: greenville,ms
Aircraft: baron 58
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bubble windows, flint tip tanks and big tires, around 130 kts with a 3 blade seaplane prop
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Post subject: Re: Calling 185 owners Posted: 13 Apr 2018, 14:38 |
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Joined: 12/07/12
Posts: 224
Post Likes: +114
Aircraft: Cessna 185
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1971 185, Snider speed kit, 206 panties over 800x6 mains, 88 inch 3
blade big foot prop, IO-520. Our airport is at 7411 so I'm seldom at 7500 ft. At 8500, 2500 RPM, WOT, TAS of 154 knots light, 150 heavy.
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Post subject: Re: Calling 185 owners Posted: 13 Apr 2018, 18:52 |
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Joined: 12/29/12
Posts: 656
Post Likes: +256
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thank you all for your replies. This helps a lot.
Rgs,
Patrick.
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Post subject: Re: Calling 185 owners Posted: 17 Apr 2018, 09:12 |
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Joined: 05/22/16
Posts: 58
Post Likes: +44
Aircraft: CC EX-3
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Username Protected wrote: 1971 185, Snider speed kit, 206 panties over 800x6 mains, 88 inch 3
blade big foot prop, IO-520. Our airport is at 7411 so I'm seldom at 7500 ft. At 8500, 2500 RPM, WOT, TAS of 154 knots light, 150 heavy. Hey Ron, it'll be a little faster at 2400 with that prop.  One thing pretty well known is that some are faster than others. Not sure anyone really knows why. Of course, around here, you are still talking about who is the tallest midget at the circus.
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Post subject: Re: Calling 185 owners Posted: 17 Apr 2018, 16:33 |
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Joined: 12/07/12
Posts: 224
Post Likes: +114
Aircraft: Cessna 185
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Username Protected wrote: 1971 185, Snider speed kit, 206 panties over 800x6 mains, 88 inch 3
blade big foot prop, IO-520. Our airport is at 7411 so I'm seldom at 7500 ft. At 8500, 2500 RPM, WOT, TAS of 154 knots light, 150 heavy. Hey Ron, it'll be a little faster at 2400 with that prop. One thing pretty well known is that some are faster than others. Not sure anyone really knows why. Of course, around here, you are still talking about who is the tallest midget at the circus.
Hi John, good to see you here on BT. If any one would know, you would be the guy, with all the testing, mods and engine changes you have done on your 180 and 185 aircraft. I've talked about the difference in speeds in the 180/185 type aircraft on another thread here on BT. Some are born fast and then there are the rest.
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Post subject: Re: Calling 185 owners Posted: 18 Apr 2018, 13:45 |
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Joined: 10/19/08
Posts: 1492
Post Likes: +1778
Location: Far West Texas
Aircraft: B58, C180, GL 2T1A-2
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One more little "speed secret", factory OEM. P-Ponked early 180.
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Post subject: Re: Calling 185 owners Posted: 19 Apr 2018, 01:41 |
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Joined: 06/12/11
Posts: 190
Post Likes: +215
Aircraft: J3C, C185, Pitts S1S
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Man, 135 kts indicated at 9000' is blazing fast for a 185. Didn't think a 550 would make that much difference in cruise. I'm impressed.
Mine has bubble windows, Sneider kit, stock IO-520d, 8.50s and a Hatzell 80" three blade.
At 7500', WOT/2400 (almost exactly 65%) is 140 kts true @ 15gph ROP. 132 kts true @ 11gph LOP (LOP is just under 120 KIAS).
Mine isn't a lightweight, but I can still load full fuel, four 200lb people and 154 lbs of bags and be at gross and in CG. At gross (near it anyway, I've never managed to get it to max gross) it loses 3-4 kts true.
Best all around airplane I've ever owned.
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