23 Apr 2024, 02:32 [ UTC - 5; DST ]
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 09 Mar 2018, 13:02 |
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Joined: 02/04/10 Posts: 1521 Post Likes: +2665 Company: Northern Aviation, LLC
Aircraft: C45H, Aerostar, T28B
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A Riley Turbostream 310. Those things are totally bad-ass, about the only thing that will catch it is an Aerostar 700.
"Jack Riley produced variants of the Cessna 310 to improve performance. The Riley Rocket 310 and the Riley Turbostream 310 replaced the standard Continental 310 hp (230 kW) engines with Lycoming TIO-540 350 hp (261 kW) engines. These turbocharged intercooled engines were installed with three-blade Hartzell propellers in a counter-rotating configuration to further increase performance and single-engine safety. At 5,400 lb (2,400 kg) gross weight the aircraft had a weight to power ratio of 7.71 lb (3.50 kg) per horsepower. This resulted in a cruising speed of 260 knots (480 km/h) at 18,000 feet (5,500 m) and a 3,000fpm rate of climb."
Last edited on 09 Mar 2018, 15:30, edited 1 time in total.
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 09 Mar 2018, 16:41 |
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Joined: 11/10/10 Posts: 1940 Post Likes: +500 Location: Mason, MI (KTEW)
Aircraft: Stinson 108, V35A
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Username Protected wrote: A Riley Turbostream 310. Those things are totally bad-ass, about the only thing that will catch it is an Aerostar 700.
"Jack Riley produced variants of the Cessna 310 to improve performance. The Riley Rocket 310 and the Riley Turbostream 310 replaced the standard Continental 310 hp (230 kW) engines with Lycoming TIO-540 350 hp (261 kW) engines. These turbocharged intercooled engines were installed with three-blade Hartzell propellers in a counter-rotating configuration to further increase performance and single-engine safety. At 5,400 lb (2,400 kg) gross weight the aircraft had a weight to power ratio of 7.71 lb (3.50 kg) per horsepower. This resulted in a cruising speed of 260 knots (480 km/h) at 18,000 feet (5,500 m) and a 3,000fpm rate of climb." Wow!
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 09 Mar 2018, 21:09 |
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Joined: 10/23/11 Posts: 244 Post Likes: +67 Location: KUZA
Aircraft: D95A
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On Eclipse day I went to 4M7 and this was in the hangar....
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 10 Mar 2018, 18:07 |
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Joined: 06/11/09 Posts: 564 Post Likes: +200 Company: Moorhead Aviation Services Location: KJKJ, Moorhead MN
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Username Protected wrote: I wonder if this plane would give the 56TC a run for it's money. I have been fortunate as an avionics tech to go up in both the 56TC and a converted 310Q. I think the 310 would take it, but I would love to see a comparison run under identical conditions.
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 12 Mar 2018, 22:02 |
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Joined: 01/09/12 Posts: 1653 Post Likes: +2387 Company: MENA, LLC, (Retired Soldier) Location: Hampton, GA (South of Atlanta)
Aircraft: Shopping for a Beech
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Are they a worthwhile cross country plane for a family of 4 who doesn't have access to an Oil Company?
Is it possible to run lean of peak?
What is their usual cruise and fuel burn?
Yes my wife actually found a low time example with the engines recently overhauled.
Thank you,
Martin
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 13 Mar 2018, 01:29 |
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Joined: 10/10/14 Posts: 1489 Post Likes: +1205 Location: St George UT
Aircraft: Mooney D 1964
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A friend of mine has one and says he's never had it wide open. Hasn't yet seen its top speed. I maintained and flew Navajos for years and never thought they were hard to work on. The engine package was decades ahead of Cessnas. Very well engineered in my mind. Had very few problems with the engines. IIRC we cruised at 16 GPH/side. I want to say leaned to 1550 degrees.
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 13 Mar 2018, 10:51 |
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Joined: 01/24/10 Posts: 6756 Post Likes: +4422 Location: Concord , CA (KCCR)
Aircraft: 1967 Baron B55
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Username Protected wrote: A friend of mine has one and says he's never had it wide open. Hasn't yet seen its top speed. I maintained and flew Navajos for years and never thought they were hard to work on. The engine package was decades ahead of Cessnas. Very well engineered in my mind. Had very few problems with the engines. IIRC we cruised at 16 GPH/side. I want to say leaned to 1550 degrees. Cliff , the Reilly Rocket was the one that was a PIA to work on. This was the first one and had IO540 290 hp lycomings with dual Ray Jay Turbo’s stuffed into the early 310 airframe. The engine compartment was very compact. The R. Rocket was also fast but the R. Turbo Stream was faster.
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Post subject: Re: Cessna 310 with Navajo engines? Posted: 19 Mar 2018, 20:40 |
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Joined: 07/04/11 Posts: 1712 Post Likes: +242 Company: W. John Gadd, Esq. Location: Florida
Aircraft: C55 Baron
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Username Protected wrote: What's the catch---seems too cheap no?
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