27 Apr 2024, 21:04 [ UTC - 5; DST ]
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Post subject: Re: Aerostars Posted: 05 Nov 2018, 17:57 |
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Joined: 08/30/13 Posts: 409 Post Likes: +71 Company: Cruce Aircraft Services Location: KPGD
Aircraft: Learjet 55, C-310
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Username Protected wrote: Coming soon..... Very nice. On market or off market? How did you find it?
Off market.
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Post subject: Re: Aerostars Posted: 05 Nov 2018, 18:14 |
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Joined: 11/06/10 Posts: 11903 Post Likes: +2857 Company: Looking Location: Outside Boston, or some hotel somewhere
Aircraft: None
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Username Protected wrote: I miss that capability.... Tim
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Post subject: Re: Aerostars Posted: 05 Nov 2018, 22:16 |
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Joined: 09/25/08 Posts: 469 Post Likes: +514
Aircraft: 700P, F35, D17
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Mine burns a ton of fuel but it is still a lot of fun to fly. Came back this week from Midland, Texas to Houston, Texas and made well over 300kts over the ground with a 55 knot tail wind at 65% power.
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Post subject: Re: Aerostars Posted: 06 Nov 2018, 13:42 |
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Joined: 11/25/16 Posts: 1829 Post Likes: +1405 Location: 2IS
Aircraft: C501
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Username Protected wrote: Mine burns a ton of fuel but it is still a lot of fun to fly. Came back this week from Midland, Texas to Houston, Texas and made well over 300kts over the ground with a 55 knot tail wind at 65% power. What sort of fuel burns were you seeing for those speeds?
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Post subject: Re: Aerostars Posted: 06 Nov 2018, 17:39 |
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Joined: 01/05/11 Posts: 314 Post Likes: +226
Aircraft: 1969 Aerostar 600,
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I think those are primarily U2A fuel burns. S1A5's I think are around 16-18 gal. per side at 65%. Then again, you have the short comings of the S1A5's as opposed to the U2A's. There's always a trade off.
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Post subject: Re: Aerostars Posted: 06 Nov 2018, 19:14 |
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Joined: 02/09/09 Posts: 5602 Post Likes: +2559 Location: Owosso, MI (KRNP)
Aircraft: 1969 Bonanza V35A
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Username Protected wrote: Most 700 Aerostars burn 23-24 gph per side at about 65% power (32” – 2200 rpm) and 1550 max TIT. Trying to run a 700 LOP will result in TIT’s over 1650 because of the low compression engines. Full power take off is 42”. It depends on altitudes and/or power settings. My 700SS with U2A's runs just fine at 75% LOP below about 10,000', or below about 60% power up to FL200. Beyond those two (straight line) restrictions, it won't operate LOP and remain below the recommended (to me) 1550 TIT's. 75% power at FL200 will put you right at 1650 TIT on mine.. Jason
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Post subject: Re: Aerostars Posted: 06 Nov 2018, 20:51 |
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Joined: 11/08/12 Posts: 437 Post Likes: +347 Location: Everson, WA
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Username Protected wrote: I think it has more to do with the pistons than the specific engine. You either have low compression (601/2P-Superstar, Super 700, 700P etc.) or you have high compression pistons (stock 601-P, 602-P). The stock 602P's also have low compression pistons. It's the primary differentiator between the 601P and 602P.
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Post subject: Re: Aerostars Posted: 06 Nov 2018, 23:11 |
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Joined: 11/06/10 Posts: 11903 Post Likes: +2857 Company: Looking Location: Outside Boston, or some hotel somewhere
Aircraft: None
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Username Protected wrote: Most 700 Aerostars burn 23-24 gph per side at about 65% power (32” – 2200 rpm) and 1550 max TIT. Trying to run a 700 LOP will result in TIT’s over 1650 because of the low compression engines. Full power take off is 42”. It depends on altitudes and/or power settings. My 700SS with U2A's runs just fine at 75% LOP below about 10,000', or below about 60% power up to FL200. Beyond those two (straight line) restrictions, it won't operate LOP and remain below the recommended (to me) 1550 TIT's. 75% power at FL200 will put you right at 1650 TIT on mine.. Jason
How does altitude play with LOP? The engines are turbo charged, and should maintain full power to the flight levels (I forget the critical altitude where you start to lose power). I recall the specs being around 80% at 25K for 261 KTAS, which was 300 MPH (used in marketing material).
Tim
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Post subject: Re: Aerostars Posted: 06 Nov 2018, 23:21 |
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Joined: 08/30/13 Posts: 409 Post Likes: +71 Company: Cruce Aircraft Services Location: KPGD
Aircraft: Learjet 55, C-310
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Turbos have to work harder, which means higher temps.
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Post subject: Re: Aerostars Posted: 07 Nov 2018, 10:45 |
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Joined: 11/06/10 Posts: 11903 Post Likes: +2857 Company: Looking Location: Outside Boston, or some hotel somewhere
Aircraft: None
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Username Protected wrote: Turbos have to work harder, which means higher temps. Interesting, I could never keep the TIT below 1600ish when LOP above 50% power. As a result, I recall running LOP around 45% most of the time. If I ever buy another Aerostar, I may have to see what I can do to run that power up higher and keep the TIT low enough... Tim
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