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Baron motor replacement

Discussion in 'Aviation Chat' started by 2000YELLOW360, Nov 26, 2015.

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  1. wizzard

    wizzard Karting

    Nov 9, 2014
    93
    #26 wizzard, Dec 12, 2015
    I have quite a bit of time in an IO 520 Baron that has had this treatment. What started out as a 285HP engine we estimated a boost to 300-310HP. The airplane performed noticeably better-better acceleration, vastly improved climb, and slightly faster cruise, all for about 1/2 gal higher fuel flow per engine.
     
  2. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    Art
    #27 2000YELLOW360, Dec 14, 2015
    The motors I am replacing were similar. Hopefully these 550s will be even more. Friday!!!

    Art
     
  3. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    #28 2000YELLOW360, Dec 25, 2015
    Done. Picking it up tomorrow.

    Will post pics.

    Art
     
  4. LouB747

    LouB747 Formula 3

    Apr 8, 2009
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    #29 LouB747, Dec 25, 2015
    Awesome. What a great XMas present!
     
  5. vincent355

    vincent355 F1 Veteran
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    #30 vincent355, Dec 25, 2015
    Art, always going faster! Happy holidays!
     
  6. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    #31 2000YELLOW360, Dec 27, 2015
    Last edited by a moderator: Sep 7, 2017
  7. Tcar

    Tcar F1 Rookie

    Jan 2, 2010
    4,739
    Denver, Albuquerque
    #32 Tcar, Dec 27, 2015
    Self-presenting on Christmas... good... always get what you want. :)
     
  8. LouB747

    LouB747 Formula 3

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    #33 LouB747, Dec 27, 2015
    I like the digital RPM / MAP displays.
     
  9. donv

    donv Two Time F1 World Champ
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    #34 donv, Dec 27, 2015
    I like those as well. Is 2500 RPM normal cruise? I vaguely thought it was lower, but then it's been 25 years since I've flown a Baron...

     
  10. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    #35 2000YELLOW360, Dec 27, 2015
    Last edited by a moderator: Sep 7, 2017
    I use 2400 normally, but this was break in. Not quite the 75% per book, but close. Initial climb at 200#s under gross was 2.1k, about 4-5 above book.
    Image Unavailable, Please Login
     
  11. wizzard

    wizzard Karting

    Nov 9, 2014
    93
    #36 wizzard, Dec 29, 2015
    I love the digital engine gauges!
    Years ago I flew a V-35 Bonanza for a communications company. It had started life as an IO520 with 285HP. After having flown it in that configuration for quite some time, the owners sent it to Colemill to install a 300 HP IO550 with a four blade Q tipped prop.
    WOW! Just like yours, at level cruise up to 8,000 feet the VSI was always just bumping the bottom of the yellow arc. Serious power management was required for that airplane. It also had an astonishing climb rate. (It "probably" could carry more weight also-a lot more weight-again careful management of the airplane required) Same could be said of the Baron I flew with the same treatment.
     
  12. bpu699

    bpu699 F1 World Champ
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    #37 bpu699, Dec 29, 2015
    Very cool Art...

    Bo
     
  13. rob lay

    rob lay Administrator
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    #38 rob lay, Dec 29, 2015
    congrats Art on engines. my 400 is still kind of for sale 210 KTAS, 16 GPH, 4 people golf clubs & go, G1000. :eek:
     
  14. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    #39 2000YELLOW360, Dec 30, 2015
    Neat. There is a turbo normalize kit. If I were to install that (another 50k) it would be a 250 kt plane. I hate oxygen though.

    Art
     
  15. rob lay

    rob lay Administrator
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    #40 rob lay, Dec 30, 2015
    I understand on OX, the nose cannula isn't great, but not that bad even 4 hour flights. a secret had a nurse show me was run the tubes over your ears and tighten under your chin. I love the 10-17k altitudes because hardly anyone flys there, you get direct everywhere.
     
  16. LouB747

    LouB747 Formula 3

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    #41 LouB747, Dec 30, 2015
    What airport do you keep your Baron at?
     
  17. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    #42 2000YELLOW360, Dec 31, 2015
    Ca35. San Rafael

    Art
     
  18. 2000YELLOW360

    2000YELLOW360 F1 World Champ

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    #43 2000YELLOW360, Jan 16, 2016
    Brought plane back for prop balancing and some adjustment. 6500 feet, 2500 rpm 202 kts. Climb 2.53 best rate (full fuel) cruise climb 1.3k. Plane is about 10-12 kts faster, but 40 gallons an hour. With 3.80 fuel so what....

    Art
     
  19. sigar

    sigar F1 Rookie
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    Apr 30, 2005
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    #44 sigar, Jan 16, 2016
    Nice. That's one of the fastest Baron's I've heard of.
     
  20. wizzard

    wizzard Karting

    Nov 9, 2014
    93
    #45 wizzard, Jan 17, 2016
    I like those numbers!
     
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