REFLECTOR: Speed and Efficiency

Laurence Coen lwcoen at hotmail.com
Tue May 6 19:47:12 CDT 2014


Yes they do come in more than one flavor but I think that the ones on Velocities are all 6A350 220 HP.  Some may be US built but mine is a PZL built in Poland.

Larry Coen
N136LC


From: steve korney 
Sent: Tuesday, May 06, 2014 12:11 PM
To: Reflector Reflector 
Subject: Re: REFLECTOR: Speed and Efficiency


I don't know much about Franklin engines... But, I do know that they come in an assortment of sizes and horse power ranges... Maybe you guys could be more specific with Franklin's....



Steve 



--------------------------------------------------------------------------------
From: mikewatsspg at gmail.com
Date: Tue, 6 May 2014 12:48:57 -0400
To: reflector at tvbf.org
Subject: Re: REFLECTOR: Speed and Efficiency


I'm getting almost the same as Larry. 4 KIAS slower at 8000 ft which may be due

to VG's on canard and wings.




SE/RG Franklin/IVO

N104MW




On Tue, May 6, 2014 at 12:26 PM, Laurence Coen <lwcoen at hotmail.com> wrote:

  Bill,

  I got 180 KTAS in my SE/RG at a DA of 8000 ft, 2700 RPM WOT 12.2 GPH, solo and half fuel (level flight).  I don't fly that way when I'm going somewhere.  Near gross at 10,000 ft DA and 2600 RPM fuel flow drops to 9.8 GPH and KTAS to 174.

  Larry Coen
  N136LC Franklin/IVO

  --------------------------------------------------
  From: "Stockman, Bill" <bill.stockman at daytonaero.com>
  Sent: Monday, May 05, 2014 7:09 PM
  To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
  Subject: Re: REFLECTOR: Speed and Efficiency


    Unless that SE-RG is pointing straight down, I have my doubts about 180 kts.
    ________________________________________
    From: reflector-bounces at tvbf.org [reflector-bounces at tvbf.org] On Behalf Of Reiff Lorenz [Reiff at lorenz.com]
    Sent: Monday, May 05, 2014 6:24 PM
    To: reflector at tvbf.org
    Subject: REFLECTOR: Speed and Efficiency

    Recently, some performance stats were posted to the VOBA forum. I want to get everyone's input, so I'm re-posting it here.



    Owners, please reply with details of your plane and what numbers you use for flight planning . . .



    •         What model and engine are you flying? XL/SE? Fixed or RG? Engine?

    •         What is your efficiency cruise KTAS, GPH, and altitude?

    •         What is your speed cruise KTAS, GPH, and altitude?





    (If you already posted your stats in the VOBA forum, you don't need to send them again. I have not finished compiling the results, so your numbers may not be listed below.)



    Reiff





    =============================



    Here are the performance stats that John and Scott reported:



    Aircraft


    Engine


    KTAS


    GPH


    Alt


    SE-RG


    Lycoming IO-360


    180


    10


    Twin


    Lycoming IO-320


    170


    12


    Twin


    Lycoming IO-320


    180


    14


    Twin


    Lycoming IO-360


    215


    20


    Twin


    Lycoming IO-360


    195


    16


    TXL-RG


    Continental TSIO-550-c


    250


    17.5


    FL240


    XL-RG


    Continental IO-550


    205


    13.5


    XL-RG


    Lycoming IO-540 (300)


    200


    14.5


    XL-RG


    Lycoming IO-540 (260)


    185


    13


    XL-RG


    Lycoming IO-580 (315)


    202


    16




    Are others in the community seeing similar performance



    This isn’t a speed contest, it’s a reality check. Post your typical flight numbers and I’ll compile them into something we all can use.





    Reiff Lorenz, Dayton, Ohio

    Velocity XL-RG, 56% complete

    Currently working on: Fitting glare shield, panel, and frame






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