REFLECTOR: Speed and Efficiency

Wed May 7 10:39:57 CDT 2014

These are the numbers from for my Std RG  IO-360 200Hp
Speed is a 2 way average from the gps to take wind out of the equation. Lots of trips confirm these numbers
Full fuel, near gross weight
10,000 ft  
2650/20.8
50 deg LOP
195 MPH
7.9 GPH
Catto prop

 Brent
 N61VB
 New Orleans La

--------------------------------------------
On Tue, 5/6/14, Laurence Coen <lwcoen at hotmail.com> wrote:

 Subject: Re: REFLECTOR: Speed and Efficiency
 To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
 Date: Tuesday, May 6, 2014, 7:47 PM

 #yiv6551993762
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 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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