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
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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
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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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