REFLECTOR: Speed and Efficiency

[Michael Watson]

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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>>
>>  _______________________________________________
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