Sender: <marv@lancaironline.net>
To: lml@lancaironline.net
Date: Sun, 16 Apr 2006 11:00:24 -0400
Message-ID: <redirect-1069987@logan.com>
From: "Tom Gourley" <tom.gourley@verizon.net>
Subject: Re: [LML] Settle a debate?
Reply-to: "Tom Gourley" <tom.gourley@verizon.net>
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Van's website says they achieved 201mph at 8000' and 75% power, and while 
flying at 2200 lbs. That's 500 lbs below gross.

Tom Gourley

----- Original Message ----- 
From: "Alan K. Adamson" <aadamson@highrf.com>
To: "Lancair Mailing List" <lml@lancaironline.net>
Sent: Monday, April 10, 2006 7:13 PM
Subject: [LML] Settle a debate?


> Ok, you guys with ES's with NA IO-550's (not the turbo guys).  At 75% 
> power,
> what are your cruise numbers?  It seems there are some that think the 
> RV-10
> is only slightly slower than the ES.  Perhaps this is true, but would be
> curious of the numbers....
>
> Here are the current claims.....(quoted from another forum and not by 
> me...
> I figured I'd check here first).
>
> As far as the Lancair $61,000 more and 310 HP engine you to can go 12 mph
> faster:
>
> **The big difference is about the $41,000 kit price plus $20k engine.
> ....................................RV-10........Lancair ES
> Horse Power.....................260 HP............310 HP
> Cruise [75% @ 8000 ft]......201 mph..........225 mph
> Stall Speed........................57 mph............65 mph
> Takeoff Distance.................360 ft............600 ft
> Landing Distance.................525 ft............800 ft
> Rate of Climb...................1,950 fpm.......2,000 fpm
> Ceiling (est.)..................24,000 ft.........18,000 ft
> Empty Weight..................1,520 lbs.........1,900 lbs
> Gross Weight...................2,700 lbs.........3,200 lbs
> Max useful......................1,180 lbs..........1,300 lbs
> Fuel...................................60 Gal.............95 Gal
> KIT COST.............$34,910/($44,860 QB)....$75,500
>
> If the RV-10 had a 310 HP engine it would cruise approx 6% faster:
> 201 mph x (310/260)^(.33) = 213 mph,
> so the Lancair claimed cruise is 12 mph faster.
>
>
> (end of quote).
>
> I suspect, but wanted to confirm, that the ES's are a little faster than
> published numbers?
>
> Alan
>
>
>
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