dmasys(at)cox.net
Guest
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 Posted: Sun Sep 16, 2007 1:47 pm Post subject: Performance data |
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| Quote: | Time: 10:06:44 AM PST US
Subject: RE: Bad battery/bad experience
From: "John W. Cox" <johnwcox(at)pacificnw.com>
Okay Dan, It's been weeks and weeks since OSH '07 and almost months.
Your flyoff hours were done in record time as I remember. Now we are
all interested In the service ceiling, cruise at 8,500 MSL, climb rate
and fuel consumption numbers. Just how is it going or was there a
problem? This is not like you.
John Cox
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I know this was directed at the other Dan who got his fly-off done in a week in order to get to OSH, but I did the same with my "PORV10" - Plain Ole RV10" with box stock new Lycoming IO-540 and Hartzell CS prop. So here are my numbers:
Service ceiling: only tested to 17.5 K and airplane was climbing at 400 fpm between 17K and 17.5K. Handles really well up there, indicating 120 Kts and doing 165 KTAS.
Cruise at 8500: 172 KTAS at 13.5 gph. Interesting thing is it will reliably deliver 168-170 KTAS at 13,000-14,000 ft at best power settings, which makes it a great platform for climbing up to the middle altitudes to get better winds.
Climb rate: exactly Vans numbers or slightly better at middle and gross weights. With the stock Lycoming using magnetos, both CHTs and oil temps stay in acceptable limits on protracted best rate climbs (after I removed the air dams from both sides of the front cylinders).
This is one really fine airplane!
-Dan Masys
N104LD - 42 SNEW
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