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sandbag23(at)msn.com
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 Posted: Sat Feb 26, 2011 2:53 pm Post subject: Jaguar performance |
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Several years ago I figured that Gary's new cowl, which I had already been interested in for years, could push the performance of my Tiger over the hump to reliably make the commute from the Florida panhandle to southern Maryland in one leg. The numbers after installation showed exactly that, but today I finally flew the flight. KDTS to 2W6 direct for all but a short vector around the restricted areas at Eglin AFB, 685.6nm by the GPS, at 11,500 in 4.3. Of course that was wind-driven, but the calculations show that throttled back toward max range I'd make the no-wind trip with VFR reserves.
With the Jaguar cowl I consistently see 5 KTAS over the book values and just before descent was showing 142KTAS at 9.7gph at 11,500.
-Brian
N119ST (at) 2W6
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teamgrumman(at)yahoo.com
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| Posted: Sat Feb 26, 2011 8:08 pm Post subject: Jaguar performance |
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Brian,
Thanks for the info. That is pretty consistent with the 5 to 6 knots that Jeff sees.
During the early flight tests on your plane, circa 2002, I did two back to back runs at 2725 rpm and averaged 148 knots TAS both times. Typically, the speeds were in the 145 knot range.
When you get a chance, set up for 130 to 132 knots TAS and then lean for best lean at around 5,000 feet. I'd be curious about your fuel burn. I was able to get down to 7.8 to 8.2 gph.
Gary
From: brian sandberg <sandbag23(at)msn.com>
To: Team Grumman <teamgrumman-list(at)matronics.com>
Sent: Sat, February 26, 2011 2:50:11 PM
Subject: Jaguar performance
Several years ago I figured that Gary's new cowl, which I had already been interested in for years, could push the performance of my Tiger over the hump to reliably make the commute from the Florida panhandle to southern Maryland in one leg. The numbers after installation showed exactly that, but today I finally flew the flight. KDTS to 2W6 direct for all but a short vector around the restricted areas at Eglin AFB, 685.6nm by the GPS, at 11,500 in 4.3. Of course that was wind-driven, but the calculations show that throttled back toward max range I'd make the no-wind trip with VFR reserves.
With the Jaguar cowl I consistently see 5 KTAS over the book values and just before descent was showing 142KTAS at 9.7gph at 11,500.
-Brian
N119ST (at) 2W6
[quote][b]
| | - The Matronics TeamGrumman-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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