X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123] verified) by logan.com (CommuniGate Pro SMTP 5.3.4) with ESMTP id 4181109 for flyrotary@lancaironline.net; Sat, 27 Mar 2010 20:41:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=71.74.56.123; envelope-from=clouduster@austin.rr.com Return-Path: X-Authority-Analysis: v=1.0 c=1 a=WtPoJuP5ZD2xjR9IdosA:9 a=hQgsClLQhkDl1PXQmbIA:7 a=XcbWHf2i_1LEUxFNynYT4Hrva3IA:4 a=CjuIK1q_8ugA:10 a=3Yi5pIdFNsh81nqn1WUA:9 a=dAkXtShzpo2DtoLLkhoA:7 a=9pIQ2Dvbxwim3URZXe0M8RyxSvIA:4 X-Cloudmark-Score: 0 X-Originating-IP: 66.25.157.35 Received: from [66.25.157.35] ([66.25.157.35:2526] helo=[10.0.0.99]) by hrndva-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 48/8E-22289-D85AEAB4; Sun, 28 Mar 2010 00:40:45 +0000 Message-ID: <4BAEA58B.3070903@austin.rr.com> Date: Sat, 27 Mar 2010 19:40:43 -0500 From: Dennis Haverlah User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: More Renesis Flight Data Content-Type: multipart/alternative; boundary="------------090703070800060803000900" This is a multi-part message in MIME format. --------------090703070800060803000900 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Friday I flew to Llano (70 miles) to pick up some barbecue for the wife and myself. Take off was at 900' field elevation and I climbed at full throttle to 7,500'. I used 7500' as the test altitude because Bill Eslick's RV-6 flight test data sent to the list on 3/10/10 had graphs for 7500'. My aircraft is an RV-7A, Renesis 4 port, RD1-C redrive 2.85:1, Catto 76X88 composit prop, EC-2, EM-2, very quiet exhaust, DEI intake designed for 6200 rpm, full 42 gal. auto fuel, 200 # payload (pilot with some A/C tools, headsets etc). Field elevation 900' Climbed @ 110 kts. indicated air speed - Full throttle climb to 7500" OAT 70 deg. at takeoff Initial climb rate was 1800 - 1900 fpm ( I get ~ 2400 fpm with only 21 gallons in the tanks) @ 4500" the climb rate was ~ 1400 fpm Water 188 F, Oil 200 F @ 6000' the climb rate was ~ 1250 fpm Water 188 F, Oil 203 F , OAT 60 F @ 7500' climb rate was ~ 1000 fpm Water 189 F, Oil 204 F I leveled off for about 5 minutes than went to full throttle again. Full throttle for about 3 ot 4 minutes @ 7500' MP 23.3 in. Fuel flow - 12.1 gph TAS 193 mph - EM-2 data Engine: 6660 - 6680 rpm Water 184 F, Oil 205 F OAT 65 F When I fly at 7500' I normally use 8 to 8.3 gph TAS 157 mph Water 160 F, Oil 180 F The barbecue from Cooper's in Llano was great! Dennis Haverlah --------------090703070800060803000900 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Friday I flew to Llano (70 miles) to pick up some barbecue for the wife and myself.  Take off was at 900' field elevation and I climbed at full throttle to 7,500'.  I used 7500' as the test altitude because Bill Eslick's RV-6 flight test data sent to the list on 3/10/10 had graphs for 7500'.

My aircraft is an RV-7A, Renesis 4 port, RD1-C redrive 2.85:1, Catto 76X88 composit prop, EC-2, EM-2, very quiet exhaust, DEI intake designed for 6200 rpm, full 42 gal. auto fuel, 200 # payload (pilot with some A/C tools, headsets etc).

Field elevation  900'
Climbed @  110 kts. indicated air speed  - Full throttle climb to 7500"
OAT 70 deg. at takeoff
Initial climb rate was 1800 - 1900 fpm
( I get ~ 2400 fpm with only 21 gallons in the tanks)

@ 4500" the climb rate was ~ 1400 fpm
Water 188 F, Oil 200 F

@ 6000' the climb rate was ~ 1250 fpm
Water 188 F, Oil 203 F , OAT 60 F

@ 7500' climb rate was ~ 1000 fpm
Water 189 F, Oil 204 F

I leveled off for about 5 minutes than went to full throttle again.

Full throttle for about 3 ot 4 minutes @ 7500'
MP 23.3 in.
Fuel flow - 12.1 gph
TAS 193 mph  - EM-2 data
Engine: 6660 - 6680 rpm
Water 184 F, Oil 205 F  OAT 65 F

When I fly at 7500' I normally use 8 to  8.3 gph
TAS 157 mph
Water 160 F, Oil 180 F

The barbecue from Cooper's in Llano was great!

Dennis Haverlah
--------------090703070800060803000900--