X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5593884 for flyrotary@lancaironline.net; Mon, 11 Jun 2012 20:19:27 -0400 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL05.FCDATA.PRIVATE (unverified [172.16.5.24]) by VIRCOM1.fcdata.private (Vircom SMTPRS 5.1.1024.13396) with ESMTP id for ; Mon, 11 Jun 2012 19:18:01 -0500 X-Modus-BlackList: 172.16.5.24=OK;cbarber@texasattorney.net=OK X-Modus-RBL: 172.16.5.24=Excluded X-Modus-Trusted: 172.16.5.24=NO X-Modus-Audit: FALSE;0;0;0 Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%13]) with mapi id 14.01.0355.002; Mon, 11 Jun 2012 19:17:37 -0500 From: Chris Barber To: Rotary motors in aircraft CC: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: First flight - Velocity N17010 Thread-Topic: [FlyRotary] Re: First flight - Velocity N17010 Thread-Index: AQHNSClyR0jHW5MQ3025uKjdoPpu45b10Yxc Date: Tue, 12 Jun 2012 00:18:41 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_C2211A36E5BF4DCBB4E32923230432B8texasattorneynet_" MIME-Version: 1.0 --_000_C2211A36E5BF4DCBB4E32923230432B8texasattorneynet_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks guys, I get that. A lot was going on and my main focus was flying an= utterly unproved plane and engine. Yes. The IVO was at full flat/fine as o= ne would do on a first flight and climbing. I am pleased I was able to get = the pictures so we can all Monday morning quarterback together. Please, kee= p the input coming. It all helps. Chris Sent from my iPhone 4 On Jun 11, 2012, at 6:25 PM, "Dave" > wrote: Tracy... Chris is flying from KEFD. Elevation is MAYBE 40 feet.. if that.. MSL. my speculation is... based on his comment about rpm improving over static o= nce he got moving, is that he was in a full fine pitch setting on his IVO. Chris.. what we are saying is.. you were revving it pretty high in first ge= ar.. upshift/pitch the prop once you are moving and drop that rpm.. get int= o high gear. On 6/11/2012 8:25 AM, Tracy wrote: FWIW, my observations on your data Chris. I forget what the field elevation is where you test but that engine RPM at = 127 kts and 24.7 MAP suggests a few things. First, you probably should ha= ve more pitch in the prop, That rpm is high for that flight condition. If = you were on downwind with the intention of landing, you had a lot more MP t= han needed. (24" Hg is standard setting for 75% cruise power). Your fiel= d elevation is either very high or you didn't have a throttle setting high = enough to generate any boost so the waste gate spring wasn't affecting anyt= hing. BTW, what was the throttle setting? What MAP do you read at WOT? From the few flights I've done with the data logger on, it looks like it ta= kes at least 3 minutes for engine temperatures to stabilize after a large c= hange in flight conditions or power settings on my installation. I doubt t= hings would even start to reach equilibrium on a single circuit of the fiel= d after takeoff. BTW, send me your address for "The Button" . Same for any other post first= flight rotary builders who missed their buttons. I have Bill Schertz & Jo= hn Downing's so far. Tracy On Sun, Jun 10, 2012 at 2:26 PM, Chris Barber > wrote: I reviewed my very short and shaky video more. On Downwind, it shows a GPS= speed of 127 kts. The rotary is turning at 6870 RPM (up about 600 RPM fro= m static) with a MAP of 24.7 (1.5 lb spring in the waste gate). Coolant Te= mp was 187 degrees and oil temp was 224. Oil pressure and Coolant pressure= numbers could not be read but the "gauges" on the Dynon were in the green. A few minutes later I was able to get another picture of my engine data tak= en as I was rolling off the active. These reading are about 30 seconds aft= er the wheels touch down. I know it is 30 seconds since I can hear the whe= els touching the pavement since my I-phone continued to record even though = it was face down in my passenger seat. Engine RPM was 2489 and the coolant= was down to 175. More interesting was that the oil temp had already dropp= ed to 204 (20 degree drop). Yeah, still higher than I like but a pretty bi= g drop a matter of a few minutes. I do think oil takes longer to read delta= T's than coolant...but I could be damned wrong on that. Perhaps I just noticed the oil enough after a full power climb before it ha= d a chance to adapt and cool a bit?? Chris ________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of CozyGirrrl@aol.com [CozyGirrrl@aol.com] Sent: Saturday, June 09, 2012 11:52 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: First flight - Velocity N17010 Congratulations Chris! I knew you'd do it this morning. Please consider you= rself hugged by both of us. What wastegate are you using with that spring? Chrissi & Randi www.CozyGirrrl.com CG Products, Custom Aircraft Hardware Chairwomen, Sun-N-Fun Engine Workshop In a message dated 6/9/2012 1:17:14 P.M. Central Daylight Time, cbarber@tex= asattorney.net writes: Didn't notice MAP. Since I am concerned about detonation I have the weakest= spring installed. It is 1.5 lbs. Sent from my iPhone 4 On Jun 9, 2012, at 12:42 PM, "Kelly Troyer" > wrote: YAA-HOO Chris !!.................Congrats and keep the reports coming......= ......Be interested in if your oil temp was just hi power takeoff temp that would come down with reduced power and more airs= peed............Did you notice what MAP was (amount of boost) ??......................<:) Kelly Troyer On Sat, Jun 9, 2012 at 12:24 PM, Bobby J. Hughes > wrote: Congrats Chris. Be safe and keep the reports coming. Does your Dynon have = ant data logging capability? Bobby Sent from my iPad On Jun 9, 2012, at 11:53 AM, "Chris Barber" > wrote: June 9, 2002 - A trailer pulled up in front of a simple but comfortable hom= e in Houston. Lots of trails, tribulations blood, time, money, recreation, education, fun= , friendships, anger, frustration, problem solving, sweat, pondering etc...= .repeat and repeat again and again. Fast forward (it did go fast) June 9, 2012 - Ellington Field - A lone, very nervous man arrives at the ai= rport shortly before 0900 hrs. Pushes onto the ramp the contraption compose= d of fiberglass, metal et al and the ingredients listed above. He sits down= and writes a simple holographic (hand written) will and short note with in= formation to call "Mom" and work. Calls tower to relay intent via the phone= . Preflights the contraption. Gets in, goes though basic Checklist. Cranks up= the engine, which fires right up at about 0920 hrs. Taxi to Juliet. Calls = tower to verify intent and to taxi to active, 35L. Taxis to Taxiway Echo. C= hecks temps. Pushing 195 with OAT reading 95 degrees (geesh it is only abou= t 0930 hrs). Cleared to take active and hold. Taxied out. Lined up castering nose wheel = down center stripe. Cleared to take off. Added power and engine smoothly ra= n up. Airspeed coming in. 30 kts...50 kts ....60 kts, approximate rotation = speed. Lots of runway (9000 ft).....hold it....70 kts....72 kts... Slight p= ull on the yoke....AIRBORNE!!! Leaped into ground effect. Screw this, pulle= d back on yoke and I am climbing. Jiggled the yoke a bit to verify control = authority. Climbed to about 400 feet and turned right pattern to crosswind. The Dynon = altitude and airspeed seem to be working. That's reassuring. Pattern altitu= de is only 600 feet and I was there already as I turned to downwind. Levele= d off and noticed the clouds were lower than reported and appeared on the g= round. Also, noticed coolant temps had dropped to 190....but oil temps were= flashing at me and had reached 225 (synthetic Royal Purple). Damn. Ok. Fly= the airplane, the oil is not at not a critical level. , but let's just fin= ish the pattern and land. I grabbed my phone while on downwind and attempte= d to record some data but while I can hear the engine the video is awful..= ..uh, in my defense, I was a bit distracted and way more concerned with fly= ing. I called the tower and informed them I was coming in. I think they wer= e looking out for me since as I turned to base I noticed the fire departmen= t staged just off the runways threshold I noted I was a bit far out on down wind so I stared easing over to turn ba= se. Wow. I really overshot it as I blew by the runway and had to use full r= ight rudder to get back to the runway. I wish I had had more rudder. In hin= dsight I think I was not using much aileron as I was cognoscente that I had= no idea of stall characteristics so I did not yet wish too strep a turn. I= was able to get over the runway and dump some altitude as I got over the n= umbers and pulled power. Crap, I am fast. I am lined up and right on the nu= mbers but at 95 kts. I come and touchdown and bounced. Pulled power to idle= s and settled down easily but fast at 90 and rolled out and exited at Delta= . The tower was clearing me back to the city hangars as I was exiting the a= ctive. I taxi back and noticed the oil temps had decreased but I don't reca= ll how much, just noticed they were lower. I got back to my hangar and popped the door and shut her down. The engine w= ent silent without any hissing or gushing. I called my mom. I am mowing informing the world. I did a walk around and did not see anything missing. I am about to pull th= e cowl and check things out. I did notice I did not develop a slight hand shaking untill after I landed = and exited the aircraft. ;-) Hey, how about that, it really is an aircraft = now. Ten years to the day following delivery. Thank you for your support. Christopher Barber, JD Houston, Ellington Field (EFD) Velocity N17010 Turbo Rotary 13b RWS Re-drive and engine computers Dynon Skyview Mistral intake Sent from my iPhone 4 --_000_C2211A36E5BF4DCBB4E32923230432B8texasattorneynet_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Thanks guys, I get that. A lot was going on and my main focus was flyi= ng an utterly unproved plane and engine. Yes. The IVO was at full flat/fine= as one would do on a first flight and climbing. I am pleased I was able to= get the pictures so we can all Monday morning quarterback together. Please, keep the input coming. It all= helps. 

Chris

Sent from my iPhone 4

On Jun 11, 2012, at 6:25 PM, "Dave" <david.staten@gmail.com> wrote:

Tracy...

Chris is flying from KEFD. Elevation is MAYBE 40 feet.. if that.. MSL.

my speculation is... based on his comment about rpm improving over static o= nce he got moving, is that he was in a full fine pitch setting on his IVO.

Chris.. what we are saying is.. you were revving it pretty high in first ge= ar.. upshift/pitch the prop once you are moving and drop that rpm.. get int= o high gear.

On 6/11/2012 8:25 AM, Tracy wrote:
FWIW, my obse= rvations on your data Chris.

I forget what the field elevation is where you test but that engine RPM at = 127 kts and 24.7 MAP suggests a few things.   First, you probably= should have more pitch in the prop, That rpm is high for that flight condi= tion.  If you were on downwind with the intention of landing, you had a lot more MP than needed.  (24" Hg is stand= ard setting for 75% cruise power).   Your field elevation is eith= er very high or you didn't have a throttle setting high enough to generate = any boost so the waste gate spring wasn't affecting anything.   BTW, what was the throttle setting?  What MAP do you= read at WOT? 

From the few flights I've done with the data logger on, it looks like it ta= kes at least 3 minutes for engine temperatures to stabilize after a large c= hange in flight conditions or power settings on my installation.  I do= ubt things would even start to reach equilibrium on a single circuit of the field after takeoff.

BTW, send me your address for "The Button" .  Same for any o= ther post first flight rotary builders who missed their buttons.  I ha= ve Bill Schertz & John Downing's so far.

Tracy

On Sun, Jun 10, 2012 at 2:26 PM, Chris Barber <cbarber@texasattorney.net> wrote:

I reviewed my very short and shaky video more.  On Downwind, it sho= ws a GPS speed of 127 kts.  The rotary is turning at 6870 RPM (up abou= t 600 RPM from static) with a MAP of 24.7 (1.5 lb spring in the w= aste gate).  Coolant Temp was 187 degrees and oil temp was 224.  Oil pressure and Coolant pressure numbers could not be read= but the "gauges" on the Dynon were in the green.

 

A few minutes later I was able to get another picture of my en= gine data taken as I was rolling off the active.  These reading are ab= out 30 seconds after the wheels touch down.  I know it is 30 seconds s= ince I can hear the wheels touching the pavement since my I-phone continued to record even though it was face down in my&nbs= p;passenger seat.  Engine RPM was 2489 and the coolant was down to 175= .  More interesting was that the oil temp had already dropped to 204 (= 20 degree drop).  Yeah, still higher than I like but a pretty big drop a matter of a few minutes. I do think oil takes longer t= o read delta T's than coolant...but I could be damned wrong on that.

 

Perhaps I just noticed the oil enough after a full power climb before it= had a chance to adapt and cool a bit??

 
Chris
Fro= m: Rotary motors in aircraft [flyrotary@lancaironline.ne= t] on behalf of CozyGirrrl@aol.com [CozyGirrrl@aol.com]
Sent: Saturday, June 09, 2012 11:52 PM

To: Rotary motors in aircraft
Subject: [FlyRotary] Re: First flight - Velocity N17010

Congratulations Chris! I knew you'd do it this morning. Please conside= r yourself hugged by both of us.
What wastegate are you using with that spring?
 
 
Chrissi & Randi
www.CozyGirrrl.com
CG Products, Custom Aircraft Hardware
Chairwomen, Sun-N-Fun Engine Workshop
 
In a message dated 6/9/2012 1:17:14 P.M. Central Daylight Time, cbarber@texasattorney.net writes:
Didn't notice MAP. Since I am concerned about detonation I have the we= akest spring installed. It is 1.5 lbs. 


Sent from my iPhone 4

On Jun 9, 2012, at 12:42 PM, "Kelly Troyer" <keltro@gmail.com> wrote:

YAA-HOO Chris !!.................Congrats and keep the reports coming.= ...........Be interested in if your oil temp was just
hi power takeoff temp that would come down with reduced power and more= airspeed............Did you notice what
MAP was (amount of boost) ??......................<:)
 
Kelly Troyer

On Sat, Jun 9, 2012 at 12:24 PM, Bobby J. Hughes= <bhughes@qnsi.net> w= rote:
Congrats Chris.  Be safe and keep the reports coming. Does your D= ynon have ant data logging capability?

Bobby

Sent from my iPad

On Jun 9, 2012, at 11:53 AM, "Chris Barber" <cbarber@texasattorney.net> wr= ote:

June 9, 2002 - A trailer pulled up in front of a si= mple but comfortable home in Houston. 

Lots of trails, tribulations blood, time, money, recreation, educatio= n, fun, friendships, anger, frustration, problem solving, sweat, pondering = etc....repeat and repeat again and again. 

Fast forward (it did go fast)

June 9, 2012 - Ellington Field -= A lone, very nervous man arrives at the airport shortly before 0900 hrs. P= ushes onto the ramp the contraption composed of fiberglass, metal et al and= the ingredients listed above. He sits down and writes a simple holographic (hand written) will and short note wi= th information to call "Mom" and work. Calls tower to relay inten= t via the phone.

Preflights the contraption. Gets in, goes though basic Checklist. Cra= nks up the engine, which fires right up at about 0920 hrs. Taxi to Juliet. = Calls tower to verify intent and to taxi to active, 35L. Taxis to Taxiway E= cho. Checks temps. Pushing 195 with OAT reading 95 degrees (geesh it is only about 0930 hrs). 

Cleared to take active and hold. Taxied out. Lined up castering nose = wheel down center stripe. Cleared to take off. Added power and engine smoot= hly ran up. Airspeed coming in. 30 kts...50 kts ....60 kts, approximate rot= ation speed. Lots of runway (9000 ft).....hold it....70 kts....72 kts... Slight pull on the yoke....AIRBORNE= !!! Leaped into ground effect. Screw this, pulled back on yoke and I am cli= mbing. Jiggled the yoke a bit to verify control authority= . 

Climbed to about 400 feet and turned right pattern to crosswind. The D= ynon altitude and airspeed seem to be working. That's reassuring. Pattern a= ltitude is only 600 feet and I was there already as I turned to downwind. L= eveled off and noticed the clouds were lower than reported and appeared on the ground. Also, noticed coolant= temps had dropped to 190....but oil temps were flashing at me and had reac= hed 225 (synthetic Royal Purple). Damn. Ok. Fly the airplane, the oil is no= t at not a critical level. , but let's just finish the pattern and land. I grabbed my phone while on downwi= nd and attempted to record some data but while I can hear the engine the vi= deo is  awful....uh, in my defense, I was a bit distracted and way mor= e concerned with flying. I called the tower and informed them I was coming in. I think they were looking out for= me since as I turned to base I noticed the fire department staged just off= the runways threshold

I noted I was a bit far out on down wind so I stared easing over to tu= rn base. Wow. I really overshot it as I blew by the runway and had to use f= ull right rudder to get back to the runway. I wish I had had more rudder. I= n hindsight I think I was not using much aileron as I was cognoscente that I had no idea of stall characterist= ics so I did not yet wish too strep a turn. I was able to get over the runw= ay and dump some altitude as I got over the numbers and pulled power. Crap,= I am fast. I am lined up and right on the numbers but at 95 kts. I come and touchdown and bounced. Pulled pow= er to idles and settled down easily but fast at 90 and rolled out and exite= d at Delta. The tower was clearing me back to the city hangars as I was exi= ting the active. I taxi back and noticed the oil temps had decreased but I don't recall how much, just noti= ced they were lower.

I got back to my hangar and popped the door and shut her down. The eng= ine went silent without any hissing or gushing. 

I called my mom. 

I am mowing informing the world. 

I did a walk around and did not see anything missing. I am about to pu= ll the cowl and check things out. 

I did notice I did not develop a slight hand shaking untill after I la= nded and exited the aircraft. ;-) Hey, how about that, it really= is an aircraft now. Ten years to the day following delivery. <= /div>

Thank you for your support. 

Christopher Barber, JD
Houston, Ellington Field (EFD)
Velocity N17010
Turbo Rotary 13b
RWS Re-drive and engine computers
Dynon Skyview
Mistral intake


Sent from my iPhone 4






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