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SYI Fly-In

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jojatek86(at)yahoo.com
Guest

Posted: Mon Sep 24, 2007 8:32 am Post subject: SYI Fly-In

Robin and I had a great time visiting with everyone. I wish we could have stayed longer than just Saturday afternoon, but it was well worth the trip. It was good to hear Pete tell the history of the Lightning and then hear from Nick about all the new goodies on the way. My flight with Buz was a blast! I'll be working overtime to save up the money for a kit.

  

 If you guys want to fly down to LZU for a pancake breakfast, EAA 690 puts on a nice spread first Saturday of each month. There's usually about 50 people at the breakfast and we usually have a speaker. Check www.eaa690.org for details.

  

 Thanks to all the folks at SYI for putting on such a nice event.

  

 Pat Phillips

 Lawrenceville, GA

  

       Luggage? GPS? Comic books? 

 Check out fitting  gifts for grads at Yahoo! Search.  [quote][b]

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jojatek86(at)yahoo.com
Guest

Posted: Mon Sep 24, 2007 7:11 pm Post subject: SYI Fly-In

I tried to send this from work earlier today. I don't think it went through.

Pat



----- Forwarded Message ----

From: Pat Phillips <jojatek86(at)yahoo.com>

To: Lightning List <lightning-list(at)matronics.com>

Sent: Monday, September 24, 2007 12:28:09 PM

Subject: SYI Fly-In



Robin and I had a great time visiting with everyone. I wish we could have stayed longer than just Saturday afternoon, but it was well worth the trip. It was good to hear Pete tell the history of the Lightning and then hear from Nick about all the new goodies on the way. My flight  with Buz was a blast! I'll be working overtime to save up the money for a kit.

  

 If you guys want to fly down to LZU for a pancake breakfast, EAA 690 puts on a nice spread first Saturday of each month. There's usually about 50 people at the breakfast and we usually have a speaker. Check www.eaa690.org for details.

  

 Thanks to all the folks at SYI for putting on such a nice event.

  

 Pat Phillips

 Lawrenceville, GA

  

       Luggage? GPS? Comic books? 

 Check out fitting  gifts for grads at Yahoo! Search.





       Building osting/?p=PASSPORTPLUS">all the tools to get online.  [quote][b]

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N1BZRich(at)AOL.COM
Guest

Posted: Tue Sep 25, 2007 5:14 pm Post subject: SYI Fly-In

I had a great flight back to Williamsburg,  Virginia, yesterday, once again staying lower than I normally fly N31BZ, a  modified Esqual with Lightning Stuff.  However, one odd occurrence was  having a headwind when on an easterly heading - very unusual.  My initial  cruising altitude of 5,500 had about 7 to 10 on the nose which changed to 12 to  15 on the nose when I climbed to 7,500 over the mountains.  Later that went  to 15 to 20 as I got further into NC and VA.  Dropping back down to 5.5 did  not help and gave the same headwind component.  

     Once again, my cross country technique is to set  the fuel flow I am looking for and accept the rpm and airspeed this gives  me.  In this case, at 5,500 when I set 6.0 gph it gave me an rpm of 2950 to  3000 (the altitude hold causes the rpm to vary as it "flys" the airplane to keep  the altitude constant) and the true airspeed was 155.9 mph.  Actual fuel  burn from start up to shut down (remember this would include start, taxi, run  up, and climb to altitude) averaged out to 5.9 gph for the entire  flight.  Actual inflight fuel burn would probably be closer to 5.5 to  5.6.  

     Now having made numerous cross country flights in  the 10 to 14 thousand foot area and several in the 4 to 8 thousand area, I  am about ready to say that you can expect to average about 160 mph (140 kts)  true when in the lower area and 170 mph (150 kts) true when in the higher  altitudes.  Fuel burn seems to be about the same in either altitude  band.  If you want to impress your non pilot friends, tell them that you  get about 28 mpg at 170 mph.  Their Nash Rambler won't get anywhere that at  half the speed.  

 Blue Skies,

 Buz



See what's new atblank">Make AOL Your Homepage.

  [quote][b]

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pequeajim

Joined: 03 Sep 2006
Posts: 708
Location: New Holland, PA

Posted: Tue Sep 25, 2007 5:40 pm Post subject: SYI Fly-In

Buz:  

   

Is 2950 a typical cruise RPM?  Is that running around 80%, and how does the 3300 like that RPM range?  

   

Jim!  

         

  

From: owner-lightning-list-server(at)matronics.com [mailto:owner-lightning-list-server(at)matronics.com] On Behalf Of N1BZRich(at)aol.com

 Sent: Tuesday, September 25, 2007 9:14 PM

 To: lightning-list(at)matronics.com

 Subject: Re: Fw: SYI Fly-In  

  

     

    I had a great flight back to Williamsburg,  Virginia, yesterday, once again staying lower than I normally fly N31BZ, a modified Esqual with Lightning Stuff.  However, one odd occurrence was having a headwind when on an easterly heading - very unusual.  My initial cruising altitude of 5,500 had about 7 to 10 on the nose which changed to 12 to 15 on the nose when I climbed to 7,500 over the mountains.  Later that went to 15 to 20 as I got further into NC and VA.  Dropping back down to 5.5 did not help and gave the same headwind component.    

    

    Once again, my cross country technique is to set the fuel flow I am looking for and accept the rpm and airspeed this gives me.  In this case, at 5,500 when I set 6.0 gph it gave me an rpm of 2950 to 3000 (the altitude hold causes the rpm to vary as it "flys" the airplane to keep the altitude constant) and the true airspeed was 155.9 mph.  Actual fuel burn from start up to shut down (remember this would include start, taxi, run up, and climb to altitude) averaged out to 5.9 gph for the entire flight.  Actual inflight fuel burn would probably be closer to 5.5 to 5.6.    

    

    Now having made numerous cross country flights in the 10 to 14 thousand foot area and several in the 4 to 8 thousand area, I am about ready to say that you can expect to average about 160 mph (140 kts) true when in the lower area and 170 mph (150 kts) true when in the higher altitudes.  Fuel burn seems to be about the same in either altitude band.  If you want to impress your non pilot friends, tell them that you get about 28 mpg at 170 mph.  Their Nash Rambler won't get anywhere that at half the speed.    

    

Blue Skies,  

    

Buz  

  



 

         

  

See what's new atblank">Make AOL Your Homepage.  

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       [quote][b]

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N1BZRich(at)aol.com
Guest

Posted: Wed Sep 26, 2007 5:38 am Post subject: SYI Fly-In

In a message dated 9/25/2007 9:42:13 P.M. Eastern Daylight Time,  pequeajim(at)gmail.com writes:

  	  Quote: 	
		     

Is 2950 a typical    cruise RPM?  Is that running around 80%, and how does the 3300 like that    RPM range? 	


 

 Jim,

     The short answer is yes, my engine seems perfectly  happy at 2950.   In fact, it seems happy running as high as  3150.   That is the highest I have run it for extended  periods.  So for my airplane, engine and propeller combination all seems to  be good at those rpms.  My engine currently has about 365 hours total  time in the past 21 months, and other than routine maintenance, it has been  trouble free.  

     The prop I am currently running is a Sensenich  64-ZK-55, and it is not the right prop as it still allows my engine to turn up  quite a bit over 3300 rpm at full throttle.  Nick is also  experimenting with different props and we look forward to trying a 62-FJ-58 on  the prototype and N31BZ as soon at they arrive.  The prototype is currently  running a  62-FJ-56, and this blade profile seems better for the entire rpm  range.  It will still turn over 3300 at full throttle, but the big  difference we see with this blade profile is that the rpm is up on takeoff roll  and climb out which results in shorter takeoff rolls and higher rates of  climb.  The extra pitch should allow a higher top end or the same speed at  a lower rpm and thus less fuel flow.  It remains to be seen if we will need  to once again adjust the carb jets to optimize performance with the new  prop.  Along this line, Don in Australia has done some great experimenting  putting a Revmaster throttle body injector on the 3300.  In the long run,  that may turn out to be the way to go, as it gives additional rpm and with a  manual mixture control is more efficient at the higher altitudes.  

 Blue Skies,

 Buz



See what's new atblank">Make AOL Your Homepage.

  [quote][b]

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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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