REFLECTOR: Continental info

[TimRhod at aol.com]

I have an XLRG with a modified  IO550N 370 hp 10to1compression  pistons, 
duel electronic ign, .cruise  is 215 kts true at 10-12000ft   burns 13gal per 
hour in cruise  20 gal /hr on take off and climb.  .  Fuel tanks modified to 
hold 80 gal.   If you want more info feel free  to email me  Tim 
Rhodenbaugh N370TR
 
 
In a message dated 5/18/2011 5:11:14 P.M. Eastern Daylight Time,  
scottb33333 at gmail.com writes:

Hello Reiff,
The 310-hp TCM IO-550N should deliver 200kts  while burning about 15gph.  
If you were to configure the fuel tanks to  hold 80-gallons, this would 
provide enough fuel for taxi, runup, climb and a  little over 5-hours of 
endurance at 75% power.
If you purchase a rebuilt engine, install  (1) electronic ignition for a 
few extra horsepower.  Plan on a  constant speed propeller - either from MT or 
Aero Composites.
You are going to love this engine in your  XL.
Best,
Scott B.

----- Original Message ----- 
From:  _Reiff  Lorenz_ (mailto:Reiff at lorenz.com)  
To: _Velocity Aircraft Owners and Builders  list_ 
(mailto:reflector at tvbf.org)  
Sent: Wednesday, May 18, 2011 4:29  PM
Subject: Re: REFLECTOR: Continental  info



I'm  considering a Continental IO-550N for an XL RG. What cruise speed do 
you see  at the settings you quoted . . .? 
Don – LOP, 12.5 GPH at 9,500 feet (fixed gear) 
Bob -- 85% power LOP,  turbo (currently only at low  altitudes) 
What  are other XL RG owners getting for true airspeed cruise? My mission 
requires  200 kts true for 4 hours plus IFR reserves. Any recommendations for 
engine  or performance mods? 
Thanks! 
Reiff  Lorenz 
 
 
From:  reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On 
Behalf  Of Craig and Denise Woolston
Sent: Tuesday, May 17, 2011 8:15  AM
To: 'Velocity Aircraft Owners and Builders  list'
Subject: Re: REFLECTOR: Continental  info

Don- 
We built our plane before pictures were all electronic but I can scan some  
in a couple days if you more details.  We are running –N, going on 625  
hours on XL-5FG.  We do not have any cooling air going to the engine  mounted 
cooler, but we are plumbed to a forward nose mounted cooler.   We too try to 
keep our CHTs below 380.  We will occasionally see 400s  on a cylinder or 
two after climbout on a hot day after a quick turn fuel  stop.  Typical flight 
shows CHTs from 300 to 360 with 2 typically our  hottest.  We typically see 
180deg on the oil in the winter and 190-200  in the summer.  We run LOP 
exclusively, typically see 12.5 GPH at 9,500  feet and if you believe the 
electronics engine analyzer around 75%  power.  Besides saving gas we have seen 
that ROP increases CHTs 30-60  and oil at least 20 degrees.  We are based out 
of Lancaster in  California.  Because of all the dirt and dust out here we 
did spend the  time to build an air intake with inline air filters, that’s 
probably the  only unique thing about our install. 
Craig 
 
  
____________________________________
 
From:  reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On 
Behalf  Of Don Johnston
Sent: Sunday, May 15, 2011 6:26  PM
To: reflector at tvbf.org
Subject: REFLECTOR:  Continental info
Looking for some info on Continental IO550-N  installs.

Specifically, pictures of cooling plenum installations and  in particular, 
the oil cooler ducting.

As for finished/flying  aircraft, what kind of CHTs and oil temps are you  
seeing?

Thanks!

Don Johnston

 
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