REFLECTOR: Air Filters on IO-550N

Craig and Denise Woolston cdwoolston at sbcglobal.net
Wed May 18 07:09:23 CDT 2011


Found some pictures of air filter and generally the engine plenum area.

 

We are a fixed gear and unfortunately have never been able to keep a nose
pant on.  We typically see 145-150 IAS and 165-170 TAS at 9,500 ft.  The
plane with do 195 TAS wide open at 1000'msl but your drinking 28-30gph; we
did the Osh air race that way for 1.5 hours.

 

Craig

 

  _____  

From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Brooke Wolf
Sent: Tuesday, May 17, 2011 7:14 AM
To: reflector at tvbf.org
Subject: REFLECTOR: Air Filters on IO-550N

 

Craig

 

That was good info on your IO-550N install.  My installation is essentially
the same as yours, so I am very interested in your performance.  I am not
flying (YET!), but I would like to know what to expect.  The CHT,  EGT, and
oil info was enlightening.  What kind of IAS and TAS are you getting?

 

The other thing of interest is your air filtration system.  I have been
thinking about that for some time.  Intake air filtration does not seem to
be a priority item here in Sebastian.  In fact I have seen no TCM
installation with it.  I plan on doing a lot of cross country flying with my
machine, so filtering the air might be an idea worth implementing.  Can you
post some pictures?

 

Thanks,

 

Brooke

 

Flying------ Nov 2010, Jan2011,  Mar 2011 at the latest.., oh
well..............

 

 

 

 

 





 

From: "Craig and Denise Woolston" <cdwoolston at sbcglobal.net>

Date: May 17, 2011 8:14:41 AM EDT

To: "'Velocity Aircraft Owners and Builders list'" <reflector at tvbf.org>

Subject: Re: REFLECTOR: Continental info

Reply-To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>






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

 

 

  _____  

 

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