Received-SPF: none
 receiver=logan.com; client-ip=209.86.89.68; envelope-from=Dastaten@earthlink.net
Message-ID: <47D084F6.6060503@earthlink.net>
Date: Thu, 06 Mar 2008 17:57:42 -0600
From: David Staten <Dastaten@earthlink.net>
User-Agent: Thunderbird 2.0.0.12 (Windows/20080213)
MIME-Version: 1.0
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Disaster Averted
References: <list-2778225@logan.com>
In-Reply-To: <list-2778225@logan.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

Chris informed me this morning that we had coolant coming out of the 
tailpipe. I forsee us tearing things down in short order, if its not 
something simple like a loose bolt somewhere (not that i have any idea 
how one of our tension bolts could have worked loose)..

Dave

Tracy Crook wrote:
> I was impressed with the IVO static thrust when I tried it too.  Just 
> didn't like the cruise and top speed numbers but that should be less 
> of a factor on canards since the air is dirty near the hub where the 
> "IVO drag" is.
>  
> Can't figure out why you have hot start problems from your 
> descriptions but I'm not real familiar with your intake systems 
> layout.   I was having similar hot starting problems with my 20B but I 
> knew the cause (low cranking compression).  I had a custom hand built 
> set of apex seals that turned out to have dimension errors.  Do you 
> know your hot cranking compression?  If not, it's worth 
> measuring given your symptoms.
>  
> The other starting problem I've seen lately was on Renesis crank 
> sensors caused by starter noise pickup.  I know you don't have 
> a Renesis CAS but it might be worth trying the 1000 ohm resistors on 
> your 2nd gen sensors just in case.  (remember, there are 2 sensors in 
> the 2nd gen CAS).   The key symptom with starter induced noise is that 
> the engine will often try it's best to start (or sometimes actually 
> start) at the moment when you release the starter switch.
>  
> Tracy  
>
> On Sun, Mar 2, 2008 at 11:15 AM, Christopher Barber 
> <CBarber@texasattorney.net <mailto:CBarber@texasattorney.net>> wrote:
>
>     It is amazing what a little change can make. After I let my engine
>     cool for
>     about two hours last night I was able to get it to start again.  I
>     had run
>     it earlier at fast idle to see how long it took to get the temps
>     up.  It
>     took about 16 minutes for the coolant temp to hit 200 degrees on an 80
>     degree day.  Most of the run the oil temp was almost exactly the
>     same as the
>     coolant, but was about 12-14 degrees higher when I shut it down.
>      Not too
>     bad I hope even though it did seem to run rich from yesterday with the
>     mixture knob at 12oclock and needed leaning.
>
>     While I was waiting for it to cool I decided to flatten out the IVO
>     in-flight adjustable pitch prop. It was almost there already, but
>     I hooked a
>     battery to the contact and made it fully flat.  After screwing
>     with the hot
>     start for a while, it finally fired up (Geeesh, what a pain).
>      Everything
>     seemed normal except it was rough near idle but smoothed out as I
>     gave it
>     some throttle.  On a wild hair I figured I would increase it to
>     WOT to see
>     if would stay smooth......BOY, did it stay smooth.  The rpm shot
>     to above
>     6000 before I knew it (without the EM RPM numbers jumping around
>     this time
>     as has been a continuing problem) and the plane, which was chocked
>     with
>     chocks and old full size batteries and a few assorted junk engine
>     parts
>     started moving forward.......WITH FULL BRAKES APPLIED....skidding
>     towards my
>     hangar mates restoration project VariEZ. HOLLY CRAP!!!!!, where
>     the hell did
>     that come from?????  I could barely hit 5000 yesterday.
>
>     Needles to say, I quickly throttled back with the mixed emotion of
>     terror of
>     my own stupidity and the rush of excitement to all the seeming new
>     power.
>     Until I remembered that I changed the pitch on the prop I could not
>     understand where all the power came from as I did not change
>     anything else.
>     Mind you I had INTENDED to look into my crystal ball for the
>     answer to my
>     warm start problems during the cooling time, but, alas, an airport
>     friend
>     stopped by and it was mutual Liberaltarian social hour <g>.
>
>     FWIW, just a combination war story/progress report with memories
>     of John
>     Slade reporting on a similar experience a few years back <g>.
>
>     All the best,
>
>     Chris
>
>     Christopher Barber
>     Attorney and Counselor at Law
>     5116 Bissonnet, No 418
>     Bellaire, Texas 77401
>
>     Serving the Needs of Senior Texans through
>     Planning with Purpose
>
>     281-464-LAWS (5297)
>     281-754-4168 Fax
>     www.TexasAttorney.net <http://www.texasattorney.net/>
>
>
>
>     --
>     Homepage:  http://www.flyrotary.com/
>     Archive and UnSub:  
>     http://mail.lancaironline.net:81/lists/flyrotary/List.html
>
>
> ------------------------------------------------------------------------
>
> No virus found in this incoming message.
> Checked by AVG Free Edition. 
> Version: 7.5.516 / Virus Database: 269.21.4/1313 - Release Date: 3/5/2008 9:50 AM
>