Received-SPF: pass
 receiver=logan.com; client-ip=72.52.218.78; envelope-from=bob@bob-white.com
Date: Sat, 12 Jan 2008 20:42:29 -0700
From: Bob White <bob@bob-white.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: URL for HushPower
Message-Id: <20080112204229.3d99b09e.bob@bob-white.com>
In-Reply-To: <list-2642797@logan.com>
References: <list-2642797@logan.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

Hi Bill,

I was told by a sales clerk at NAPA that all O2 sensors use the same
thread (I don't know about wide band sensors so this may not apply).
My memory tells me it a 14 mm spark plug thread.  My memory is not
always reliable.

Bob W.

On Sat, 12 Jan 2008 22:35:55 -0500
"Bill Bradburry" <bbradburry@bellsouth.net> wrote:

> Mark,
> 
>  
> 
> How do the threads look on the O2 sensor?  Mine were boogered up when I
> removed it.  I still don't know if it is due to different threads or
> something else.  I used the bung from the original exhaust manifold, but the
> O2 sensor that Tracy recommends.
> 
>  
> 
> Bill B 
> 
>  
> 
>   _____  
> 
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Mark Steitle
> Sent: Saturday, January 12, 2008 9:06 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: URL for HushPower
> 
> Bill, 
> The cowl has had the "Dolly Pardon" mod.  So, no further cowl modifications
> should be necessary.  Hopefully, this exhaust system will last.  I found one
> crack that I hope was caused by not having a support out near the rear.  The
> HP-2 will be supported for sure.  I haven't installed the bung for the O2
> sensor yet, plan to do that tomorrow.  I need to pick up a new O2 sensor as
> mine somehow got damaged.  
> 
> Mark S.
> 
> On Jan 12, 2008 7:02 PM, Bill Bradburry <bbradburry@bellsouth.net> wrote:
> 
> Took me a minute to figure out what I was looking at, Mark, but what are you
> going to do to reinstall the O2 sensor?  Looks like you will have to do a
> little cowl mod as well?
> 
>  
> 
> I sure wish I lived a little closer to your welder.  :>)  That is a very
> clean looking install.
> 
>  
> 
> Bill B 
> 
>  
> 
>   _____  
> 
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Mark Steitle
> Sent: Saturday, January 12, 2008 5:59 PM 
> 
> 
> To: Rotary motors in aircraft
> 
> Subject: [FlyRotary] Re: URL for HushPower
> 
> For rotorheads that are contemplating using (also the mildly curious) the
> Flowmaster HP-2 "resonator" muffler,
> 
> I installed the HP-2 today on my 20B and was able to do a run-up.  Bobby
> Hughes and I both agree that the exhaust tone is much, much mellower with a
> deeper tone.  My Lighspeed ANR headset had no problem cancelling out this
> low-frequency exhaust tone.  While the overall sound level was still pretty
> significant, the exhaust tone was much more pleasant to the ears.  The
> ear-piercing, glass shattering, nails-on-the-chalkboard,
> make-you-bleed-from-the-ears, exhaust tone is totally tamed.  The 3-blade
> M/T prop is the primary noisemaker now.  The test took place between two
> rows of hangars, so I feel that DB readings are not very realistic.  I'll
> take those again out on the ramp and post the numbers.  If the HP-2 holds up
> to the pounding of the rotary's exhaust, I'll be a very happy camper. 
> 
> Mark S.
> 
> 
> 
> On Jan 12, 2008 3:22 PM, Ed Anderson <eanderson@carolina.rr.com> wrote:
> 
> They are both used stock Rx-7 turbos.  one is the older model pre 89  and
> the second is a later model 91 year.  They both appear to be in working
> condition in no nicks on the blades and they spin.  I used compressed air to
> spin the compressor wheels to they were really whizzing along.
> 
>  
> 
> One came with my 91 turbo block and the other was given to me. 
> 
>  
> 
> Ed
> 
>  
> 
>  
> 
> ----- Original Message ----- 
> 
> From: Thomas Jakits <mailto:rotary.thjakits@gmail.com>  
> 
> To: Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>  
> 
> Sent: Saturday, January 12, 2008 3:46 PM
> 
> Subject: [FlyRotary] Re: URL for HushPower
> 
>  
> 
> Well,
> 
> then we just have to keep on looking for a "justification" for you/your
> area/etc. :)
> 
> Just wait, I'll find something! :)
> 
> Thomas
> 
> How about: "..... I have two turbo sitting in my shop......."  
> 
> ...are they new/used? What's the scoop on them?
> 
>  
> 
>  
> 
> 


-- 
N93BD - Rotary Powered BD-4 - http://www.bob-white.com
3.8 Hours Total Time and holding
Cables for your rotary installation - http://roblinstores.com/cables/