REFLECTOR:Crankcase breather hose pop off

[Scott Derrick]

You guys are way to high tech for me.  I just drilled a simple circular 
hole in mine!

Scott

Ronnie Brown wrote:
> That's correct.  The whistle cut should be inside the engine 
> compartment.  Mine is about 6 inches from the bottom of the cowling.  I 
> don't think there would be an icing problem there.  And if there is, I'm 
> landing, right now!!!  cause it is WAY too cold outside. (;<)))
>  
> The angle cut at the bottom of the cowl/fuselage (mine is 1/2" aluminum 
> tube) sticks out about an inch or a bit more.
>  
>  
> ----- Original Message -----
> From: Paul Calhoun <mailto:paul@med-amb.org>
> To: reflector@tvbf.org <mailto:reflector@tvbf.org>
> Sent: Wednesday, June 11, 2003 6:03 PM
> Subject: RE: REFLECTOR:Crankcase breather hose pop off
> 
> Ronnie,
> Thanks for your response. <cut on the piece that sticks out the bottom>  - Bottom of the cowling? Shouldn't the whistle slot be near 
> the opening of the crankcase so the potential ice blockage would be down 
> line?
>  
> The angle cut is a good idea. Some have wrapped a spring around the 
> middle of the slot also.
> Paul
> 
>     -----Original Message-----
>     From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org] On
>     Behalf Of Ronnie Brown
>     Sent: Tuesday, June 10, 2003 7:00 PM
>     To: reflector@tvbf.org
>     Subject: Re: REFLECTOR:Crankcase breather hose pop off
> 
>     I used the whistle slot and it works fine, IF you have a good
>     rearward cut on the piece that sticks out the bottom.  I tried
>     cutting it more in line with the fuselage bottom, and that caused
>     oil to blow onto the firewall through the whistle slot.  I recut it
>     with more angle and it is working fine without getting oil on the
>     firewall.
>      
>     Ronnie
>      
>     ----- Original Message -----
>     From: Paul Calhoun <mailto:Paul@med-amb.org>
>     To: reflector@tvbf.org <mailto:reflector@tvbf.org>
>     Sent: Tuesday, June 10, 2003 8:07 PM
>     Subject: REFLECTOR:Crankcase breather hose pop off
> 
>     Because of the possibility of the crankcase breather hose freezing
>     up, reflectorites have suggested slitting the top side of the hose
>     near the crankcase outlet for pressure relief in such an event. This
>     avoids blowing out the crankcase seal with a blocked hose.
>      
>     Has anyone considered/used a pop off valve in the hose instead of a
>     slit? Seems like this would give a more reliable, controlled escape.
>     If so,where would one get such a valve?
>      
>     Paul Calhoun
>      
>     Medical Ambassadors International
>     Transforming nations through the seamless combination of disease
>     prevention, evangelism, and community development.
>      
>