Air filters

[rcaerobob at cox.net]

Those things are noise sources ONLY if they can be heard above the rattle of wheels, wheel pants, belly pans, chin cowls, and canopies.

So maybe it could be....

Bob P.
Chinese ARF Flier
> 
> From: Jim_Woodward at beaerospace.com
> Date: 2004/08/12 Thu PM 01:35:28 EDT
> To: discussion at nsrca.org
> Subject: Re: Air filters
> 
> Hi All,
> 
> I was under the impression that the real cause of excessive noise was prop 
> (rpm & diameter).  The actual engine noise and exhaust setup (by todays 
> typical standard) was not the significant cause of noise - the prop is the 
> culprit. 
> Jim W.
> 
> 
> 
> 
> 
> 
> <tony at radiosouthrc.com>
> Sent by: discussion-request at nsrca.org
> 08/12/2004 01:32 PM
> Please respond to tony
> 
>  
>         To:     <discussion at nsrca.org>
>         cc: 
>         Subject:        Re: Air filters
> 
> 
> Richard:
> I make one for the OS 160...
>  
> Tony Stillman
> Radio South
> 3702 N. Pace Blvd.
> Pensacola, FL 32505
> 1-800-962-7802
> www.radiosouthrc.com
> ----- Original Message ----- 
> From: Richard Strickland 
> To: NSRCA 
> Sent: Thursday, August 12, 2004 10:37 AM
> Subject: Air filters
> 
> Anyone,
>  
> When we first started trying to quiet things down, one of the areas we 
> looked at was intake noise.  We used to use a stretch on filter housing 
> with small filter disks that helped the noise problems with the added 
> benefit of keeping crap out of the engine--gee, what a concept.  Are there 
> any such animals available now?  We fly off an old asphalt runway and 
> there is the possibility something significant was sucked into a brand new 
> 170 and destroyed the piston, sleeve, ring and bearing.  First time for 
> everything, I guess.  The 60 sized ones did not seem to affect 
> performance.
>  
> Thanks,
>  
> Richard
> 
> 
> 

Bob Pastorello, El Reno, OK, USA
rcaerobob at cox.net
www.rcaerobats.net

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