[MRCA] PU-181 Generator Fuel/Lube

[Christopher Bowne]

BTW, thanks for the source info on the Jacobsen engine pedigree..that info will come in handy to me , my PE-162 has a no spark condition at this point, might need a magneto and or a points condenser.  I have the spares kit it came with but after 60 years, no guarantee a magneto or condenser will be good.  




________________________________
 From: Chris Bowne <aj1g at sbcglobal.net>
To: Tim <timsamm at gmail.com> 
Cc: Military Radio Collectors Association <mrca at mailman.qth.net> 
Sent: Tuesday, April 15, 2014 7:12 AM
Subject: Re: [MRCA] PU-181 Generator Fuel/Lube
 


The antique engine guys on the smokestak  forum might have some good advice on this.  I have run 16/1 mix in my GRC-9 PE-162 no problem using current manufacture 2 cycle oil.  Great multi tasking genny...it's a genset AND a mosquito fogger!
Sent from my iPhone

On Apr 14, 2014, at 15:38, Tim <timsamm at gmail.com> wrote:


OK Wise Guys - here's a question for you regarding engine oil and concentration.
>
>The PU-181/PGC-1 is a 2-stroke gas generator rated at 300W, 240/120 VAC.  It uses a Jacobsen GE-12F engine.  The generator is designed for the PGC-1 TTY terminal but also for general purpose use.  It has a completely shielded ignition system - it is radio friendly. This same engine is also used to power the GRC-9 DC generator adaptation.
>
>The placard on the fuel tank advises a 16:1 fuel-oil ratio.  It states to use SAE 10 weight below 32 degrees F and SAE 30 for operation above 32 degrees F.
>
>However, the Tech Manual TM11-943 "Engine Generator PU-181/PGC-1" (US Army 1951) states to use a 32:1 fuel-oil ratio and it says to use SAE 10 lube oil, it says nothing about SAE 30 or temperature.
>
>So regarding mix ratio, which is it?  I don't know if there were any post-1951 tech advisories that addresses this apparent discrepancy.
>
>Comments?  Thanks
>Tim
>N6CC
>
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