November 28, 2018 11:03AM avatar
Will Gant Wrote:
-------------------------------------------------------
> It does provide the advantage of not pulling on
> the fire when the pump cycles. With a single lung
> pump, they run a lot, and when they run, they pull
> a draft. Sometimes that draft may be unwanted.
> Phil Reader had the Loops 12 rigged up that way
> for that reason.....of course it may also have
> been because he grew up around the SP.....

487 also had its exhaust set up similarly in the 1960's. [eriksenphoto.smugmug.com]
Subject Author Posted

SP 18 was out and about recently

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