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Date: Fri, 07 Jan 2005 17:50:18 -0500
Subject: Re: [FlyRotary] Oil Circuit Fittings?
From: Bulent Aliev <atlasyts@bellsouth.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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On 1/7/05 9:54 AM, "Dale Rogers" <dale.r@cox.net> wrote:

> Hi All,
> 
>  A question: what thread sizes are being used for
> coupling to remote oil filters?
> 
>  The reason I'm asking is that someone had commented on
> the filter bypass block I put up last month.  So I made
> a set of "blanks" that could be finished in a variety of
> ways per the suggestions/requests I got.
> 
>  The block pictured isn't finished (as you can probably
> tell from the Dykem still present), but is set up as a
> diverter rather than a bypass. The inlet and outlet of
> this piece are currently drilled for 1/4" NPT, but not
> yet threaded.  It could easily be converted into a bypass
> block with two sensor ports merely by drilling through
> between the existing inlet and outlet. The most forward
> blank face (in the photo) can be drilled for an additional
> port for a pressure or temperator sensor, and there is room
> to put more taps in on other faces.
> 
>  I'm still working on the 120* filter adapter that I
> ultimately intend to use on my COZY.
> 
>  Of course, those of you who are running engines built
> by BT can't use any of the above, since the filter mount
> pad is no longer there.  I have some ideas for that, too.
> 
> Regards,
> Dale R.
> COZY MkIV #1254
> 

Dale, my block is tapped 1/2" NPT for the large feed hole and 1/4 NPT for
the PSRU feed line. I also have the 1/8"x 27 NPT port for the oil temp.
Bulent