X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from wproxy.gmail.com ([64.233.184.238] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1056620 for flyrotary@lancaironline.net; Mon, 03 Apr 2006 05:21:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.233.184.238; envelope-from=barrygardner@gmail.com Received: by wproxy.gmail.com with SMTP id i30so1106382wra for ; Mon, 03 Apr 2006 02:21:03 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:from:to:references:subject:date:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole; b=X3hRPrxB9+xSINwPg8B8m9QKNxv8LufZItNjltKRUrqgbYwnK0NujtBR6xvIrzlSbAvOksaYGqDrsQNQ3TdcX69sw3vkxJNqArXGxqDICjPC9rXth6BTCa0grIWQKI8Waqz+0eVdzhZbfD7w8kobNvMIplTFKkXKCwxwl2KFXWk= Received: by 10.54.102.8 with SMTP id z8mr2625835wrb; Mon, 03 Apr 2006 02:21:02 -0700 (PDT) Return-Path: Received: from dellc400 ( [75.4.73.65]) by mx.gmail.com with ESMTP id 66sm795429wra.2006.04.03.02.21.02; Mon, 03 Apr 2006 02:21:02 -0700 (PDT) Message-ID: <002c01c656ff$ebe30210$6401a8c0@dellc400> From: "Barry Gardner" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Oil pressure port size Date: Mon, 3 Apr 2006 04:20:54 -0500 MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0028_01C656D5.FFB54390"; type="multipart/alternative" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2670 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 This is a multi-part message in MIME format. ------=_NextPart_000_0028_01C656D5.FFB54390 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0029_01C656D5.FFB54390" ------=_NextPart_001_0029_01C656D5.FFB54390 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageWendell, I'd try the one I referenced from Autometer, whose whole business is = after-market gauges. JC Whitney, which is out here in Illinois, maybe a = 90 minutes drive from me, is a dicey supplier. I've had my own fights = about non-airplane-part with them. They frankly don't know what the heck = they have, so trying to get info from their clerks is just impossible. = And what they ship you might be different than what's in the catalog. = It's inexpensive but it's a pig in a poke. But I digress... I think "BSPT" is an abbreviation for British Standard Pipe Thread, = which is different than the American NPT or National Pipe Thread. Barry ----- Original Message -----=20 From: Wendell Voto=20 To: Rotary motors in aircraft=20 Sent: Sunday, April 02, 2006 11:33 PM Subject: [FlyRotary] Re: Oil pressure port size =20 I ordered an adapter (10.0x1) from ACS. This is the size I got off = this list as to what is needed for the oil pressure gauge post. Well... = it doesn't fit, the threads are finer on the oil pressure gauge sender = unit. Sooo.. what is the real thread size for the Oil pressure gauge = port on the 13B? What is a good source for an adapter to go from the = oil pressure port to pipe thread? Wendell=20 Hi Wendell,=20 Sorry if I'm the one that steered you wrong on this. I have a note = that M10x1.0 fits, and I'm sure it did fit the ones I've tried. There = was at least one other case where one of my noted sized didn't fit = someone else's housing, so it's possible they do change from one year to = the next. =20 Just to be sure, are you talking about the actual threaded hole in = the rear housing? Seems I recall that the stock arrangement used a = straight fitting that extended out from the housing to the sender. If = I'm remembering that correctly, then the sender could be different from = the threaded hole in the housing. Good luck, Rusty (just back from a family reunion)=20 Rusty, I'll let you take the blame. The oil pressure sending unit on my '87 13B appears to be 10x = something. The adapter diameter is right but threads are too course on = the purchased adapter. Barry mentions a 1/8 BSPT which I have never = heard of (haven't heard of a lot of things). I went to JC Whitney site = and they show a 1/8x28 BSP adapter. Barry,is this what you're referring = to? The port for the temp sensor just forward of the oil pressure sensor = port on my engine is smaller than the oil pressure port and I have no = idea what it is, but am going to use the original temp sending unit = case, drilled out to accept my solid state sensor in this location. It might be better to get an original Mazda oil pressure sending = unit (original one seeps oil) to fill the hole and use a gauge that will = be compatible with it and get oil for the re-drive from some other = source. Does anyone know if the Mazda sending unit is compatible with = after market gauges?=20 Could try getting kit from JCW and see if any will work. Already = wasted more on the one from ACS. Wendell ------=_NextPart_001_0029_01C656D5.FFB54390 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Wendell,
 
I'd try the one I referenced from Autometer, whose whole business = is=20 after-market gauges. JC Whitney, which is out here in Illinois, maybe a = 90=20 minutes drive from me, is a dicey supplier. I've had my own fights about = non-airplane-part with them. They frankly don't know what the heck they = have, so=20 trying to get info from their clerks is just impossible. And what they = ship you=20 might be different than what's in the catalog. It's inexpensive but it's = a pig=20 in a poke. But I digress...
 
I think "BSPT" is an abbreviation for British Standard Pipe Thread, = which=20 is different than the American NPT or National Pipe Thread.
 
Barry
----- Original Message -----
From:=20 Wendell = Voto=20
Sent: Sunday, April 02, 2006 = 11:33=20 PM
Subject: [FlyRotary] Re: Oil = pressure=20 port size


 
I ordered an adapter (10.0x1) from ACS.  This is the size = I got=20 off this list as to what is needed for the oil pressure gauge = post. =20 Well... it doesn't fit, the threads are finer on the oil pressure = gauge=20 sender unit.  Sooo.. what is the real thread size for the Oil = pressure=20 gauge port on the 13B?  What is a good source for an adapter to = go from=20 the oil pressure port to pipe thread?
Wendell 
 
Hi=20 Wendell, 
 
Sorry if I'm=20 the one that steered you wrong on this.  I have a note=20 that M10x1.0 fits, and I'm sure it did fit the ones I've=20 tried.  There was at least one other case where one of my = noted=20 sized didn't fit someone else's housing, so it's possible they = do=20 change from one year to the next.  
 
Just to be=20 sure, are you talking about the actual threaded hole in the = rear=20 housing?  Seems I recall that the stock arrangement used=20 a straight fitting that extended out from the housing to the=20 sender.  If I'm remembering that correctly, then the sender = could be=20 different from the threaded hole in the housing.
 
Good=20 luck,
Rusty (just=20 back from a family reunion) 

Rusty, = I'll let you=20 take the blame.

The oil = pressure=20 sending unit on my '87 13B appears to be 10x something.  The = adapter=20 diameter is right but threads are too course on the purchased = adapter. =20 Barry mentions a 1/8 BSPT which I have never heard of (haven't heard = of a=20 lot of things).  I went to JC Whitney site and they show a = 1/8x28 BSP=20 adapter. Barry,is this what you're referring to?

The port = for the temp=20 sensor just forward of the oil pressure sensor port on my engine is = smaller=20 than the oil pressure port and I have no idea what it is, but = am going=20 to use the original temp sending unit case, drilled out to = accept my=20 solid state sensor in this location.

It might = be better to=20 get an original Mazda oil pressure sending unit (original one seeps = oil) to=20 fill the hole and use a gauge that will be compatible with it and = get oil=20 for the re-drive from some other source. Does anyone know if = the Mazda=20 sending unit is compatible with after market = gauges? 

 Could try getting=20 kit from JCW and see if any will work. Already wasted more on the = one from=20 ACS.

Wendell

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