X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost05.isp.att.net ([204.127.217.105] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4635854 for flyrotary@lancaironline.net; Thu, 09 Dec 2010 18:15:46 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.217.105; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-85-111-241.mco.bellsouth.net[98.85.111.241]) by isp.att.net (frfwmhc05) with SMTP id <20101209231507H0500hmep7e>; Thu, 9 Dec 2010 23:15:08 +0000 X-Originating-IP: [98.85.111.241] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Source for 18mm x 2.0 Bolt Date: Thu, 9 Dec 2010 18:15:09 -0500 Message-ID: <57D5258E353A4EAC806855B98D670499@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0035_01CB97CD.040A12D0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcuXtfcO6fOa4PmrRnaXA0Cg5WGE/gAQN/wA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0035_01CB97CD.040A12D0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Can it be welded up, redrilled, and retapped? Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ed Anderson Sent: Thursday, December 09, 2010 10:29 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Source for 18mm x 2.0 Bolt Ah, I had missed the part about already tapping the hole with the 18x2.0. Yes, that sort of puts you needing a 18x2.0 bolt. Ed From: Mark Steitle Sent: Thursday, December 09, 2010 7:37 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Source for 18mm x 2.0 Bolt Ed, I totally agree, except were you don't have much other choice, like when plugging the heater port. There isn't enough material to drill & tap to a common size. The 18mm was a good fit, and would have worked out great if we had used a more common pitch, like 1.5. Who would have known that they make taps for non-existent bolt sizes. Mark On Thu, Dec 9, 2010 at 6:15 AM, Ed Anderson wrote: I would avoid the "have it made route" if possible. If for some reason you ever needed a replacement, you'd have to have it made again. Although, I must admit, I can't imagine what would ruin an 18x2.0 bolt that wouldn't trash the engine - but you never know {:>). I try to stick with easily available standard sizes if at all possible for just about anything on the aircraft - so I can run down to local Auto store when away from home and get the part if needed. Ed From: Mark Steitle Sent: Thursday, December 09, 2010 6:35 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Source for 18mm x 2.0 Bolt From the responses received on this it looks like the best route is to go see the machinist and have one made. Oh, and throw the 18mm x 2.0 tap in the trash. Mark On Wed, Dec 8, 2010 at 9:26 PM, Dave wrote: Bought something bigger, cut it down... filed the threads into a taper at the tip and played with it carefully so it didnt cross thread. Thats what I did with our first attempt at a block, when we put an aluminum adapter on the oil pump pad for oil return and PSRU feed. Later gen used the stock oil return fitting with an AN adapter on it. On 12/8/2010 3:40 PM, Mark Steitle wrote: Kelly, Short story is that this is the tap size I had handy that fit the hole. We're trying to plug the heater port on the rear housing. Who would have thought that an 18mm x 2.0 would be an oddball size! We found a place that sells 18mm x 2.0 nuts, but they tell us that nobody makes an 18 x 2.0 bolt. That seems hard to believe. Mark On Wed, Dec 8, 2010 at 3:26 PM, Kelly Troyer wrote: Mark, Try the link below.............What in the world is it for !!.................There may be other sources but this is the first one I found................. http://www.fullermetric.com/products/hex/din933_931-8.8hex_head_cap_screw.ht ml#14-20 Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo _____ From: Richard Sohn To: Rotary motors in aircraft Sent: Wed, December 8, 2010 2:57:49 PM Subject: [FlyRotary] Re: Source for 18mm x 2.0 Bolt You will have a hard time for that. M18 x 2.5 is standard and first choice fine is 18 x 1.5 . You may have to get it made. Richard Sohn N2071U ----- Original Message ----- From: Mark Steitle To: Rotary motors in aircraft Sent: Wednesday, December 08, 2010 1:49 PM Subject: [FlyRotary] Source for 18mm x 2.0 Bolt Anyone know where I can purchase an 18mm x 2.0 bolt? ------=_NextPart_000_0035_01CB97CD.040A12D0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Can it be welded up, redrilled, and retapped?

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ed Anderson
Sent: Thursday, December = 09, 2010 10:29 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Source for 18mm x 2.0 Bolt

 

Ah, I had missed the part about already tapping the = hole with the 18x2.0.  Yes, that sort of puts you needing a 18x2.0 = bolt.

 

Ed

 

Sent: Thursday, December 09, 2010 7:37 AM

Subject: [FlyRotary] Re: Source for 18mm x 2.0 Bolt

 

Ed, 

 

I totally agree, except were you don't have much other choice, = like when plugging the heater port.  There isn't enough material to = drill & tap to a common size.  The 18mm was a good fit, and would have = worked out great if we had used a more common pitch, like 1.5.  Who would have = known that they make taps for non-existent bolt = sizes.

 

Mark

On Thu, Dec 9, 2010 at 6:15 AM, Ed Anderson <eanderson@carolina.rr.com&g= t; wrote:

I would avoid the "have it made route" if possible.  If for some reason you ever needed a replacement, you'd = have to have it made again.  Although, I must admit, I can't imagine what = would ruin an 18x2.0 bolt that wouldn't trash the engine - but you never know {:>).

 

I try to stick with easily available standard sizes = if at all possible for just about anything on the aircraft - so I can run down = to local Auto store when away from home and get the part if = needed.

 

Ed

 

From: Mark Steitle

Sent: Thursday, December 09, 2010 6:35 AM

Subject: [FlyRotary] Re: Source for 18mm x 2.0 Bolt

 

From the responses received on this it looks like the best route = is to go see the machinist and have one made.  Oh, and throw the 18mm x = 2.0 tap in the trash.  

 

Mark

On Wed, Dec 8, 2010 at 9:26 PM, Dave <david.staten@gmail.com> wrote:

Bought something bigger, cut it down... filed the threads into a = taper at the tip and played with it carefully so it didnt cross thread. Thats = what I did with our first attempt at a block, when we put an aluminum adapter = on the oil pump pad for oil return and PSRU feed.

Later gen used the stock oil return fitting with an AN adapter on it. =

On 12/8/2010 3:40 PM, Mark Steitle wrote:

Kelly, 

 

Short story is that this is the tap size I had handy that fit = the hole.  We're trying to plug the heater port on the rear housing.  Who would have thought that an 18mm x 2.0 would be an oddball size!  We found a place that = sells 18mm x 2.0 nuts, but they tell us that nobody makes an 18 x 2.0 = bolt.  That seems hard to believe.  =   

 

Mark  =

On Wed, Dec 8, 2010 at 3:26 PM, Kelly Troyer <keltro@att.net> = wrote:

Mark,

   Try the link below.............What in = the world is it for !!.................There may be other sources = but

 

this is the first one I = found.................

 

Kelly Troyer
"DYKE DELTA = JD2" = (Eventually)

"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold

"TURBONETICS"_TO4E= 50 Turbo

 

 

From: Richard Sohn <res12@fairpoint.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Wed, December 8, = 2010 2:57:49 PM
Subject: [FlyRotary] Re: = Source for 18mm x 2.0 Bolt

You will have a hard time for that. M18 x 2.5 is = standard and first choice fine is 18 x 1.5 . You may have to get it made. =

 

Richard Sohn
N2071U

----- Original Message ----- =

From: Mark Steitle

Sent: = Wednesday, December 08, 2010 1:49 PM

Subject: = [FlyRotary] Source for 18mm x 2.0 Bolt

 

Anyone know where I can purchase an 18mm x 2.0 bolt?  =

 

 

 

 

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