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A-65 Oil screen thread pitch?



 
 
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  #1  
Old December 15th 06, 05:21 AM posted to rec.aviation.homebuilt
Scott[_1_]
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Posts: 367
Default A-65 Oil screen thread pitch?

Doe anybody know what the thread pitch for the oil screen is on a
Continental A-65? I have slightly boogered threads on the engine
threads and I want to run a set of dies through (I bought a tool with
the dies from McMaster Carr). It looks like 16 TPI is the closest.
Does that sound reasonable or does someone know for sure? I checked all
the ones that came with the tool by putting them over the threads on the
oil screen and let them drop in between the threads. Is that an
acceptable way to test for the right pitch or do I need to drop them
into the (female) threads in the rear accesory case, which would be damn
near impossible to see if they line up perfectly)? Any other ideas
(trying to avoid pulling the engine or rear case off)???

Scott
Corben Junior Ace with A-65
  #2  
Old December 15th 06, 05:45 AM posted to rec.aviation.homebuilt
Tom Frey
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Posts: 16
Default A-65 Oil screen thread pitch?


"Scott" wrote in message
.. .
Doe anybody know what the thread pitch for the oil screen is on a
Continental A-65? I have slightly boogered threads on the engine threads
and I want to run a set of dies through (I bought a tool with the dies
from McMaster Carr). It looks like 16 TPI is the closest. Does that sound
reasonable or does someone know for sure? I checked all the ones that
came with the tool by putting them over the threads on the oil screen and
let them drop in between the threads. Is that an acceptable way to test
for the right pitch or do I need to drop them into the (female) threads in
the rear accesory case, which would be damn near impossible to see if they
line up perfectly)? Any other ideas (trying to avoid pulling the engine
or rear case off)???

Scott
Corben Junior Ace with A-65


What kind of tool did you get with your dies. What you need is a simple
"thread pitch gage" to be sure. Inexpensive ones can be purchased from most
any place that sells measuring tools to machine shops.


  #3  
Old December 15th 06, 09:31 AM posted to rec.aviation.homebuilt
Philippe Vessaire
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Posts: 49
Default A-65 Oil screen thread pitch?

Scott wrote:

Doe anybody know what the thread pitch for the oil screen is on a
Continental A-65? *I have slightly boogered threads on the engine
threads and I want to run a set of dies through (I bought a tool with
the dies from McMaster Carr). *It looks like 16 TPI is the closest.


I machined a plug for remote oil filter.
I confirm 16TPI.


By
--
Pub: http://www.slowfood.fr/france
Philippe Vessaire Ò¿Ó¬

  #4  
Old December 15th 06, 01:33 PM posted to rec.aviation.homebuilt
Scott[_1_]
external usenet poster
 
Posts: 367
Default A-65 Oil screen thread pitch?

I can't remember the exact name of the tool, but it's made to repair
internal threads that are damaged. Basically looks similar to a piston
ring expander with changeable dies that attach at the ends. Then all
you do is set the dies into the threads, squeeze the handle a bit to
give the dies some pressure to stay in the threads and spin the tool around.

Scott



Tom Frey wrote:
"Scott" wrote in message
.. .

Doe anybody know what the thread pitch for the oil screen is on a
Continental A-65? I have slightly boogered threads on the engine threads
and I want to run a set of dies through (I bought a tool with the dies
from McMaster Carr).



What kind of tool did you get with your dies. What you need is a simple
"thread pitch gage" to be sure. Inexpensive ones can be purchased from most
any place that sells measuring tools to machine shops.


  #5  
Old December 15th 06, 01:36 PM posted to rec.aviation.homebuilt
Scott[_1_]
external usenet poster
 
Posts: 367
Default A-65 Oil screen thread pitch?

Thanks for the info! I think it probably would be good to get a pitch
gauge as well and triple check. Besides, I'm SURE there will be other
places I could use the gauge...But it is nice to get that fuzzy feeling
from someone else confirming what I see here. Thanks again...

Scott



Philippe Vessaire wrote:

Scott wrote:


Doe anybody know what the thread pitch for the oil screen is on a
Continental A-65? I have slightly boogered threads on the engine
threads and I want to run a set of dies through (I bought a tool with
the dies from McMaster Carr). It looks like 16 TPI is the closest.



I machined a plug for remote oil filter.
I confirm 16TPI.


By

  #6  
Old December 16th 06, 10:43 AM posted to rec.aviation.homebuilt
joeslow
external usenet poster
 
Posts: 1
Default A-65 Oil screen thread pitch?

Scott,

It is called a "Therad Chaser" they make them in all sizes ... you may
find them at Enco.com or other machine catalogs.

JK


Scott wrote:
I can't remember the exact name of the tool, but it's made to repair
internal threads that are damaged. Basically looks similar to a piston
ring expander with changeable dies that attach at the ends. Then all
you do is set the dies into the threads, squeeze the handle a bit to
give the dies some pressure to stay in the threads and spin the tool around.

Scott


  #7  
Old December 16th 06, 09:58 PM posted to rec.aviation.homebuilt
Scott[_1_]
external usenet poster
 
Posts: 367
Default A-65 Oil screen thread pitch?

Actually, I'm not sure they actually called it that in their catalog,
but that's essentially what it is. Anyhow...I got the threads repaired
yesterday, so I'm ready to button up and test run it. Thanks to all for
the help...

Scott




joeslow wrote:
Scott,

It is called a "Therad Chaser" they make them in all sizes ... you may
find them at Enco.com or other machine catalogs.

JK


Scott wrote:

I can't remember the exact name of the tool, but it's made to repair
internal threads that are damaged. Basically looks similar to a piston
ring expander with changeable dies that attach at the ends. Then all
you do is set the dies into the threads, squeeze the handle a bit to
give the dies some pressure to stay in the threads and spin the tool around.

Scott



  #8  
Old December 25th 06, 03:30 AM posted to rec.aviation.homebuilt
Fly
external usenet poster
 
Posts: 16
Default A-65 Oil screen thread pitch?

El Reno Aviation has a tap to fit wich they rent/loan it to F&M STC filter
buyers.
Maybe call them?

Kent Felkins


"Scott" wrote in message
.. .
Thanks for the info! I think it probably would be good to get a pitch
gauge as well and triple check. Besides, I'm SURE there will be other
places I could use the gauge...But it is nice to get that fuzzy feeling
from someone else confirming what I see here. Thanks again...

Scott



Philippe Vessaire wrote:

Scott wrote:


Doe anybody know what the thread pitch for the oil screen is on a
Continental A-65? I have slightly boogered threads on the engine
threads and I want to run a set of dies through (I bought a tool with
the dies from McMaster Carr). It looks like 16 TPI is the closest.



I machined a plug for remote oil filter. I confirm 16TPI.


By



  #9  
Old December 25th 06, 01:19 PM posted to rec.aviation.homebuilt
Scott[_1_]
external usenet poster
 
Posts: 367
Default A-65 Oil screen thread pitch?

Thanks for the tip. I bought a tool from McMaster-Carr for repairing
internal threads and it did the trick....

Scott


Fly wrote:
El Reno Aviation has a tap to fit wich they rent/loan it to F&M STC filter
buyers.
Maybe call them?

Kent Felkins

 




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