OS15FP prop stud thread size- WHAT??!!

OS15FP prop stud thread size- WHAT??!!

Post by Donald Baile » Tue, 03 Oct 2000 04:00:00



Does anybody know if there is a spinner nut available for the OS15FP?
The Tower catalog prop stud chart shows that it has a 7/32 thread
diameter (and does not show the thread count).  The TTGP15 shows the
same thing, incidentally.  

What is this thread size/count, and is there a spinner nut out there for
it?  

TIA,

Don Bailey
Snohomish WA

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by EKAJ » Wed, 04 Oct 2000 11:39:05


If I'm not mistaken the size is 7 and the thread count is 32.  OS makes a
spinner nut in this size, and it is available thru Tower.

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by jimb.. » Wed, 04 Oct 2000 04:00:00




Quote:
> If I'm not mistaken the size is 7 and the thread count is 32.  OS
makes a
> spinner nut in this size, and it is available thru Tower.

There is no such size as 7-32, sounds like a typo to me. It's probably
something like 10-32unf or metric.  Likely to be a very common size.
My OLD OS.35 has metric everywhere but the prop nut (1/4-28).  Never
seen a OS.15 so I can't be much more help than that.

Sent via Deja.com http://www.deja.com/
Before you buy.

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by A.T. » Wed, 04 Oct 2000 04:00:00


OS provide a spinner nut for the .15FP = # 21524001 and the thread is quoted
as being 7/32" - 32
FWIW .10FP = M5
            .20-.25 = 1/4" - 28
            .60Fp & .61 - .91FX = 5/16" - 24
           1.08  =  3/8" - 24

regards
Alan T.


Quote:
> Does anybody know if there is a spinner nut available for the OS15FP?
> The Tower catalog prop stud chart shows that it has a 7/32 thread
> diameter (and does not show the thread count).  The TTGP15 shows the
> same thing, incidentally.

> What is this thread size/count, and is there a spinner nut out there for
> it?

> TIA,

> Don Bailey
> Snohomish WA

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by jimb.. » Wed, 04 Oct 2000 04:00:00



Quote:



> > If I'm not mistaken the size is 7 and the thread count is 32.  OS
> makes a
> > spinner nut in this size, and it is available thru Tower.

> There is no such size as 7-32, sounds like a typo to me. It's probably
> something like 10-32unf or metric.  Likely to be a very common size.
> My OLD OS.35 has metric everywhere but the prop nut (1/4-28).  Never
> seen a OS.15 so I can't be much more help than that.

> Sent via Deja.com http://www.deja.com/
> Before you buy.

Just had a look at their website.  I would like to congratulate OS for
using BASTARD threads (assuming the 7-32 size on the site is correct).

Why not 6mm? How about 10-32? NO! The only enine in their line to use a
funny size.  What's the reasoning behind that?

Sent via Deja.com http://www.deja.com/
Before you buy.

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by Model Flye » Thu, 05 Oct 2000 04:00:00


The prop nut is 7/32" x 32 tpi, 'threads per inch', so there.
JKL.
Quote:



> > If I'm not mistaken the size is 7 and the thread count is 32.  OS
> makes a
> > spinner nut in this size, and it is available thru Tower.

> There is no such size as 7-32, sounds like a typo to me. It's probably
> something like 10-32unf or metric.  Likely to be a very common size.
> My OLD OS.35 has metric everywhere but the prop nut (1/4-28).  Never
> seen a OS.15 so I can't be much more help than that.

> Sent via Deja.com http://www.deja.com/
> Before you buy.

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by Mathew Kirsc » Thu, 05 Oct 2000 04:00:00


Quote:

> Does anybody know if there is a spinner nut available for the OS15FP?
> The Tower catalog prop stud chart shows that it has a 7/32 thread
> diameter (and does not show the thread count).  The TTGP15 shows the
> same thing, incidentally.  
> What is this thread size/count, and is there a spinner nut out there for
> it?  

I'm sure Harry Higley makes one; he has all the odd-sized spinner nuts.
 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by Pé Reiver » Thu, 05 Oct 2000 04:00:00


Alan,
You may proceed to the next level
--
P, from Arcen, south-east Netherlands
http://home.planet.nl/~preivers
Remove the obvious to reply my messages



Quote:
> OS provide a spinner nut for the .15FP = # 21524001 and the thread is
quoted
> as being 7/32" - 32
> FWIW .10FP = M5
>             .20-.25 = 1/4" - 28
>             .60Fp & .61 - .91FX = 5/16" - 24
>            1.08  =  3/8" - 24

> regards
> Alan T.



> > Does anybody know if there is a spinner nut available for the OS15FP?
> > The Tower catalog prop stud chart shows that it has a 7/32 thread
> > diameter (and does not show the thread count).  The TTGP15 shows the
> > same thing, incidentally.

> > What is this thread size/count, and is there a spinner nut out there for
> > it?

> > TIA,

> > Don Bailey
> > Snohomish WA

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by jimb.. » Fri, 06 Oct 2000 04:00:00




Quote:
> The prop nut is 7/32" x 32 tpi, 'threads per inch', so there.

I never *said* it wasn't. It's just that I mistakenly assumed that a
major engine company wouldn't be so stupid as to make the most commonly
lost or damaged nut on the engine a bastard size.  What I *did* say was
that there is no such size as a #7-32. I still stand by that.  I also
said that I had never actually seen the engine and I thought something
more common would be more *likely*.  So there.

Quote:
> JKL.



Quote:


> > > If I'm not mistaken the size is 7 and the thread count is 32.  OS
> > makes a
> > > spinner nut in this size, and it is available thru Tower.

> > There is no such size as 7-32, sounds like a typo to me. It's
probably
> > something like 10-32unf or metric.  Likely to be a very common size.
> > My OLD OS.35 has metric everywhere but the prop nut (1/4-28).  Never
> > seen a OS.15 so I can't be much more help than that.

> > Sent via Deja.com http://www.deja.com/
> > Before you buy.

Sent via Deja.com http://www.deja.com/
Before you buy.
 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by 5ce.. » Fri, 06 Oct 2000 04:00:00


As I recall, 7/32 is the tap size for a 10-32 thread.  Could it be that
the prop shaft is a 10-32 thread or something very close to it?  For
those of you who like to convert measurements to metric units, is a 10-
32 thread close to a metric equivalent, say 5mm?

Dave

Sent via Deja.com http://www.deja.com/
Before you buy.

 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by TH » Fri, 06 Oct 2000 04:00:00


Quote:

> As I recall, 7/32 is the tap size for a 10-32 thread.  Could it be that
> the prop shaft is a 10-32 thread or something very close to it?  For
> those of you who like to convert measurements to metric units, is a 10-
> 32 thread close to a metric equivalent, say 5mm?

> Dave

O.S. says that the shaft is 7-32 which is BS.  In reality it is the same
size as the .10 which is a 5mm.
 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by Mathew Kirsc » Fri, 06 Oct 2000 04:00:00


Quote:

> As I recall, 7/32 is the tap size for a 10-32 thread.  Could it be that
> the prop shaft is a 10-32 thread or something very close to it?  For
> those of you who like to convert measurements to metric units, is a 10-
> 32 thread close to a metric equivalent, say 5mm?

Been down this road. Nothing metric comes close to a 10-32 bolt.
Was looking for a nut to hold the air cleaner on my dad's chainsaw...
10-32 wouldn't thread on. 4mm, 5mm, and 6mm didn't come anywhere close.
Turned out to be a 10-24.
 
 
 

OS15FP prop stud thread size- WHAT??!!

Post by jimb.. » Sat, 07 Oct 2000 04:00:00


The part numbers are the same for the .10 FP and the .15 LA - both 5 mm.
The .15 FP (the one in question) is different.  Supposedly bastard 7/32
(.219")-32tpi.  I still find this hard to believe.  My Enya .15 is 6mm;
just went to the store today and bought a bag for under a buck - try
doing that with the bastard stuff.

Does anybody actually have one of these that they can put some calipers
on?  I would like to know the real answer.



Quote:
> O.S. says that the shaft is 7-32 which is BS.  In reality it is the
same
> size as the .10 which is a 5mm.

Sent via Deja.com http://www.deja.com/
Before you buy.