Monet/ Gatsby transmission thread

[DME72]

does anybody know the thread size for the monet/gatsby transmission? i have an idea for a modified pen i would like to build and use that transmission. woodnwhimsies did not have an answer for me.

thanks
doug

 

[eharri446]

I am not 100% sure, but I think that it is a M9 however, I do not have any Idea about the TPI.

 

[DME72]

based on what i measured my thread gauge says .5mm and the outside of the threads are about .270. that would suggest it is 7mm with .5 pitch but that is just a guess. i would like to find someone who knows for sure.

doug

 

[KenV]

Sierra tap in the shop is 8.44 mm. Can try to find it for pitch if you really need it

Edit in 8.44 by 1 tap from group by in the dim past






Have no idea about Gatsby.

 

[magpens]

8.5mm x 1mm - just measured on a Sierra twist. Your Monet / Gatsby should be the same.

 

[ed4copies]

8.5mm x 1mm - just measured on a Sierra twist. Your Monet / Gatsby should be the same.

Mal, you MAY be absolutely correct!!! But I would not bet on it--I have seen at least 3 different sizes on sierra and look-alike pens.

I don't know how to measure accurately, which is why I never answer this question!!

Ed

 

[DME72]

it cant be 8.5mm with the diameter being about .270 which is right at 7mm. 8.5mm would put it about .325-330
doug

 

[magpens]

That is what I measured on a Sierra twist, Doug. Maybe Gatsby is different. You have the Gatsby in your hand ... trust your own measurment.

Ed, I have no doubt about my measurements on the Berea Sierra twist stated above.
It surprises me greatly that you say you don't know how to make these measurements accurately. :biggrin:

My measurement is consistent with Ken's given above my post.

 

[ed4copies]

8.5mm x 1mm - just measured on a Sierra twist.

I was not doubting the above statement, I was questioning the statement below:
Your Monet / Gatsby should be the same.

To clarify

 

[magpens]

Oh .....

Ken and I were referring to the Sierra twist. . I could be wrong about the Gatsby being the same.

Going to Mike Redburn's website .... Tools Tap/Dies 8.5 x 1 mm .... this statement is made beside the 8.5mm x 1 tap listed --

"8.5x1mm for the Baron/Sedona Navigator style pens and the Sierra style transmission threads"

With regard to the Gatsby, the PSI blurb reads:

"... the Gatsby [Twist] Pen Kit exhibits mystery, flair and elegance ..." :biggrin:

but their instruction sheet doesn't help much ... looks like the Gatsby transmission is somewhat different from the Sierra.

I see from here ... https://www.woodnwhimsies.com/media/Instructions/Monet.pdf ...

that the Monet transmission looks similar (in size only) to the slimline transmission and is totally different from the Sierra.

Seems that I should never have joined this thread !!!! . . "I didn't know that Healthcare could be so complicated !" . :biggrin:

 

[magpens]

Aha .... INTERESTING .... I just checked an ExoticBlanks Zodiac transmission (which appears to be VERY like the Monet transmission) ...

I get the same measurements as the OP !!!!! .... 0.270" thread OD (7mm would be close) with a pitch of 0.5 mm

This is a totally different transmission from the Sierra twist that I measured first and I was totally wrong to think that measurement would apply to the Monet / Gatsby (which themselves seem to be very different from each other based on the instruction sheets).

So, Doug, I hope this confirms your measurements and that you can proceed.

Please post a picture of your modified pen !!! . Good luck !!

This has been a fun and instructive exercise !