BNSF 553’s So Called RS3E

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Leslie S5A
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BNSF 553’s So Called RS3E

Postby Leslie S5A » Mon May 14, 2018 2:40 am

I’ve recently seen a video where BNSF 553 has a Leslie 3 chime horn that sounds like the S3E from the early 50’s. But I can assure you that this is in fact a Leslie S3L with the 44 bell replaced with the 37 bell. Giving the horn a unique sound.

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Re: BNSF 553’s So Called RS3E

Postby LeslieS5aFan » Mon May 14, 2018 7:28 am

Leslie S5A wrote:I’ve recently seen a video where BNSF 553 has a Leslie 3 chime horn that sounds like the S3E from the early 50’s. But I can assure you that this is in fact a Leslie S3L with the 44 bell replaced with the 37 bell. Giving the horn a unique sound.

That's what they mean by a s3e. A s3l with a 37 bell.

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Leslie S5A
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Re: BNSF 553’s So Called RS3E

Postby Leslie S5A » Mon May 14, 2018 12:39 pm

And to tell you my opinion, I think the S3E should still be in production. It’s that easy to replicate it.

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Mafarnz
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Re: BNSF 553’s So Called RS3E

Postby Mafarnz » Mon May 14, 2018 1:18 pm

S3E was only made in the early 1950's in the era of three digit bells. It used the 247, 277, 370. The only one of those that is still in production today is the 37 (same as a 370). A modern day 25 comes close to a 247 but is a but sharp.

Using modern day bells 25, 31, 37 gives a close approximation but is still off.
Matt F
Pullman WA
Long live the BN and the RS3K!

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Leslie S5A
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Re: BNSF 553’s So Called RS3E

Postby Leslie S5A » Tue May 15, 2018 10:02 pm

Yes. That is true.

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Re: BNSF 553’s So Called RS3E

Postby LeslieS5aFan » Thu May 17, 2018 10:34 am

Mafarnz wrote:S3E was only made in the early 1950's in the era of three digit bells. It used the 247, 277, 370. The only one of those that is still in production today is the 37 (same as a 370). A modern day 25 comes close to a 247 but is a but sharp.

Using modern day bells 25, 31, 37 gives a close approximation but is still off.

Just make the 25, 31, 37 bell combo and make it have s chambers and lower the 25 bell to a b note.

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Mafarnz
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Re: BNSF 553’s So Called RS3E

Postby Mafarnz » Thu May 17, 2018 2:09 pm

LeslieS5aFan wrote:Just make the 25, 31, 37 bell combo and make it have s chambers and lower the 25 bell to a b note.


To make a 25 bell play a B requires lengthing it by 2 inches.

A 31 bell plays a D#, a 277 bell plays a C#. So the 31 bell is a full step flat.
Matt F
Pullman WA
Long live the BN and the RS3K!

LeslieS5aFan
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Re: BNSF 553’s So Called RS3E

Postby LeslieS5aFan » Thu May 17, 2018 2:22 pm

Mafarnz wrote:
LeslieS5aFan wrote:Just make the 25, 31, 37 bell combo and make it have s chambers and lower the 25 bell to a b note.


To make a 25 bell play a B requires lengthing it by 2 inches.

A 31 bell plays a D#, a 277 bell plays a C#. So the 31 bell is a full step flat.

The s3e also had the 247, 311, and 370 bells at one point.

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Mafarnz
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Re: BNSF 553’s So Called RS3E

Postby Mafarnz » Thu May 17, 2018 2:37 pm

LeslieS5aFan wrote:
The s3e also had the 247, 311, and 370 bells at one point.


An S3E is bells 247, 277, 370. If a Leslie three chime has something other than these three, then it’s not an S3E.

247, 311 and 370 is an unnamed three chime that was never offered by Leslie.
Matt F
Pullman WA
Long live the BN and the RS3K!

LeslieS5aFan
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Re: BNSF 553’s So Called RS3E

Postby LeslieS5aFan » Sun May 20, 2018 8:12 pm

Mafarnz wrote:
LeslieS5aFan wrote:
The s3e also had the 247, 311, and 370 bells at one point.


An S3E is bells 247, 277, 370. If a Leslie three chime has something other than these three, then it’s not an S3E.

247, 311 and 370 is an unnamed three chime that was never offered by Leslie.

http://locomotivehorns.info/leslie/leslie_r-512_p3.pdf


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