1938-1940 Huffman Twin Flex Thread

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Freqman1

Riding a '37 Dayton Super Streamline
This is a bike I've been interested in for some time. The model has an interesting beginning with a rocky start and total recall (-1) of the original design. I would like to gather enough material to do a monograph on these. Please limit discussion/photos to the 1938-1940 Huffman built Twin Flex models. Badges include Airflyte, National, Dayton, Firestone, Dixie Flyer, Snell, Macys, etc... I am particularly interested in seeing original paint bikes with serial numbers as well as fork crown numbers. The fork crown number is about the most accurate way to date one of these unless it was originally equipped with a Morrow hub.

The genesis of this effort was a question posed concerning the straight down tube vice curved down tube of the '38 boys models. Based on some literature I have and feedback from others it appears the straight downtube is indicative of the April/May '38 bikes. After the initial debacle of the "Death Bike" design it appears Huffman did a quick re-design and introduced the revision in April '38 as a '39 model. Based on equipment changes in the '39 cat I still classify the earlier bikes as '38s.

I also want to include the '40 model even though it is a significantly different bike in many respects. Most think of these as strictly "big tank" bikes but it appears there were some built with the three rib "zephyr" (bump) tank as well. V/r Shawn

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Freqman1

Riding a '37 Dayton Super Streamline
Thanks for the posts guys. I would love to see some fork crown/serial numbers for these. I suppose one question that needs to be answered is does anyone have a straight down tube bike with a fork crown number later than May/June '38? V/r Shawn
 

Freqman1

Riding a '37 Dayton Super Streamline
My original Twin Flex has a H3 Morrow Hub and 98
On the Fork Crown. Shoots your theory in the foot.
Pic? This is why I'm trying to do the research. Maybe with enough data the question of straight bar vs. curved bar could be answered definitively--maybe not. V/r Shawn
 

Freqman1

Riding a '37 Dayton Super Streamline

Freqman1

Riding a '37 Dayton Super Streamline
I'm at about 80% on my monograph but still looking for a few answers. One is the '38 catalog shows many models with the Dayton style chainring yet all '38s I've seen except the "Death Bike" have the typical Huffman ring. Anyone have an original '38 TF with the Dayton ring? V/r Shawn

Dayton Ring

1937daytonssberg6.jpg


Huffman Ring

1937%20firestone%20ss%20green%2013.jpg


Just found one in my archives--Larkin's '38 camelback model has the Dayton style ring. Others?
 
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New Mexico Brant

Cruisin' on my Bluebird
Here is a badged Davis Flyer I own with a straight bar. The fork is dated 11 8 (November 1938). The Morrow hub has a date code: I2. The frame, fork, and fenders are in very good original paint. I suspect the tank, chain guard (not shown), and rear rack are not original to the bicycle.

The bike has the sweetheart chain ring. Shawn where does the “Dayton” nomenclature originate? I have never heard this term used for this type of chainring. "Dayton" seems a bit problematic as the same chainring was used by Monark on their early Silver King (1934-35, and possibly 1936) models.

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Sent from my iPhone using Tapatalk
 
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slick

Riding a '38 Autocycle Deluxe
I saw it on facebook.... its gotta be true. LOL
 

Freqman1

Riding a '37 Dayton Super Streamline
Here is a badged Davis Flyer I own with a straight bar. The fork is dated 11 8 (November 1938). The Morrow hub has a date code: I2. The frame, fork, and fenders are in very good original paint. I suspect the tank, chain guard (not shown), and rear rack are not original to the bicycle.

The bike has the sweetheart chain ring. Shawn where does the “Dayton” nomenclature originate? I have never heard this term used for this type of chainring. "Dayton" seems a bit problematic as the same chainring was used by Monark on their early Silver King (1934-35, and possibly 1936) models.

View attachment 1042036
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Sent from my iPhone using Tapatalk
Brant in the context of Huffmans that's just how I refer to them but you are right it is confusing and 'sweetheart' is more appropriate. I am about 90% on my monograph--working on the '40 models now. I have a lot of the early questions answered but '40 presents some real challenges. I'll be reaching out to a few people for help as I nail this down. Thanks, Shawn
 
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