[RBW] Re: Frank Jones track end

[iamkeith]

That's speaking your peace and countin' to three for certain!

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[RBW] Re: Frank Jones track end

[Philip Williamson]

Amen to making a new thing nicer than the old thing. Amen to calling a dropout 
a dropout. I mean... I can drop the wheel out of the Quickbeam by lifting the 
front end. 

I do think the new Frank Jones is bonified. “He’s a suitor!” 

Philip
Santa Rosa, CA

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[RBW] Re: Frank Jones track end

[Grant @ Rivendell]

The QB and SimpleOne dropouts were water-jet cut in Woodinville, Washington 
according to a drawing we sent them, and they worked well. They have a "no 
funny business" look about them that, without being at all ugly, didn't 
seem a good match with the rest of the stuff on the new FRANK...so BLUE LUG 
and us split the cost of the new mold, and we came up with the new one. The 
function and joint geometry determine the overall shape, the length of the 
slot is within a mm or two of the oldie--and ought to absorb an 8T 
difference, like QB did. Then we went at it to make it look good. It was a 
collaborative effort btw me, a guy named Dan, Roman, and Will (who 
ultimately made the final aesthetic tweak-call). Internally, we call it the 
"alligator dropout." 
On "dropout": Sheldon was steadfast in his not liking track "fork ends" to 
be called dropouts, because the horizontal slot doesn't allow an unchanged 
wheel to, literally, drop OUT of the thing. I do my own honoring of Sheldon 
with his favored (and now mine) "derailer," but to me, "track ends" is in 
the same category as "tyre," "seat pin," "rear mech." Somebody recently 
pointed out to me that my favored "catalogue," with a perfect run for more 
than 28 years, is in the same boat, so -- nothing against the English, but 
I'm back to "catalog."  No biggie, either.

On Wednesday, February 14, 2018 at 9:27:56 AM UTC-8, jandrews_nyc wrote:
>
> Just curious why the original QB/SO track end was redesigned...
> Does anyone know how the new one changes the flexibility of 
> gearing...isn't it still an 8 tooth difference while maintaining brake pad 
> position?
> Maybe it's so they could extend the chain stays?
>

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[RBW] Re: Frank Jones track end

[Wally Estrella]

I love that the QB cast BB has cable guides.

On Wednesday, February 14, 2018 at 12:54:50 PM UTC-5, Joe Bernard wrote:
>
> I believe Blue Lug requested a true singlespeed track end design. This 
> isn't intended to be a 4-speed like the Quickbeam. 

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[RBW] Re: Frank Jones track end

[Bill Lindsay]

Jeremy said:  "the QB's were made in Japan by Toyo"

I respectfully disagree slightly, leaning (as always) on Saint Sheldon:

AASHTA 

"The Quickbeam frame is made by Panasonic in Japan"



On Wednesday, February 14, 2018 at 9:49:55 AM UTC-8, Jeremy Till wrote:
>
> Well, (at least the green and orange) the QB's were made in Japan by Toyo, 
> so I'd imagine that their current Taiwanese supplier has a different supply 
> chain for frame parts than did Toyo at the time.  Secondly, the newer 
> dropout is hooded, like the dropouts on the Clem and Appaloosa, which 
> allows the dropout to be TIG welded to the stays rather than brazed.  I 
> think it also allows the dropout to fit a wider range of angles between the 
> stays without modification.  I'm not an expert in frame manufacturing and 
> I'm not sure how the costs balance against the cost of doing a new dropout 
> casting, but I'd imagine at least some of it is motivated by streamlining 
> the manufacturing process.  
>
> Finally, the new dropout has double eyelets whereas the QB ends had single 
> eyelets.
>
> On Wednesday, February 14, 2018 at 9:27:56 AM UTC-8, jandrews_nyc wrote:
>>
>> Just curious why the original QB/SO track end was redesigned...
>> Does anyone know how the new one changes the flexibility of 
>> gearing...isn't it still an 8 tooth difference while maintaining brake pad 
>> position?
>> Maybe it's so they could extend the chain stays?
>>
>

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[RBW] Re: Frank Jones track end

[iamkeith]

First production QBs ended up being made by Panasonic, I believe.

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[RBW] Re: Frank Jones track end

[Jeremy Till]

Well, (at least the green and orange) the QB's were made in Japan by Toyo, 
so I'd imagine that their current Taiwanese supplier has a different supply 
chain for frame parts than did Toyo at the time.  Secondly, the newer 
dropout is hooded, like the dropouts on the Clem and Appaloosa, which 
allows the dropout to be TIG welded to the stays rather than brazed.  I 
think it also allows the dropout to fit a wider range of angles between the 
stays without modification.  I'm not an expert in frame manufacturing and 
I'm not sure how the costs balance against the cost of doing a new dropout 
casting, but I'd imagine at least some of it is motivated by streamlining 
the manufacturing process.  

Finally, the new dropout has double eyelets whereas the QB ends had single 
eyelets.

On Wednesday, February 14, 2018 at 9:27:56 AM UTC-8, jandrews_nyc wrote:
>
> Just curious why the original QB/SO track end was redesigned...
> Does anyone know how the new one changes the flexibility of 
> gearing...isn't it still an 8 tooth difference while maintaining brake pad 
> position?
> Maybe it's so they could extend the chain stays?
>

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