Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-02 Thread Patrick Moore
That I know. The premise is a dingle and a double chainring where you have
2 combinations adding up to the same number of teeth.

On Sat, Feb 2, 2019 at 6:35 PM Eric Daume  wrote:

> If you make a dinglesoeed with the same teeth count, an ENO will be fine.
> However, it still may require tension adjustment when you change gears
> (though the gear teeth add up to the same number, the actual chain length
> still changes slightly).
>
> But if you’re trying to accommodate different teeth count, the ENO won’t
> have the necessary throw for adjustment. As a simplified example, if you
> had a 38t single front ring and a 16/19 rear dingle, an ENO is not going to
> cut it.
>
> Eric
>
> On Saturday, February 2, 2019, Patrick Moore  wrote:
>
>> I've set up several single speed and fixed gear drivetrains with ENOS on
>> vertical dropout frames using non-White-Industry cranks and have always
>> managed to get very good chainlines by simply choosing the right bb spindle
>> length. Sure, I've used only a single ring and single cog, but with 2 rings
>> and a Dingle, just nudge the bb over a smidgen to compensate, if necessary.
>>
>> I don't see what the problem is! What am I missing here?
>>
>> On Sat, Feb 2, 2019 at 5:30 PM ian m  wrote:
>>
>>> If you don't care about chain line, then sure. The White Ind double
>>> chainring gives perfect chain line across two separate gears. I don't think
>>> that would be possible with a standard double crankset. Here's a not great
>>> photo of the set up
>>>
>>> [image: CAM00162_zpsa88332ab.JPG]
>>>
>>> Hard to see but chainline is on target and perfectly straight, larger
>>> cog is to the left and almost touching the chain, the smaller chainring is
>>> the same up front. Machined to very specific tolerances to make what we are
>>> talking about work as best it can.
>>>
>>> On Saturday, February 2, 2019 at 6:43:06 PM UTC-5, Patrick Moore wrote:

 No, I mean run, say a 17/20 in back and a, say, 42/39 in front, on a
 Sugino or Pro 5 Vis or old Suntour XC Pro or what have you; ENO + Dingle
 back and Pro 5 Vis front, say. No need as far as I can see for a White
 Industries.

 On Sat, Feb 2, 2019 at 1:42 PM ian m  wrote:

> Sure, you could run a triple crank up front and use a derailer to take
> up slack, if you were so inclined. The White Industries solution just
> happens to be not only incredibly practical but also elegant. Keeps your
> chain length the same, keeps your chain line straight, gives you two gears
> that are generally very well suited to either flats/hills or onroad/off. 
> No
> chain slop and very easy to use.
>
> I've also been considering a fixed winter bike via the Paul fixed rear
> hub on an old MTB. Sounds delightfully ridiculous
>
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 --- J.R.R. Tolkien
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>>
>>
>> --
>>
>>
>>
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>> **
>>
>>
>>
>>
>>
>> *Still 'round the corner there may waitA new road or a secret gate,And
>> though we pass them by today,Tomorrow we may come this wayAnd take the
>> hidden paths that runTowards the Moon or to the Sun.*
>> --- J.R.R. Tolkien
>> 

Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-02 Thread Eric Daume
If you make a dinglesoeed with the same teeth count, an ENO will be fine.
However, it still may require tension adjustment when you change gears
(though the gear teeth add up to the same number, the actual chain length
still changes slightly).

But if you’re trying to accommodate different teeth count, the ENO won’t
have the necessary throw for adjustment. As a simplified example, if you
had a 38t single front ring and a 16/19 rear dingle, an ENO is not going to
cut it.

Eric

On Saturday, February 2, 2019, Patrick Moore  wrote:

> I've set up several single speed and fixed gear drivetrains with ENOS on
> vertical dropout frames using non-White-Industry cranks and have always
> managed to get very good chainlines by simply choosing the right bb spindle
> length. Sure, I've used only a single ring and single cog, but with 2 rings
> and a Dingle, just nudge the bb over a smidgen to compensate, if necessary.
>
> I don't see what the problem is! What am I missing here?
>
> On Sat, Feb 2, 2019 at 5:30 PM ian m  wrote:
>
>> If you don't care about chain line, then sure. The White Ind double
>> chainring gives perfect chain line across two separate gears. I don't think
>> that would be possible with a standard double crankset. Here's a not great
>> photo of the set up
>>
>> [image: CAM00162_zpsa88332ab.JPG]
>>
>> Hard to see but chainline is on target and perfectly straight, larger cog
>> is to the left and almost touching the chain, the smaller chainring is the
>> same up front. Machined to very specific tolerances to make what we are
>> talking about work as best it can.
>>
>> On Saturday, February 2, 2019 at 6:43:06 PM UTC-5, Patrick Moore wrote:
>>>
>>> No, I mean run, say a 17/20 in back and a, say, 42/39 in front, on a
>>> Sugino or Pro 5 Vis or old Suntour XC Pro or what have you; ENO + Dingle
>>> back and Pro 5 Vis front, say. No need as far as I can see for a White
>>> Industries.
>>>
>>> On Sat, Feb 2, 2019 at 1:42 PM ian m  wrote:
>>>
 Sure, you could run a triple crank up front and use a derailer to take
 up slack, if you were so inclined. The White Industries solution just
 happens to be not only incredibly practical but also elegant. Keeps your
 chain length the same, keeps your chain line straight, gives you two gears
 that are generally very well suited to either flats/hills or onroad/off. No
 chain slop and very easy to use.

 I've also been considering a fixed winter bike via the Paul fixed rear
 hub on an old MTB. Sounds delightfully ridiculous

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>>>
>>>
>>> --
>>>
>>>
>>>
>>>
>>> **
>>>
>>>
>>>
>>>
>>>
>>> *Still 'round the corner there may waitA new road or a secret gate,And
>>> though we pass them by today,Tomorrow we may come this wayAnd take the
>>> hidden paths that runTowards the Moon or to the Sun.*
>>> --- J.R.R. Tolkien
>>> ---
>>> Resumes, LinkedIn profiles, bios, and letters that get interviews
>>> By-the-hour resume and LinkedIn coaching
>>> Other professional writing services
>>> Expensive! But good.
>>> http://www.resumespecialties.com/
>>> Patrick Moore
>>> Alburquerque, Nuevo Mexico, Etats Unis d'Amerique
>>>
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>>
>
>
> --
>
>
>
>
> **
>
>
>
>
>
> *Still 'round the corner there may waitA new road or a secret gate,And
> though we pass them by today,Tomorrow we may come this wayAnd take the
> hidden paths that runTowards the Moon or to the Sun.*
> --- J.R.R. Tolkien
> ---
> Resumes, LinkedIn profiles, bios, and letters that get interviews
> By-the-hour resume and LinkedIn coaching
> Other professional writing services
> Expensive! But good.
> http://www.resumespecialties.com/
> Patrick Moore
> Alburquerque, Nuevo Mexico, Etats Unis d'Amerique
>
> --
> You received this 

Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-02 Thread 'Deacon Patrick' via RBW Owners Bunch
Thanks, all. I, obviously in asking the question, suspected as much and hoped 
for more. It looks more and more like I shall embrace delighted contentment 
with the Hunqabeam for my riding, including the underbiking bits when they 
come. Considering it handles with aplumb 95% of my milage, it’s an excellent 
position to be in. Grin. Still haven’t given up on a fixed gear Boots, but the 
options for proceeding are dwindling.

With abandon,
Patrick

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Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-02 Thread lconley
The Eno basically has four positions, two for each chain length or cog size. 
For the short chain or large cog, the Eno is positioned forward and can be 
either up or down to adjust chain tension. For the long chain or small cog, the 
Eno is positioned rearward and again, can be positioned up or down to adjust 
the chain tension. I use the rear down position on my Eno because 1) it 
maximizes clearance at the brake bridge and I am using oversized tires and 2) I 
can use the bike weight to tension the chain by putting the bike upright on the 
tires while I tighten the the hub to the frame - the weight of the bike wants 
to rotate the eccentric rearward and that tensions the chain. The forward up 
position would do the same if I had the tire clearance. As others have pointed 
out, brake shoe adjustment would be a problem. The only way I see to get two 
speeds without adjusting the brake shoes is to use two cogs and two chainrings 
so that the eccentric ended up in close to the same position for the two 
combinations. 

Laing
Coco, FL

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Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-01 Thread Eric Daume
I'm going to third (fourth?) what Patrick said. The ENO is a clever
solution to finding one gear choice on a bike with vertical dropouts. I
used it that way on my Gunnar Crosshairs. But when I wanted to play with
manual gear changes, I de-eccentric'd my ENO and used that wheel in a Surly
Cross Check (long, forward facing horizontals), and was much happier,
overall.

Eric

On Fri, Feb 1, 2019 at 8:23 PM Jim M.  wrote:

> I'll echo previous comments. I think the ENO is designed to allow enough
> slack to get a fixed gear wheel out of the dropouts. It's not meant to
> allow for on the fly gear changes, like the Quickbeam. If you're maxing out
> tire size, the little bit of horizontal and vertical adjustment can cause
> tire rub on the chainstays, or rub on fenders or rear brake bridge. When my
> ENO bike is in the workstand, I use a 19mm wrench on the cams to hold the
> proper tightness. I think it helps, but that's a big wrench to pack for a
> ride.
>
> As Patrick Moore noted, you could probably use a a double/double that
> equaled the same number of teeth. Still, if I had 85 lbs of bike with an
> ENO, I'd probably just push rather than change gears on a snowy trailside.
>
> jim m
> wc, ca
>
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Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-01 Thread Jim M.
I'll echo previous comments. I think the ENO is designed to allow enough 
slack to get a fixed gear wheel out of the dropouts. It's not meant to 
allow for on the fly gear changes, like the Quickbeam. If you're maxing out 
tire size, the little bit of horizontal and vertical adjustment can cause 
tire rub on the chainstays, or rub on fenders or rear brake bridge. When my 
ENO bike is in the workstand, I use a 19mm wrench on the cams to hold the 
proper tightness. I think it helps, but that's a big wrench to pack for a 
ride. 

As Patrick Moore noted, you could probably use a a double/double that 
equaled the same number of teeth. Still, if I had 85 lbs of bike with an 
ENO, I'd probably just push rather than change gears on a snowy trailside.

jim m
wc, ca

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Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-01 Thread jamison brosseau
My experience is similar to Patrick’s.  I had an ENO hub on a Jamis sport 
touring bike.  I had a difficult time getting my chain tension the way I wanted 
for fixed gear riding.  Either too tight causing unnecessary friction or too 
loose feeling shady when I would try to skid stop.  I am sure a more patient 
person could have gotten it to work fixed, but I couldn’t imagine trying to 
change it much once I had gotten it right.
I ended up running the bike as a single speed and the ENO worked well in that 
capacity.  I found that when I switched from a 16t freewheel to an 19 I had to 
extend my chain.  

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Re: [RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-01 Thread Patrick Moore
To tighten the chain, you rotate the hub around the axle and the dropout;
because the axle is in an eccentric, this makes the frame rise or drop on
the axle. While holding the wheel in place (and thus, keeping the chain
taut) you tighten the allen nuts.

IME (I used the ENO on 2 frames) 2 teeth difference is the max that the ENO
can handle; and depending on the chain and the ring and the cog, sometimes
it can't even accommodate 2 teeth. It couldn't for the early '90s Diamond
Back mtb frame I used it with

Overall, for things you can count on, I would count on the ENO to take up
slack for a single cog; but I would not count on it being able to
accommodate a second cog , at least one that is 2 teeth larger or smaller
than the first.

Also, moving the wheel/rim may put the rim out of place for rear brake
pads; I fixed this by removing the rear brake (I used fixed cogs).

Also, moving the wheel means to move it up or down relative to the ground;
this may mean, depending on clearances, that your tire rubs against the
fender or even the seatstay bridge. When I installed fenders on the 1995
Riv Road custom, I had to be careful to rotate the wheel downward, against
gravity, instead of letting it naturally rotate upward as the weight of the
frame/bike would cause it to do. If it rotated upward, it would rub against
the fender.2 co

You may be able to get away with a 2 ring/ 2 cog arrangement, if the
respective combinations add up to the same teeth. But note that tightening
the chain with an ENO is slightly more complex an operation than when
tightening it by means of an axle sliding on a long dropout. With 85 lb, I
daresay it might be cumbersome. Personally, while I think that the ENO is a
wonderful devise, I would hesitate to recommend it for anything more
complex than taking up slack for a single cog and ring.

On Fri, Feb 1, 2019 at 4:31 PM 'Deacon Patrick' via RBW Owners Bunch <
rbw-owners-bunch@googlegroups.com> wrote:

> ...
> - What is the process for tightening the chain?
> - What would that process look like with a dingle cog 2x2 set-up? I
> presume I’d have to drop the rear wheel out, shift the chain, put the wheel
> back, then tighten the chain. Keep in mind the bike is 85 lbs total and I
> likely need to lay it down to change gears.
>

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[RBW] Eccentric ENO Hub and Fixed Gear Bikepacking

2019-02-01 Thread 'Deacon Patrick' via RBW Owners Bunch
Backstory: Before I swapped the dropouts on my Hunqapillar to horizontal I, and 
Grant, talked with White Ind. about using their eccentric hub for fixed gear 
bikepacking. We were both told absolutely not, it will fail.

Update: Grant recently followed up with them and asked specifically what would 
fail. Nothing in the hub, it turns out, they were concerned about aluminum 
dropouts, despite knowing this is on a Rivendell, thus has to be steel. Sigh.

The horizontal dropout on Boots ain’t happening, so I have questions about the 
ENO hub for those who have experience with one (speculation doesn’t help here, 
actual experience only please):

- What is the process for tightening the chain?
- What would that process look like with a dingle cog 2x2 set-up? I presume I’d 
have to drop the rear wheel out, shift the chain, put the wheel back, then 
tighten the chain. Keep in mind the bike is 85 lbs total and I likely need to 
lay it down to change gears.

Anything else I should think about?

With abandon,
Patrick

www.CatholicHalos.org
www.MindYourHeadCoop.org

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