Re: [CR] Fwd: More Huret Jubilee Mysteries - Can Anyone Solve ?

<jerrymoos@sbcglobal.net> Cc: <classicrendezvous@bikelist.org> Sent: Wednesday, September 23, 2009 7:31 PM Subject: Re: [CR] Fwd: More Huret Jubilee Mysteries - Can Anyone Solve ?

> OK, fellow riders, here's what I have.
> The part # is either 23 or 2845.
> The second # on the original factory packet wasn't printed all the way and
> I can't pick it up with a 16x loupe.
> It's a black bolt about 14mm overall with a 2mm shoulder. From shoulder to
> end is about 12mm. It inserts into the top of the derailleur, screws into
> the threaded dropout derailleur eyelet, you set the swivel looseness you
> want , hold the bolt tite with your allen and titen the inside allen to
> expand the slotted thread and fix it in the eyelete so it stays in
> adjustment for swivel play.
> I don't have a Huret schematic available to look it up.
> I dont have any of the washers with tabs to set the derailleur angle. The
> Jubilee I thought had a stop built into the unit to take care of that.
> If that's the part you'd like I have 4 or 5 available.
> Please let me know.
> Ted Ernst
> Palos Verdes Estates
> CA USA
> ----- Original Message -----
> From: "Louis Schulman" <louiss@gate.net>
> To: "Jerome & Elizabeth Moos" <jerrymoos@sbcglobal.net>
> Cc: <classicrendezvous@bikelist.org>
> Sent: Wednesday, September 23, 2009 5:33 PM
> Subject: Re: [CR] Fwd: More Huret Jubilee Mysteries - Can Anyone Solve ?
>
>
>> Just so. The Huret bolt has no shoulder, so if you tighten it all the
>> way down, the derailleur can't move. Huret really loved adjustable lock
>> nuts. They put them all over the place where other manufacturers just
>> used fixed length parts. It does allow you to set the play exactly.
>>
>> Louis Schulman
>> Tampa, Florida USA
>>
>> Jerome & Elizabeth Moos wrote:
>>> So why was this necessary on threaded DO'S? Campy NR/SR and Japanese
>>> RD's didn't need such a nut. I believe on those RD's the thread on the
>>> upper pivot bolt bottomed out against the DO just slightly before the RD
>>> body was pulled against the DO, allowing free movement of the RD. The
>>> nut on Huret, except in the case of unthreaded Simplex DO's, would only
>>> have been required because Huert failed to design the pivot bolt with
>>> the proper length of threaded section.
>>>
>>> Regards,
>>>
>>> Jerry Moos
>>> Big Spring, Texas, USA
>>>
>>> --- On Wed, 9/23/09, iamnofred@aol.com <iamnofred@aol.com> wrote:
>>>
>>>
>>>> From: iamnofred@aol.com <iamnofred@aol.com>
>>>> Subject: [CR] Fwd: More Huret Jubilee Mysteries - Can Anyone Solve ?
>>>> To: classicrendezvous@bikelist.org
>>>> Date: Wednesday, September 23, 2009, 5:38 PM
>>>>
>>>>
>>>>
>>>>
>>>> The small nut inside the DO was there to lock in the DO to
>>>> allow the derailleur to pivot freely.
>>>>
>>>> ?
>>>>
>>>> In overcast 80 degree lovely riding weather
>>>>
>>>> Gary Smith
>>>>
>>>> TLC for Bikes
>>>>
>>>> Raleigh NC
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: John Thompson <johndthompson@gmail.com>
>>>> To: Classicrendezvous@bikelist.org
>>>> Sent: Wed, Sep 23, 2009 6:05 pm
>>>> Subject: Re: [CR] More Huret Jubilee Mysteries - Can Anyone
>>>> Solve ?
>>>>
>>>>
>>>>
>>>>
>>>> Jerome & Elizabeth Moos wrote:
>>>>
>>>>> [the] Jubilee, I believe had different bodies for each
>>>>>
>>>> DO type, with
>>>>> the tab for the stop actually incorporated into the
>>>>>
>>>> body.
>>>>
>>>> The one Jubilee I have here does not have a stop on the
>>>> body, instead
>>>> using the familiar tabbed washers to accommodate different
>>>> dropout types.
>>>>
>>>>
>>>>> The other strange thing about the Jubilee, and maybe
>>>>>
>>>> other Huret
>>>>
>>>>> RD's, is it usually came with a nut that threaded onto
>>>>>
>>>> the pivot bolt
>>>>
>>>>> from inside the DO. This was somewhat like the nut
>>>>>
>>>> used by Simplex
>>>>
>>>>> RD's. But in the case of Simplex the nut was
>>>>>
>>>> used because the RD was
>>>>
>>>>> primarily designed for Simplex DO's, even though
>>>>>
>>>> Simplex RD's work
>>>>
>>>>> fine on Campy and Huret DO's as well. Simplex DO's
>>>>>
>>>> were unthreaded,
>>>>
>>>>> so the nut inside the DO was the only way to secure
>>>>>
>>>> the pivot bolt to
>>>>
>>>>> the DO. But I'm pretty sure I've seen Jubilees
>>>>>
>>>> with the nut, even on
>>>>
>>>>> threaded Huret and Campy DO's. Anyone know the
>>>>>
>>>> purpose of this?
>>>>
>>>> This was also used on some Duopar units. The small,
>>>> Allen-headed bolt
>>>> threads into the back side of the mounting bolt, which is
>>>> longitudinally
>>>> split on the threaded section. The small bolt has a tapered
>>>> head, which
>>>> fits into a tapered recess on the back of the mounting
>>>> bolt. When
>>>> tightened, this spreads the mounting bolt, preventing it
>>>> from loosening.
>>>>
>>>>
>>>> --
>>>> John Thompson (john@os2.dhs.org)
>>>> Appleton WI USA