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Re: TR6 transmission and OD bench testing

To: "Power British Performance Parts, Inc." <britcars@powerbritish.com>, Triumphs <triumphs@autox.team.net>
Subject: Re: TR6 transmission and OD bench testing
From: "Michael Ferguson" <fergie@ntplx.net>
Date: Fri, 18 Feb 2000 19:48:53 -0500
I tested mine with a 3/8' Milwaukee variable speed drill. Max RPM only 1000,
but LOTS of torque! Didn't move too fast, but it was enough to engage the OD
in 2/3/4. Good luck.

Michael Ferguson

----------
>From: "Power British Performance Parts, Inc." <britcars@powerbritish.com>
>To: Triumphs <triumphs@autox.team.net>
>Subject: Re: TR6 transmission and OD bench testing
>Date: Fri, Feb 18, 2000, 12:26 PM
>

>
> Rob Christopher wrote:
>
>> Thanks to all who responded on this, including the pics from Power British.
A
>> little more than I want to build just to do a five minute test, but
> showed me it's
>> just a matter of putting an electirc motor of some sort on either the input
or
>> output of the tranny.
>>
>> But now one more question.  If I just go the BFD (big frikkin' drill) on
> the input
>> shaft route, which direction do I have to spin the input shaft?  I want
> to test the
>> OD while it's mounted on the tranny and know it's a really bad idea to run
the OD
>> in "reverse", (one way clutch can implode?) so which way do I spin the
> shaft to not
>> destroy my freshly rebuilt J-type?
>>
>> Rob Christopher
>> 74.5 TR6  CF27218UO
>> Ottawa, ON   (10 more cm of the white stuff tonite)
>
> Rob,
>
> If you drive the trans from the output shaft (driveshaft end), you MUST run
> the drill
> counterclockwise.  Damage to the OD will occur if you try to engage it running
the
> other way.  If you are driving it from the input shaft (bellhousing end),
> then you must
> run the drill clockwise.  You can drive either end properly provided you go
> only in the
> right direction.  Note that if you use the drill technique, you'll need a
pretty
> powerful 1/2" drill minimum or you won't get enough speed to build pressure
> in the OD
> hydraulic circuit.  About 1500 RPM under load should do just fine.  1200 might
be
> enough - I say 'might' - I wouldn't say you have a problem if it won't work at
that
> speed - switch to a bigger drill before you suspect a problem in the OD.
>
>
> Regards,
>
> Brian Schlorff    '61 TR-4     '64 TR-4     '72 TR-6     '79 Spit
> ---------------------------------------------------------------------
>      Power British                         Check out Power British
>    1242 E. Ridge Pike                            on the 'net!
> Plymouth Meeting, PA 19462
>     (610) 270-0505                http://www.powerbritish.com/~britcars
> ---------------------------------------------------------------------
>
> 

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