[Fot] A-Type O/D Testing

[Charly Mitchel]

I spin my transmission @ about 1500 rpm, I use a heavy duty drill motor to 
spin the shaft with.  On the MG OD transmission, I spin from the flange 
making sure I'm not spinning backwards.
Charly Mitchel
----- Original Message ----- 
From: "Glenn Franco" <gaf3 at charter.net>
To: "Friends of triumph" <fot at autox.team.net>; <6pack at autox.team.net>
Sent: Sunday, June 22, 2014 3:06 PM
Subject: Re: [Fot] A-Type O/D Testing


> Let me try this again since the site has been down.
>
> On 6/19/2014 5:02 PM, Glenn Franco wrote:
>> Group
>> I'm trying to bench test an A type that I overhauled this past winter 
>> from a box of parts.
>> I also have an A type that I took out of a 71 TR6 that I would like to 
>> test before using them in any cars.
>>
>> 1st dumb question
>> What do you think the minimum input shaft speed needs to be to allow the 
>> O/D to engage.
>>
>> I fabricated an adapter from a clutch hub and various pieces of steel on 
>> a lathe to drive the trans from the input shaft.
>>
>> I'm spinning the adapter with a large 1/2 inch drill but the max drill 
>> speed is only a little over 500 RPM which is probably not enough.
>>
>> I get oil flow up the operating valve when the plug is removed but no 
>> engagement. This is the result of spinning both transmissions.
>>
>> Any suggestions/more RPM's
>> Thanks Glenn
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