Re: Handbrakes

Bruce Smith


Since about 2005, a list of the AAR interchange rule dates has been posted in the FILES section of this group 😉 It is even in both WORD and EXCEL formats depending on your preference.

That file, when searched for "geared" or "power" yields the following:

January 1, 1937, "Geared handbrakes required on all newly-built or newly-rebuilt cars."

There is no subsequent ban (AAR interchange) or outlaw (Federal law) date given for geared handbrakes.

As a reminder to some of our list members, geared (or "power") handbrakes does NOT mean exclusively horizontal shaft/vertical wheel handbrakes. Many vertical shaft/horizontal wheel installations had gearing to assist the brakeman in applying the brakes and would therefore have been considered "allowed" under these rules.

Bruce Smith
Auburn, AL

From: <> on behalf of Bob Chaparro via Groups.Io <chiefbobbb@...>
Sent: Saturday, July 6, 2019 1:48 AM
Subject: [RealSTMFC] Handbrakes

I understand that in 1937 power (geared) handbrakes required on all newly-built or newly-rebuilt cars.

Were non-power handbrakes every specifically outlawed or banned?

Bob Chaparro

Hemet, CA

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