Check out the thread on the forum archives
"Speeding up the Rotax 914 Vacuum Pump PTO".
There I write that the 914 Vacuum Pump PTO:Engine RPM ratio is 0.54:1.
This is too slow for full output of a gear driven alternator designed for
Lycoming PTOs -
one would need a 0.7:1 gear ratio for that.
You can also download the 914 operator's manual from http://kodiakbs.com
Shaun
----- Original Message -----
From: "Steve Hagar" <hagargs@earthlink.net>
Subject: Vacuum drive ratio
> Does anyone know what the gear ratio of the accessory drive is on the
> 914 in relation to the propellor or engine RPM Steve HagarA143Mesa, AZ ---
> Steve Hagar--- hagargs@earthlink.net
>
>
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