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Soft Start Module on 912ULS

 
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madriver42(at)gmail.com
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PostPosted: Sat Jun 30, 2012 8:26 am    Post subject: Soft Start Module on 912ULS Reply with quote

To answer Peter Thomson's question about the Rotax "Soft Start Modules" available from Rotax.
 
I was advised by Roger Lee and Rotax (LEAF) in my particular situation that I would probably be as happy with less cost by going to the Bully Hawk / Con Air Soft Start Module as shown on the Rotax product videos.
 
I installed the "Soft Start" on my Rotax 912ULS early this spring and have been impressed not only with the cold weather starts but now with starts at 90 degrees F plus OAT.  As an addendum, it took me longer to remove the cowl than to install the module.
 
The guys at LEAF and / or Roger Lee can explain why it works by adjusting the timing for start.  If you don't understand this give them a call...they were more than happy to answer my questions. My advice is to shop around - there is a vast difference in pricing from the various sources.
 
I do not have a method to "measure" the results but IMHO I have experienced MUCH smoother starts with the module installed.  I did not have a kick back problem before but added the module to remove the harshness of the typical Rotax start.
 
With the Bully Hawk option you only "add" a strap-on module on top of the ignition modules installed on your engine, connect it in line with the "A" module and hook up the ground and a "control" wire to your start solenoid.  All parts and connectors are supplied. Couldn't be simpler and I couldn't be happier.
 
Still grinnin!
 
Phil Smith
CH 701 flying
Rotax 912 ULS
 
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peterthomson



Joined: 18 Jul 2010
Posts: 41
Location: Thailand

PostPosted: Sun Jul 01, 2012 4:43 pm    Post subject: Soft Start Module on 912ULS Reply with quote

thanks Phil, and pleased at your success woth the Bully Hawk !

Unfortunately, the a/c was caught up in floods, and rats chewed the
wires of both ignition modules, so the cheapest replacement is the
Rotax units.

Peter


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