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  Topic: Rotax 912 Mogas - ATSM ethanol question
JohnE

Replies: 3
Views: 5792

PostForum: RotaxEngines-List   Posted: Fri Jun 20, 2014 6:02 am   Subject: Re: Rotax 912 Mogas - ATSM ethanol question
Thanks for the link, I'll read it in a bit.

Diamond Aircraft changed the language in the AFM for my Katana regarding fuel specification. If the fuel meets ASTM D4814 it is allowable which is gre ...
  Topic: Rotax 912 Mogas - ATSM ethanol question
JohnE

Replies: 3
Views: 5792

PostForum: RotaxEngines-List   Posted: Thu Jun 19, 2014 8:55 pm   Subject: Rotax 912 Mogas - ATSM ethanol question
I run ethanol free mogas in my 912 (Diamond Katana) currently. I noticed in my AFM that Diamond allows fuel that meets the ATSM D4814 fuel standard as well as 100LL. I believe this standard allows u ...
  Topic: carb synch hose sizes
JohnE

Replies: 6
Views: 6380

PostForum: RotaxEngines-List   Posted: Wed Jun 26, 2013 3:57 pm   Subject: Re: carb synch hose sizes
Here's an older picture, but it gets the point across and this works very well. I would use regular vacuum lines and not the clear plastic. The plastic does work.

Thanks for the picture. Makes sen ...
  Topic: carb synch hose sizes
JohnE

Replies: 6
Views: 6380

PostForum: RotaxEngines-List   Posted: Tue Jun 25, 2013 5:10 pm   Subject: Re: carb synch hose sizes
Hi John,

I just use vacuum hoses from the auto parts store. Then adapt that to the size you need with a fitting from the hardware store.

Thanks for the reply. That's what I am planning on doing ...
  Topic: carb synch hose sizes
JohnE

Replies: 6
Views: 6380

PostForum: RotaxEngines-List   Posted: Tue Jun 25, 2013 2:38 pm   Subject: carb synch hose sizes
I'm going to synch my carbs. Does anyone know what size hoses are used to hook into the manifold pressure port? I have a digital manometer (dual) that I'm planning on using. I figure I can get hose ...
  Topic: Rotax 912 exhaust pipe repair
JohnE

Replies: 7
Views: 9070

PostForum: RotaxEngines-List   Posted: Thu Jun 13, 2013 8:10 am   Subject: Re: Rotax 912 exhaust pipe repair
John,

After you get the tube repaired, make sure you do a pneumatic synchronization of the carbs. Unbalanced carbs add a lot of unnecessary vibration to the whole powerplant. Our DA20-A1 has 1100+ ...
  Topic: Rotax 912 exhaust pipe repair
JohnE

Replies: 7
Views: 9070

PostForum: RotaxEngines-List   Posted: Mon Jun 10, 2013 3:12 pm   Subject: Re: Rotax 912 exhaust pipe repair
Thanks for the info. The crack in this case cut the pipe into 2 pieces. It does look like another section of pipe could be put over it and then welded if thats how they would do it.

Barry


On ...
  Topic: Rotax 912 exhaust pipe repair
JohnE

Replies: 7
Views: 9070

PostForum: RotaxEngines-List   Posted: Mon Jun 10, 2013 12:40 pm   Subject: Rotax 912 exhaust pipe repair
The co-pilot side rear exhaust pipe cracked on me this weekend. I called a few shops to have it repaired (overhauled), but it seems none of them work on the smaller diameter piping. Rotax is 1 1/4 i ...
  Topic: Rotax 912 Ducati Module
JohnE

Replies: 2
Views: 3208

PostForum: RotaxEngines-List   Posted: Mon Apr 02, 2012 11:30 am   Subject: Re: Rotax 912 Ducati Module
Thanks for the link. Very interesting. I use an alternator. Good to know that the built in generator is weak though.

In my case, I'm talking about the other Ducati part of the system, the Electr ...
  Topic: 912 80 hp back-fire on shutdown
JohnE

Replies: 12
Views: 10407

PostForum: RotaxEngines-List   Posted: Mon Apr 02, 2012 8:38 am   Subject: Re: 912 80 hp back-fire on shutdown
Curious if you solved the problem? Was it the carb's?
  Topic: Rotax 912 Ducati Module
JohnE

Replies: 2
Views: 3208

PostForum: RotaxEngines-List   Posted: Mon Apr 02, 2012 8:34 am   Subject: Rotax 912 Ducati Module
Has anyone taken apart an Electronic Module? Does anyone have a ducati part number? In my searches, I found very similar boxes from other applications (Motorcycle, Snowmobile, etc).

Mine has one ...
 
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