Rotax Engine Mount?

Rotax 912 series discussion.

Re: Rotax Engine Mount?

Postby garyb » Fri Jul 03, 2015 12:27 am

garyb wrote:
bishoff7 wrote:If anyone is still interested in a mount to fit up a 912 to a standard aerovee mount I have just finished a prototype and it is a good fit under the universal cowl . it does however place the prop hub forward of where the aerovee sits by 15 mm this being unavoidable .This mount replaces the original rotax ring mount and bolts directly to the standard shock rubbers on the aerovee mount thus eliminating the need to modify anything. Any interest let me know

Regards Bish sonex 1178
Cbishoff6@bigpond.com

Hi Bish
How does the 15mm effect the cowl fitting. I am thinking of shifting mine forward about that much because the Rotax is quite light.
Cheers Gary

I am scratch building the whole mount.
Sonex #1531 Rotax 912ULS. 250 hours and counting.
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Re: Rotax Engine Mount?

Postby bishoff7 » Thu Jul 23, 2015 6:54 am

Hi Gary
Sorry to take so long to reply I haven't even had time to post any pics
the distance only matters to those who have already fitted up the aerovee otherwise makes not much difference at all
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Re: Rotax Engine Mount?

Postby bishoff7 » Thu Nov 26, 2015 7:43 am

Hi guys
Took me a while to post these so please remember this was the prototype so a wee bit rough but still a nice fit
Regards Bish
Attachments
2015-02-18 18.46.27.jpg
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Re: Rotax Engine Mount?

Postby bishoff7 » Thu Nov 26, 2015 7:44 am

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2015-03-12 11.39.07.jpg
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Re: Rotax Engine Mount?

Postby bishoff7 » Thu Nov 26, 2015 8:00 am

2015-03-12 12.09.54.jpg
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Re: Rotax Engine Mount?

Postby bishoff7 » Thu Nov 26, 2015 8:07 am

2015-03-12 12.17.14.jpg
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Re: Rotax Engine Mount?

Postby garyb » Tue Dec 13, 2016 11:16 pm

Image
Image
Image
Rotax progress.
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Re: Rotax Engine Mount?

Postby gcm52 » Wed Dec 14, 2016 12:19 pm

Very nice! What size/type of tubing did you use? Did you move the Rotax forward at all due to it being lighter? Do you have weight and balance calculations for the Rotax position?
George Mueller
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Re: Rotax Engine Mount?

Postby garyb » Wed Dec 14, 2016 2:40 pm

gcm52 wrote:Very nice! What size/type of tubing did you use? Did you move the Rotax forward at all due to it being lighter? Do you have weight and balance calculations for the Rotax position?

Same tubing as the Sonex plans suggest, the hub is 1/4 inch further forward.
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Re: Rotax Engine Mount?

Postby bishoff7 » Fri Feb 03, 2017 7:52 am

mount.jpg
finished retrofit mount on bishes
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