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914 Engine Mount Bolts

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spcialeffects

Joined: 29 Aug 2012
Posts: 306
Location: Kent

Posted: Sat Apr 16, 2016 4:21 am Post subject: 914 Engine Mount Bolts

Calling all rotax  914'ers! So today was very chuffed to be moving onto a new part of the manuel, hanging the engine. However ran into a problem straight away. The lower STBD bolt, that they tell you cut to 95mm and grind a flat in the head, How do you get it in????? Firstly now iv trimmed it to 95mm, once the nut is on, there is 1/2 to 1 tread poking out but more importantly when you try to put it in from above the turbo the angle it is as there is no way its going in! The curved casting of the turbo keeps the bolt at an angle. Any input is appreciated. Many thanks Frank

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gilles.thesee(at)free.fr
Guest

Posted: Sat Apr 16, 2016 5:58 am Post subject: 914 Engine Mount Bolts

Le 16/04/2016 14:21, spcialeffects a écrit :

 	  Quote: 	
		   



 Calling all rotax  914'ers! So today was very chuffed to be moving onto a new part of the manuel, hanging the engine. However ran into a problem straight away. The lower STBD bolt, that they tell you cut to 95mm and grind a flat in the head, How do you get it in????? Firstly now iv trimmed it to 95mm, once the nut is on, there is 1/2 to 1 tread poking out but more importantly when you try to put it in from above the turbo the angle it is as there is no way its going in! The curved casting of the turbo keeps the bolt at an angle. Any input is appreciated. Many thanks Frank



Franck,
	




Not sure exactly what bolt you are talking about, engine to ring or ring 

to engine mount or else, maybe your are refering to some particular 

Europa manual or something else.

Two things could help :

- The official Rotax installation manual is downloadable from the Internet

- If your setup is different from the Rotax standards, why not just 

temporarily remove the turbo elbow which seems to be in the way ?

FWIW

-- 

Best regards,

Gilles

http://contrails.free.fr

http://lapierre.skunkworks.free.fr

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spcialeffects

Joined: 29 Aug 2012
Posts: 306
Location: Kent

Posted: Sat Apr 16, 2016 6:13 am Post subject: Re: 914 Engine Mount Bolts

Hi Gilles, thanks for the reply. the bolt I'm having trouble with is the STBD lower ring mount to europa engine frame. The one they tell you to fit the opposite to the other 3. The only way i thing i can fit it is to take off the whole exhaust system OR just take off the muffler and turbo at the square flange. Was just wanting to hear how others had done it

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spcialeffects

Joined: 29 Aug 2012
Posts: 306
Location: Kent

Posted: Sat Apr 16, 2016 7:18 am Post subject: Re: 914 Engine Mount Bolts

Well have just gone back into the workshop and got the bolt i cut to 95mm and cut some more thread so that the nut goes on further, first problem solved. Next i messed around with the bolt for a while, re-read the instructions and what it says (on the diagram bottom right) and the picture don't correspond. It says that the cap screw must point forward yet is pictured pointing backwards?? Anyway all sorted now

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gilles.thesee(at)free.fr
Guest

Posted: Sat Apr 16, 2016 10:40 am Post subject: 914 Engine Mount Bolts

Le 16/04/2016 16:13, spcialeffects a écrit :

 	  Quote: 	
		   The only way i thing i can fit it is to take off the whole exhaust system OR just take off the muffler and turbo at the square flange. Was just wanting to hear how others had done it

Frank,
	




Please note that I did not build the same airplane as yours, though both 

machines share the same engine and the same cruise speed.

Just to say that taking off the Rotax muffler is no big deal, especially 

if it helps to install the engine.

-- 

Best regards,

Gilles

http://contrails.free.fr

http://lapierre.skunkworks.free.fr

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