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Mounting the 914

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VE3LVO(at)rac.ca
Guest

Posted: Mon Feb 13, 2006 8:52 pm Post subject: Mounting the 914

I have just come from a disheartening day of adjustment of the mountings for 

the 914. This development is the result of some unfortunate decisions taken 

too early and with which I now have to contend.

        As I mentioned in an earlier email, I had difficulty in assembling 

the Lord mounts and metal cups in order to instal the bolts AN5-41s which 

are only able to contain the rubber mounts once the latter are comprssed. 

Thanks to several for the suggestions of using substitute bolts to begin 

with, so that the mounts can be pre-compressed.

        What eventuated was that I found some plain metal straps (about 

1"x5"x1/8") - used for strapping to wooden joints for security - and cutting 

and bending these as 'clips' when the temporary bolts are removed in favour 

of the real thing. These are formed so as to produce a shape with 1/2inch 

arms at 90deg to a body which will grasp an object 1-15/16" long (that is 

the length of the compressed Lordmount - metal cup to metal cup. Being 

simple steel they are easily thumped into adjust to clip over the cups (two 

per setup) such that either end of the accompanying frame can be reached 

without blanking the 1/2" hex head or castellated nut. Drawings direct on 

request.

        Once you have clipped these onto either side, you can then ease the 

temp. bolt out and gingerly insert the AN5-41and have space to spin on the 

nut. I am not looking forwqard to the same attempt when adding the requisite 

thin washers for shim to cant 914 1.5deg starboard to the bottom port bolt . 

But I don't know an y better way. (Your number of shim washers will vary of 

course).

        I have now had the 914 on and off four times - once to assess length 

of engine harness required ahead of firewall, once to try to install AN5 

bolts, again to test for engine shim (AN906-516L washers are 0.05" thick and 

appear to make a difference of 0.186" when the distances are measured. I was 

out by about 1/2" so needed 4 wahers top and bottom. The book says do only 

one bolt but of course both top and bottom are required.

        Have I gone on enough?

Happy landings

Ferg

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tonyk(at)kaon.co.nz
Guest

Posted: Mon Feb 13, 2006 10:25 pm Post subject: Mounting the 914

 	  Quote: 	
		  >I have just come from a disheartening day of adjustment of the mountings for

>the 914. This development is the result of some unfortunate decisions taken

>too early and with which I now have to contend....


	


I used ratchet clamps around the cups  to squeeze the lord mounts and found the 914 engine alignment process quite straight forward. It took me six remounts during a day to get everything aligned correctly. As with most things with this aircraft, if it's driving you mad.. there's probably a better way!



You may have all guessed, I'M BACK!!!!!



I've just spent the past two rather disheartening years fighting lawyers and actually came out the other side in reasonable shape so it's about time this bird of mine took to the air. I must say that placing an order for a Dynon FlightDEK 180 did help the enthusiasm a bit!!    



For those wanting to buy some conventional instruments at a 'reasonable' price I'll be putting up a for sale list on my web site soon.



Regards



Tony

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