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#634413 - 01/09/16 2:48 pm Re: new engine [Re: lemans]  
Joined: Sep 2005
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Ger B Offline
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NL
Not only cheaper I think but you will also be sure you have the correct steel quality.

Looking good, Anne.



Ger B

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#634459 - 01/09/16 8:23 pm Re: new engine [Re: lemans]  
Joined: Jan 2014
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NickL Online content
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NickL  Online Content
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Aus
You could just buy UNF/UNC Allen bolts they are cheap enough.



#646101 - 03/28/16 9:04 am Re: new engine [Re: lemans]  
Joined: Mar 2011
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lemans Offline
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netherlands
started today with axial end float/play
straightforward task: mount crankshaft in cases, measure end-float. insert spacer acc to calculation. measure end-float. finished.

still there is some voodoo involved. first measurement 0,67mm. inserted 0,65mm spacers. second measurement 0,07mm end float. hmm somewhere found another 0,05mm play. added an extra 0,05mm spacer. third measurement 0,07mm float. hmmmm, cases are made of putty. added more spacers and am satisfied at 0,04mm with the thought of putting the cases together with ducati superbond liquid gasket.

reg A




Last edited by lemans; 01/08/17 1:05 pm.
#646167 - 03/28/16 5:06 pm Re: new engine [Re: lemans]  
Joined: Aug 2001
Posts: 3,129
gavin eisler Online content
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gavin eisler  Online Content
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argyll. scotland, uk
Hi Anne, nice progress, in the pic below you can see the Devimead solution for lubrication of the Timing side bearing, the original pressure feed is blanked and a small cavity is created on the top side of the bearing boss allowing oil to drip into the bearing.


71 Devimead A65 750
56 Norbsa 68 Longstroke A65
Cagiva Raptor 650
MZ TS 250
The poster formerly known as Pod
#646176 - 03/28/16 5:38 pm Re: new engine [Re: lemans]  
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Posts: 203
lemans Offline
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netherlands
hi Gavin, that is indeed a clever solution, being a needle roller the dripfeed is more than enough. As you can see in my earlier posts I used a scrub srew with a 1mm orifice. Same setup as with the old engine which lasted some 32 years/ 12000 miles. Regards A

see post 500026 and just follow the links

Last edited by lemans; 03/28/16 5:50 pm.
#680466 - 01/08/17 1:02 pm Re: new engine [Re: lemans]  
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lemans Offline
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netherlands
been a while but this christmass the new engine is work in progress.
solved the axiaal end float voodoo, made a new bearing out of some phosphor bronze.
in the end it is just a 5,25 mm thick slab of bronze, milled to the correct dimensions. end float is now 0,04 mm





next jobs on the list are:
1. camshaft
2. the SRM-Oilpump
3. gearbox, pity the five-speed from Scotland isn't available yet so have to resort to the four-speed.

regards A


Last edited by lemans; 01/08/17 3:14 pm.
#680496 - 01/08/17 3:59 pm Re: new engine [Re: lemans]  
Joined: Jul 2012
Posts: 310
JER.Hill Online content
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JER.Hill  Online Content

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Joined: Jul 2012
Posts: 310
Forfar, Scotland
Hi Anne

Nice to see your moving forward again. With regards to the 5 speed clusters, I've been surprised by the lack of interest, other than myself the other two which I know are in use, Mark Parker and Gavin Eisler are happy with the performance, of the 11 sets sold others don't really give you much feed back.

Hopefully your post can generate a little more interest, at the moment there are your self and four other who have shown an interest. I need to order a batch of ten, so if anyone is interested PM here or get in touch.

regards

John

#680502 - 01/08/17 4:29 pm Re: new engine [Re: lemans]  
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lemans Offline
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netherlands
well the five-speeder can be exchanged with the engine in the frame, so there's no real hurry yet
still..... I want to shift one more time when they don't expect it.

the bike used to be run two-up and then the four-speed hasn't the best spaced ratio's.
future use is again two-up
regards A

#684593 - 02/11/17 8:53 am Re: new engine [Re: lemans]  
Joined: Mar 2011
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lemans Offline
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lemans  Offline
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netherlands
what better way to spend a snowy saturday morning




Last edited by lemans; 02/11/17 8:54 am.
#701030 - 07/07/17 2:02 pm Re: new engine [Re: lemans]  
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lemans Offline
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lemans  Offline
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netherlands
[censored] photobucket

#701031 - 07/07/17 2:03 pm Re: new engine [Re: lemans]  
Joined: Mar 2011
Posts: 203
lemans Offline
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lemans  Offline
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Joined: Mar 2011
Posts: 203
netherlands
cool this auto-censor-function

see if it works with this one

ooops Photobucket

Last edited by Allan Gill; 07/11/17 3:27 pm. Reason: This is a family site ;)
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