Mechanical Mechanical Forum - spinning bits and gyrating bobs | 1338Thanks
March 29th, 2015, 08:17 AM
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#71 | Senior Member
Joined: Oct 2003 From: Sweden Posts: 942 Thanks: 1152 I Ride: Husaberg Supermono, Ducati 888sp5 |
Santa stopped by and dropped off new front brake caliper brackets. |
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March 29th, 2015, 08:23 AM
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#72 | Senior Member
Joined: Aug 2008 From: England, Southampton Posts: 756 Thanks: 158 I Ride: 02 650 StreetTracker, 92 K100 Special, 92 Triumph Cafe Racer, 77 Triumph T140 Flat Tracker. |
Santa has some clever little Elves |
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March 29th, 2015, 11:11 AM
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#73 | Senior Member
Joined: Oct 2003 From: Sweden Posts: 942 Thanks: 1152 I Ride: Husaberg Supermono, Ducati 888sp5 | Cylinder head water jacket
Well.. it may not get as many views as "Gangnam style", but there are some nerds out there, I'm sure! https://www.youtube.com/watch?v=Dr RxwPV4g |
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April 2nd, 2015, 06:19 AM
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#74 | Senior Member
Joined: Oct 2003 From: Sweden Posts: 942 Thanks: 1152 I Ride: Husaberg Supermono, Ducati 888sp5 |
And now the Easter Bunny:
Needs some grinding between the dish and the pockets. The dish has to be this large to lower the compression ratio down to reasonable 13,5:1. This set of pistons will make the squish appr. 1,0mm, which hopefully will prevent knocking.
Last edited by Dr_C; April 2nd, 2015 at 06:40 AM.
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April 2nd, 2015, 07:25 AM
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#75 | Senior Member
Joined: Jan 2015 From: Winnipeg, Canada Posts: 277 Thanks: 158 I Ride: 2005 FE650e |
Originally Posted by Dr_C And now the Easter Bunny:
Needs some grinding between the dish and the pockets. The dish has to be this large to lower the compression ratio down to reasonable 13,5:1. This set of pistons will make the squish appr. 1,0mm, which hopefully will prevent knocking. |
I haven't been following your work. Why is comp ratio 13.5:1? Different head set-up, taller piston, longer rod?
Thanks.
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April 2nd, 2015, 07:25 AM
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#76 | Senior Member
Joined: Sep 2007 From: ??? Posts: 782 Thanks: 291 I Ride: |
Sweet piston, how many grms?
Thank you for the Video, very interesting to some of us |
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April 2nd, 2015, 01:42 PM
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#77 | Senior Member
Joined: Oct 2003 From: Sweden Posts: 942 Thanks: 1152 I Ride: Husaberg Supermono, Ducati 888sp5 |
Originally Posted by spanner Sweet piston, how many grms?
Thank you for the Video, very interesting to some of us  |
Specially made for you, Spanner! |
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April 2nd, 2015, 01:53 PM
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#78 | Senior Member
Joined: Oct 2003 From: Sweden Posts: 942 Thanks: 1152 I Ride: Husaberg Supermono, Ducati 888sp5 |
Originally Posted by jmscrttndn I haven't been following your work. Why is comp ratio 13.5:1? Different head set-up, taller piston, longer rod?
Thanks. |
Because I wanted it to be 13:5. The short answer to the other questions is: Yes.
If you are interested, have a looksie at: https://www.youtube.com/watch?v=wQoPtR7LPco
There a some more videos describing my projects in my channel, if you're interested!
Thanks!
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April 2nd, 2015, 05:17 PM
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#79 | Senior Member
Joined: Sep 2007 From: ??? Posts: 782 Thanks: 291 I Ride: |
Specially made for you, Spanner!
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Appreciated
That is an older head, I can see where the seat is so close to the
water.
I wounder if the larger valve heads 37mm vs 35mm would have
more material in those areas?
Cheers spanner
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April 2nd, 2015, 06:51 PM
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#80 | Senior Member
Joined: Nov 2012 From: Iceland Posts: 2,384 Thanks: 818 I Ride: 1 Berg, 1 Zook |
Originally Posted by Dr_C |
I wanted to thank you again for the videos! gold!! I thought I had seen them all but discovered a couple I had missed - very interesting (and thank you for your patience and answers to some questioms the other day related to EFI which are already in the earliest videos)
one question - as I understood it, the Cannondale engine lives or lived on as a 450 - which make? I couldn't quite make out or recognize it from the video (first or second video I think)
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