Search found 298 matches

by davidblythe
Thu Jan 07, 2010 11:19 pm
Forum: Lambretta Tech
Topic: please help am being really thick
Replies: 7
Views: 742

please help am being really thick

I feel i ought to understand these but i dont MT2 is okay as that is the size of my tailstock please help a muppet http://cgi.ebay.co.uk/NEW-Morse-Taper-Collet-MT2-12mm-with-M10-TAP-FREE-P-P_W0QQitemZ290333934397QQcmdZViewItemQQptZUK_BOI_Metalworking_Milling_Welding_Metalworking_Supplies_ET?hash=ite...
by davidblythe
Mon Jan 04, 2010 6:21 pm
Forum: Lambretta Tech
Topic: dt250 piston
Replies: 8
Views: 1132

Re: dt250 piston

2.5mm packer on a 116mm 18mm rod

pegs clear the boost port

only issue is reprofiling the head

one dyke ring and one normal thin ring

£30 for a piston in plentiful supply

same weight as an asso on kitchen scales
by davidblythe
Thu Dec 31, 2009 6:11 pm
Forum: Lambretta Tech
Topic: Heat Sinks for a cylinder head
Replies: 15
Views: 2400

Re: Heat Sinks for a cylinder head

just had a brainwave or am completely crackers different to the above but should be a no brainer if i can get the material have asked a couple of people and the idea hasnt been dismissed out of hand as being completely stupid found and bought the material, thought brass was expensive hopefully have...
by davidblythe
Thu Dec 31, 2009 10:38 am
Forum: Lambretta Tech
Topic: 18mm s/e 22mm b/e 116mm Yam rod
Replies: 4
Views: 604

Re: 18mm s/e 22mm b/e 116mm Yam rod

chris2470 wrote:Why not ring these guys:
http://www.pjme.co.uk/acatalog/copy_of_ ... _End_.html
That should do the job, and cheap as chips.

that has a 16mm s.end unfortunately
by davidblythe
Thu Dec 31, 2009 1:12 am
Forum: Lambretta Tech
Topic: Heat Sinks for a cylinder head
Replies: 15
Views: 2400

Re: Heat Sinks for a cylinder head

just had a brainwave or am completely crackers

different to the above but should be a no brainer if i can get the material
by davidblythe
Thu Dec 31, 2009 12:33 am
Forum: Lambretta Tech
Topic: Heat Sinks for a cylinder head
Replies: 15
Views: 2400

Re: Heat Sinks for a cylinder head

just looked at the conduction tables, appreciated how good copper was but hadn't appreciated how good brass was over mild steel
by davidblythe
Thu Dec 31, 2009 12:07 am
Forum: Lambretta Tech
Topic: Heat Sinks for a cylinder head
Replies: 15
Views: 2400

Re: Heat Sinks for a cylinder head

just a guess....but is maybe dave suggesting extra long and wider cyl head nuts made from brass.... :D if so ,then thats good. :D strangely i wasnt thinking that way :biggrin: but good idea anyone remember the push in exhaust headers early brit bikes had with a heat sink star shaped collar on the h...
by davidblythe
Wed Dec 30, 2009 9:17 pm
Forum: Lambretta Tech
Topic: Heat Sinks for a cylinder head
Replies: 15
Views: 2400

Heat Sinks for a cylinder head

Thinking aloud so ready to be shot down in flames did anyone see the new air cooled moto guzzi in MCN a few weeks ago that is using heat sinks connected to the cylinder heads acting as cooling radiators in the air flow BY using all 4 cylinder head nuts extended and then all fastened to a non painted...
by davidblythe
Wed Dec 30, 2009 6:41 pm
Forum: Lambretta Tech
Topic: urgent answer needed..
Replies: 3
Views: 504

Re: urgent answer needed..

the housing is different

the switch is standard
by davidblythe
Wed Dec 30, 2009 6:21 pm
Forum: Lambretta Tech
Topic: 18mm s/e 22mm b/e 116mm Yam rod
Replies: 4
Views: 604

18mm s/e 22mm b/e 116mm Yam rod

Finally found the Yamaha part no if anyone is interested exactly the same rod as on my crank 6H4-11651-00 just got to find who sells them in the UK as opposed to the states http://www.yamamotor.com.tw/product_view.asp?FKindNo=F000890&SKindNo=S001204&Pidno=200801110013 http://liyang-china.com/product...