Oh Bl@dy hell were not starting this again
LOVE IT
Search found 318 matches
- Wed Jan 07, 2009 8:08 pm
- Forum: Lambretta Tech
- Topic: Primary Compression....High versus Low....
- Replies: 3
- Views: 2787
- Wed Jan 07, 2009 4:46 pm
- Forum: Lambretta Tech
- Topic: Uber race crank
- Replies: 57
- Views: 25466
Re: Uber race crank
Basically this is whats being done to crank
As you can see very simular to Vespa cranks and alot of bike cranks
Smiffy
As you can see very simular to Vespa cranks and alot of bike cranks
Smiffy
- Wed Jan 07, 2009 12:50 am
- Forum: Lambretta Tech
- Topic: Group 4 Race Engine - 2004 - 31.5HP Rapido
- Replies: 5
- Views: 5237
Re: Group 4 Race Engine - 2004 - 31.5HP Rapido
Wolf whisle twittwoooo Nice curves
- Wed Jan 07, 2009 12:29 am
- Forum: Lambretta Tech
- Topic: Uber race crank
- Replies: 57
- Views: 25466
Re: Uber race crank
Got alot more to go Sean to get that Comp Ratio down m8
- Tue Jan 06, 2009 10:16 pm
- Forum: Scooterotica Tuning & Maintenance Information
- Topic: What is Engine Capacity
- Replies: 0
- Views: 5284
What is Engine Capacity
The basic formula for Engine capacity is: CC=( Pi x D²xS)/4000 Where: PI = 3.1416 D = Bore diameter in mm S = Stroke in mm Please note it is the stroke of a crank not the conrod length which is used for calculating CC Std lamy stroke 58mm Typical over stroke 60mm 62mm 64mm Short stroke 54mm 60mm ca...
- Tue Jan 06, 2009 9:47 pm
- Forum: Scooterotica Tuning & Maintenance Information
- Topic: Exhaust theory Pt1
- Replies: 0
- Views: 2918
Exhaust theory Pt1
Basic theory: The Expansion Exhaust has two waves forms that are reflected, one is negative (vacuum), one is positive (pressure) The negative wave is reflected to the exhaust port to arrive to assist drawing in the incoming fuel charge (down stroke) The positive wave is reflected to the exhaust por...
- Tue Jan 06, 2009 9:27 pm
- Forum: Scooterotica Tuning & Maintenance Information
- Topic: Port Time Area
- Replies: 0
- Views: 4389
Port Time Area
The basics being that although a port timing measurement in degrees gives you an idea how long a port is open for.....it doesn’t tell you what size the port is, or how much gas it will flow. Further more, the relationship between inlet/transfer/exhaust ports is obviously linked, and thus you want ...
- Tue Jan 06, 2009 9:08 pm
- Forum: Show us yer Scoots!!
- Topic: Reflections in Blue the Paintwork (RinB)
- Replies: 12
- Views: 7696
Reflections in Blue the Paintwork (RinB)
Well for all those that have seen it or not here are some of the faces in the paint As many people have found out it is very hard to get the faces out with a camera. Ive never really pushed to get it in scootering even though we have attempted to organise. But in the end I felt it would spoil the ex...