Search found 298 matches

by Avantone
Sun Feb 09, 2014 7:23 pm
Forum: Lambretta Tech
Topic: My scooter seems to have slowed down
Replies: 47
Views: 11130

Re: My scooter seems to have slowed down

Do you have a copy of the Dyno sheet you can post?
by Avantone
Wed Feb 05, 2014 11:19 am
Forum: Tech FAQ
Topic: Exhaust Wrap ...Again sorry.
Replies: 16
Views: 5106

Re: Exhaust Wrap ...Again sorry.

Think the idea is that the wrap insulates the expansion chamber and keeps the exhaust gas hotter and therefore denser. This density increases the strength of the exhaust pulse so the chamber works more efficiently. The question is whether the cylinder is capable of staying cool enough when the exhau...
by Avantone
Fri Dec 27, 2013 11:41 am
Forum: Lambretta Tech
Topic: Cyclone 5
Replies: 46
Views: 15228

Re: Cyclone 5

I've had the same problem with my cyclone batch 2 with new cluster .i find it very odd that the same thing has happened to 2 gearboxes in all most identical circumstances http://i1061.photobucket.com/albums/t473/shaneo221/107A1E21-3797-445F-AD06-296551490A74-5473-00000517DC6FC62D_zps07e97a26.jpg ht...
by Avantone
Fri Dec 13, 2013 5:05 pm
Forum: Lambretta Tech
Topic: How fast can a scooter really go? Dyno Data & Sprint Sim....
Replies: 44
Views: 18613

Re: How fast can a scooter really go? Dyno Data & Sprint Sim

Arcadia wrote:So Keith Terry had 60+ bhp? Is that what we are saying here?
No. I don't know how much he had, but then it wasn't either a standard body or Gp6 and would of had significantly less drag.
Image
by Avantone
Fri Dec 13, 2013 2:59 pm
Forum: Lambretta Tech
Topic: How fast can a scooter really go? Dyno Data & Sprint Sim....
Replies: 44
Views: 18613

Re: How fast can a scooter really go? Dyno Data & Sprint Sim

I know Avantone did a bit on this and am waiting to hear back from him, i cant remember what his calcs said but im sure he had some sort of graph/resistance curve also??? :? It was something I posted in 2008 on the old forum. http://www.phpbb88.com/scooterotica/viewtopic.php?p=12319&highlight=&...
by Avantone
Tue Dec 10, 2013 8:04 pm
Forum: Lambretta Tech
Topic: The Super Monza exposed.
Replies: 170
Views: 53268

Re: The Super Monza exposed.

Any photos of these two doing a top speed run irrespective of when and where?
by Avantone
Wed Dec 04, 2013 8:56 pm
Forum: Lambretta Tech
Topic: The Super Monza exposed.
Replies: 170
Views: 53268

Re: The Super Monza exposed.

hoping someone can help me out??,ive been chasing 100mph for a few years and it does seem you need close to 40 bhp,a light rider and a decent tail wind (hopefully a slight gradient,lol) to get there,i think im missing something here that a 30bhp motor can actually pull 100mph+,on the day of these '...
by Avantone
Tue Nov 12, 2013 8:25 am
Forum: General Scooter Chat
Topic: Ricspeed - Rich Smith - Rest In Peace
Replies: 133
Views: 55405

Re: Ricspeed - Rich Smith - Rest In Peace

Tragic for all concerned - RIP Ric
by Avantone
Fri Nov 08, 2013 10:01 pm
Forum: Lambretta Tech
Topic: How could I model ratios for a new 5-spd box? (for free)
Replies: 4
Views: 1540

How could I model ratios for a new 5-spd box? (for free)

You can do it here: avantone.wordpress.com

New facility to design, compare and store 27 gearbox configurations of your choice.

Image
by Avantone
Wed Jun 12, 2013 9:25 pm
Forum: Lambretta Tech
Topic: too much squish
Replies: 10
Views: 5394

Re: too much squish

what are the symptoms of too much squish on performance? I have fitted a lth reed valve on an early mugello 200 which I ported as per threads here. Low down pull is ok but when trying to rev higher it seems to struggle and the noise is outputting. set up is 26 deli b race stealth expansion main jet...

cron