Vespa Siluro II Streamliner

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siluro_higher_longer.jpg

The new 250cc partial streamlining record is 121 mph which is not achievable with a standard Vespa (like the original dry lake racer) due to gearing and tyre rating (not to mention power and handling). So the next project is a different class, a full streamliner based on the 1951 Vespa Siluro (pictured below). It has to be adapted though to:

  1. fit me (bigger than the original rider)
  2. fit the Vespa engine we have
  3. fit the DLRA Rules for Vespa Streamliners 

PICT0021.JPG

Below is an adapted Siluro to suit DLRA rules and a different Vespa engine. The rider kneels over a centre engine, which chain drives the rear wheel (to get higher gearing possibilities). This drawing is roughly to scale and it needs to be higher to fully protect the rider. The image at the top is the likely final design, it is the same format but stretched longer to keep proportions.

siluro_higher.jpg

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FileSizeDateAttached by 
 PICT0020.JPG
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735.75 kB22:26, 4 Apr 2009internetscooterActions
 PICT0021.JPG
No description
697.14 kB22:26, 4 Apr 2009internetscooterActions
 siluro_higher.jpg
Vespa Siluro made higher for DLRA rules (head protected by roll cage)
101.59 kB20:32, 5 Apr 2009internetscooterActions
 siluro_higher_longer.jpg
Vespa Siluro made higher and longer for DLRA rules (head protected by roll cage)
113.79 kB20:32, 5 Apr 2009internetscooterActions
 V125ccSiluro-00.jpg
Original Vespa Siluro
23.36 kB20:32, 5 Apr 2009internetscooterActions
Comments (3)
Viewing 3 of 3 comments: view all
I can offer 3d cad modeling and small scale models for this project. I think that you could output 2d and 3d file format that could allow you to bend sheetmetal or use to create molds for casting the shapes in 3d. let me know-
Posted 16:29, 24 Feb 2010
Thanks for the offer Jinx we are on the same wavelength :) A major part of the "fun" of this project though is learning to do all the modelling myself and actually building a complete 3D model myself (see the 3D Modelling subpage). I will eventually program up a complete virtual Siluro II before it is built and yes will be thinking about using the model to build bits (I have the CNC bits already)... yes a very, very long project :)
Posted 20:38, 24 Feb 2010
Great to find this project. We from SIP Scootershop are right now doing a vespa acessories catalogue and we want to do a report on the Siluro Vespa. It would be great to write also about recent efforts to rebrake the record etc. So if you could feed me with some recent informations and pictures that would be awesome. My mail is ralf (at) sip-scootershop.de.
Looking forward hearing from you guys!

Greets Ralf
Posted 02:20, 20 Nov 2010
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