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Re: [turbobike] project bike number 1

Dave Morrill (david.p.morrill@fairchildsemi.com)
Mon, 25 Jan 1999 08:38:56 -0500


Try here for mandrel bent tubing



rich johnston wrote:

> First, let me introduce myself.... My name is Rich and I live in central
> Indiana, USA. I'm an engineer working for a diesel engine manufacturer
> developing engines for industrial equipment.  I've been lurking on the
> turbo list for a while hoping to pick up tips for a project bike.  I've
> had a little experience with turbocharging a Vega in the early eighties
> using a kit purchased from Schwitzer.  That was fun and I've got the bug
> to do it again.   I have an older 1100 Honda Saber I'm planning to
> turbocharge.  I've picked up the "motorcycle turbocharging" book by Joe
> Haile and it has been helpful.  It could be a little more detailed but
> I'd recommend it. Myintent ios to use the bike on the street.  No plans
> to take it to the strip so low end and mid-range response are more
> important to me than maximum power.   The following description is my
> plan and would be interested in any suggestions any of you might have.
> Target HP        150-160 rear wheel hp
> Carburation        Blow through CV carbs, with intercooling and water&
> alcohol injection due to 10.5 compression ratio
> Pressure ratio     .7
> Air flow               200 cfm
> Turbo                one of two depending on compressor and turbine map
> performance  -IHI RHB32,  Garrett T2
> Target expense        under $500 US
> Completion date        July 99
> I have two questions for the group
> I'm looking for a very low volume source for 1.375 inch diameter mandrel
> bent T304 stainless tubing, .w/ 062 wall thickness (or close) located
> here in the USA.
> I'm also looking for source for a turbine and compressor map for the IHI
> and Garrett turbocharger listed above so I can make a decision on the
> turbo.
> Any comments are welcome...thanks