Vespa Dry Lake Racer lives...
Moderator: DLRA
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Re: Vespa Dry Lake Racer lives...
Thanks for the advice and I might take you up on the offer! I am going to have a rethink though on the design first. I "might" be able to go draw through - not only do I have to consider all the above but also the float crushing under pressure and leakage through the slide etc. So the pain of trying to fit draw through is quickly becoming less that making what I have work
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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- Posts: 475
- Joined: Mon Nov 20, 2006 12:18 pm
- Location: Melbourne
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Re: Vespa Dry Lake Racer lives...
Appeared on my Google scholar radar... 100cc two stroke turbo charger research paper... mostly on emissions but still useful info
PERFORMANCE ANALYSIS ON A TURBOCHARGED TWO WHEELER ENGINE
P Balashanmugam1*, E Elakiya1 and Sunayana Sharma1
http://www.ijerst.com/ijerstadmin/uploa ... fd4e27.pdf
PERFORMANCE ANALYSIS ON A TURBOCHARGED TWO WHEELER ENGINE
P Balashanmugam1*, E Elakiya1 and Sunayana Sharma1
http://www.ijerst.com/ijerstadmin/uploa ... fd4e27.pdf
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
Re: Vespa Dry Lake Racer lives...
Thanks for sharing
Good to see he used the following two phrases:
"If the turbo is too big, the boost will build up slowly"; and
"destroy the engine"
Good to see he used the following two phrases:
"If the turbo is too big, the boost will build up slowly"; and
"destroy the engine"
- gennyshovel
- Posts: 866
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- Location: Broken Hill
Re: Vespa Dry Lake Racer lives...
Tiny DLRA# 484
Postiebike Racing , created & funded by TwoBob Engineering
Postiebike Racing , created & funded by TwoBob Engineering
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Re: Vespa Dry Lake Racer lives...
Think about it man that frontal area CD ? is better than your 3 D cad image, Shite tiny youve stumbled onto something mate,
Take head Vespa man
Take head Vespa man
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Re: Vespa Dry Lake Racer lives...
and they have solved the problem off filling the gap between the leg shields while still maintaining legs and arms visible
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
---
DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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- Posts: 475
- Joined: Mon Nov 20, 2006 12:18 pm
- Location: Melbourne
- Contact:
Re: Vespa Dry Lake Racer lives...
Status update:
Firstly it is great seeing all the other blown projects coming along nicely!!!
At Vespa Labs, extensive simulation and modelling of the effort required to get the scoot supercharger ready in 10 weeks has come up with the following conclusion (with an accuracy of 99.9% probability):
ain't gonna happen
So I am now focusing on just having fun at the lake (MPS/G 250) and I have another year of fun to get the supercharger fitted and humming nicely.
Firstly it is great seeing all the other blown projects coming along nicely!!!
At Vespa Labs, extensive simulation and modelling of the effort required to get the scoot supercharger ready in 10 weeks has come up with the following conclusion (with an accuracy of 99.9% probability):
ain't gonna happen
So I am now focusing on just having fun at the lake (MPS/G 250) and I have another year of fun to get the supercharger fitted and humming nicely.
Paul
---
DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
Re: Vespa Dry Lake Racer lives...
Sorry to hear you are running tight on time. We know exactly what you are up against. We should be starting our bike in the next couple of weeks. Then getting it on the dyno ASAP. That will be the big test, so many unknowns. Hopefully the crank stays in the bike.
Stay well
JP
Stay well
JP
Motorcycle Racer Lake Gairdner & Bonneville.
DLRA, SCTA & AMA record borrower
DLRA, SCTA & AMA record borrower
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Re: Vespa Dry Lake Racer lives...
hmmm...
so at the moment the only streamlining is the small hump on my leathers. Does that mean with an unblown engine (which is still a Vespa), no additional screen and no hump I can run as M/G 250cc? Current record 99.042?
edit: as far as I can tell from looking at the rules I do qualify in the Modified Production - 2014 just got more interesting
so at the moment the only streamlining is the small hump on my leathers. Does that mean with an unblown engine (which is still a Vespa), no additional screen and no hump I can run as M/G 250cc? Current record 99.042?
edit: as far as I can tell from looking at the rules I do qualify in the Modified Production - 2014 just got more interesting
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
Re: Vespa Dry Lake Racer lives...
Last Minute Racing
DLRA #928
2010 MPS/G 250 118 MPH
2011 Washed Out
2012 Washed Out
2013 MPS/G 250 131 MPH (RECORD)
2014 MPS/G 250 140 MPH (RECORD)
2015 MPS/F 250 DNF
2016 MPS/F 250 114 MPH (RECORD)
2017 MPS/F 250 DNF
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Re: Vespa Dry Lake Racer lives...
Bah! - a Lambretta. If I had one of those just being able to change the gear ratio, with the Vespa engine I have now, would add 10-15mph to the top speed but where's the challenge in that
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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- Posts: 475
- Joined: Mon Nov 20, 2006 12:18 pm
- Location: Melbourne
- Contact:
Re: Vespa Dry Lake Racer lives...
Hmmm... all I want for xmas in my workshop back
Turns out it is the best place to hide the presents - shhhh....
Turns out it is the best place to hide the presents - shhhh....
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
Re: Vespa Dry Lake Racer lives...
is Santa gunna be delivering presents on a black Vespa now, huh ,
First Australian to ride a motorcycle over 200mph at Bonneville,,,
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Re: Vespa Dry Lake Racer lives...
Yes - smaller frontal area and 32 horses beats 9 raindeerStayt`ie wrote:is Santa gunna be delivering presents on a black Vespa now, huh ,
Paul
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
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DLRA #647
89.664 mph (aiming for 100mph+)
www.vespalabs.org
Re: Vespa Dry Lake Racer lives...
internetscooter wrote:hmmm...
so at the moment the only streamlining is the small hump on my leathers. Does that mean with an unblown engine (which is still a Vespa), no additional screen and no hump I can run as M/G 250cc? Current record 99.042?
edit: as far as I can tell from looking at the rules I do qualify in the Modified Production - 2014 just got more interesting
Modified Production?
Is this a new class?
G
They make it
I make it work
I make it work