Date:         Mon, 6 Sep 2004 14:14:59 -0500
Reply-To:     Paul & Becky Oliver <oliver8@TDS.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Paul & Becky Oliver <oliver8@TDS.NET>
Subject:      Re: vanagon top speed, extrapolation
Comments: To: Jere Hawn <jghawn@COMCAST.NET>
Content-Type: text/plain; charset="iso-8859-1"

I've done over 80mph with stock 1.9 (going down hill)
Paul
----- Original Message -----
From: "Jere Hawn" <jghawn@COMCAST.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, September 04, 2004 2:37 AM
Subject: Re: vanagon top speed, extrapolation


> Been 95 mph in mine with the stock 2.1.......
>
> However I had the clutch in and a trailer on the back coming out of the
> mountains in W. Va.
>
> Jere
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Alistair Bell
> Sent: Friday, September 03, 2004 10:19 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: vanagon top speed, extrapolation
>
> I posted M. Jagersand's speed vs power data set the other day.
>
> here it is again and with my quick and dirty extrapolation to 50 m/s
>
>
> Martin's data:
>
>   Speed (m/s)  Total drag (kW)
>        ----------------------------
>           15.00         -7.99
>           20.00        -19.69
>           25.00        -34.74
>           30.00        -53.15
>
> Extrapolation:
>
> 35.000  -76.50
> 40.000  -103.63
> 45.000  -134.59
> 50.000  -168.00
>
>
>
> Converted into Imperial units:
>
> Speed (mph)     Total drag (hp)
>
> 33.67           -10.72
> 44.89           -26.41
> 56.11           -46.59
> 67.33           -71.25
>
> 78.55           -102.59
> 89.78           -138.00
> 101.00          -180.49
> 112.22          -225.29
>
>
> So roughly, and I do mean a rough estimate, to go 112 mph in a Vanagon
> one needs around 225 hp at the driving wheels.
>
>
> I have to restate that this is an estimate, no doubt off by a bit, but
> it gives one an idea of the power involved.
>
>
>
> Alistair
>
> '82 westy, diesel converted to gas in '94
>
> http://www.members.shaw.ca/albell/