

| Subject: | Re: aerodynamics, was: 101 MPH Vanagon! |
| From: | Mike Miller |
| Date: | Sat, 16 Oct 2004 14:05:59 -0700 |
As I understood it way back in the day my Renault R -10 had a better Cx and Ct than the Alfa Romeo spyder. Weird if true. Mike On 10/16/04 1:38 PM, "Calle Fallberg" <calle.fallberg@TELIA.COM> wrote: > ProjectZwo had some bolt-on stuff that was supposed to help > Not sure if it was aerodynamic or just apperance help but anyway, a rear > wing, side skirts and a deeper air dam > But I guess the best thing to do to reduce drag would be shorter (lower) > coilspring, smaller mirrors and narrow rims and tyres :-) > And the Vanagon is not all bad, if you check Cw value and not bother about > front area (Cw x A) it�s actually supposed to be better than a Jaguar E-Type > ! > > Calle > > ----- Original Message ----- > From: "Antaki" <wrack@COMCAST.NET> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Saturday, October 16, 2004 7:22 PM > Subject: Re: 101 MPH Vanagon! > > >> I was being tongue-in-cheek with my comment about a rear wing. >> >> Sorry to say, I haven't heard of any aerodynamic fixes for any model of >> Vanagaon, >> with the exception of the air dam such as those that came stock on my '88 >> Wolfsburg edition. >> >> At this point, the air dam had been knocked loose by too many meetings >> with >> ground objects, although that is exacerbated by the Wolfy's stance being >> lower than normal by more than an inch, a factory mod. >> >> My Syncro Westy, on the other hand, did not come with the air dam, nor >> would >> one survive very long at all on this beast. ;-> >> >> Wait, I just found this page using Google, there must be more. >> >> good luck! >> >> Ron >> >> -----Original Message----- >> From: tmiller [mailto:tmiller@vcmails.com] >> Sent: Saturday, October 16, 2004 8:17 AM >> To: Antaki >> Cc: vanagon@GERRY.VANAGON.COM >> Subject: Re: 101 MPH Vanagon! >> >> >> Now that you mention it, what are the aerodynamic "fixes" for Vanagon >> campers? I suppose this is in the archives somewhere, but I'm just >> shooting from the hip at the moment. I know someone mentioned a >> deflector for the luggage area above the front seats. You mention an >> air deflector at the rear. What are the possible add-ons to reduce drag? >> Thanks! TEMiller >> >> Antaki wrote: >> >>> OK, so we;ve gone over the "why" factor and the "surprise the hot-rod" >>> factor. Now it's time for the "shock" factor - install a bloody big >>> wing on the back of that Vanagon!! >>> Bwahahahaaa... >>> Ron Antaki >>> >>> -----Original Message----- >>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf >>> Of Bruce Nadig >>> Sent: Tuesday, October 12, 2004 4:16 PM >>> To: vanagon@GERRY.VANAGON.COM >>> Subject: 101 MPH Vanagon! >>> >>> >>> Howdy All, >>> >>> As of last Wednesday, I successfully completed my first 1,000 miles in >>> Project Vanagon (Vincent) since I installed the '87 Porsche 3.2 liter >>> Carrera engine and G50 transmission. Over the weekend my buddy, and >>> Porsche Master Technician, Steve came over, and we (mostly Steve) >>> adjusted the valves. I still need to do an oil and filter change, but >>> that should happen in the next couple of days. >>> >>> Anyhow, today I had to drive down to San Antonio to take care of some >>> business. That gave me my first extended trip in the van, and it was on >>> fairly straight, although frequently congested, Interstate 35. On the >>> way to San Antonio I was able to achieve 101 MPH in 4th gear (the G50 >>> 'box is a 5-speed). I would have kept going, but I had to slow for >>> traffic. For a brick, 101 isn't too bad. >>> >>> On the way home, I had a couple more opportunities to let Vincent >>> stretch his legs. Once again I got him up to 101 mph in 4th but had to >>> slow for traffic. The greatest achievement of this second top speed run >>> is that it was uphill, into the wind. Vincent was still pulling hard >>> and accelerating in 4th as I went uphill. Once again, I ultimately had >>> to slow for traffic. >>> >>> I have a set of South African Big Brakes, but I haven't installed them >>> yet. I did, however, realize one additional braking characteristic of >>> the >>> Vanagon: if you lift off the throttle at 101, the van itself acts as its >> own >>> aerodynamic brake. Man, once you are off the gas things things slow down >>> FAST. >>> >>> I wish that traffic had been a little bit lighter so that I could have >>> gotten up a bit more steam and seen what Vincent would do in 5th. All >>> in all, I can't complain. 101mph in 4th, uphill, into the wind makes me >>> happy for now. >>> >>> By the way, I feel very confident that the indicated speed was >>> accurate. I have had my speedometer calibrated. In addition, I went >>> through a construction zone that has one of those portable radar >>> trailers that displays your speed. At that time it displayed 73mph, >>> exactly what was showing on my speedo. >>> >>> Once I got closer to Austin I did have one of my first stealth >>> encounters. A silver Honda with all sorts of decals and a huge can >>> hanging off the back passed me. Traffic was light enough at that point >>> that I was able to thread my way up to him and take him by surprise. I >>> don't know what was going through his mind, but I'd like to know what >>> he was thinking. >>> >>> Now I need to make arrangements to get some dyno time. >>> >>> Cheers, >>> motorbruce@hotmail.com >>> >>> >>> >>> >> > >
Have something to add on this topic today? Revive this thread in the forum »