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Post by Smokinjoesracing on Jul 21, 2006 13:12:12 GMT -6
Doc did go into detail about gravitational forces being different at different altitudes. Humidity also plays a part on Air Drag. But I have to say...Wildfire II was Smokin' in that video.
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Post by patmanruls on Jul 21, 2006 17:03:11 GMT -6
Glenn, I believe Doc stated the perfect pass on Wirl's track would be a 2.9152 considering the affect of the G factor in Marietta. I am no physics guy and I don't know how to calculate G factor or timer affects or anything else like that but considering elevation above sea level and atmosheric density would probably have an affect on times, even on the same length track with the same timer. I don't know the exact dimensions of Larry's track at Lima but I do remember that D&M made a 2.90?? and 2.91?? pass. So I would guess that a perfect pass on that track would be around 2.87 - 2.88. Just my 2 cents. Bob, You're right, the track was very fast in Lima... probably the same timer problem Jewkes had originally.. Not sure if it will be checked or not. D&M was running 2.90' and 2.91's.. we wer trying to break a 2.9 I remember.... Maybe this year for sure..... I'll guarantee we are about .05 faster this year then last with our stuff nowadays... especially you... Making my reservations on Monday for Lima....
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Post by colopwdfan on Jul 22, 2006 10:43:49 GMT -6
I'm really new here too. but it did seem that things got a little heated from the beginning. I've checked Dr. Jobe's site out and even bought a few less expensive items (in other words not the book) and the products are good quality and sound in design (as far as my novice experience can tell). I believe (correct me DR Jobe, if I'm wrong) that you privately published the book. You guys can not believe how expensive even a lot thinner volume is. But I've had friends who wrote and were told that the subject matter may have limited appeal. The author believes it should be available to whatever audience is out there and fronts payment to publish the book him or her self. I also think that there might be some thought that Dr. Jobe is the infamous ebay professor. I do not believe that's the case. Which may be the cause of some anomosity. I have read many of the included pages on his Dr Jobe's site and found the info valuable. And bought from him with positive outcome.
I join with the others who have wished you well and pray for a quick recovery- I've been there done that and I know it's possible. I've never raced in WIRL either but I sure appreciate the info, skill and talents of all on this board (and others). Sorry to get so long winded. John Row, Heidi & Ben Row colopwdfan
Scouting for All
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Post by docjobe on Sept 20, 2006 19:32:47 GMT -6
Hi Guys
Just got back from Lima and got a couple of 2.96's on the track with corroded 0.015" axles
My old 1940 Sears Southbend 4" lathe just can't compete with these new fancy CNC jobs
I did measure the track dimensions at Lima. If you have the CM way back about 2.4" (6.0) cm)behind car center, a perfect time (no air or wheel friction and no wheel rotational inertia) will get you 2.8763 sec on the Virtual Race Simulator (VR - see my website) for the Perfect car with a CM also set at about 6.0 cm behind car center. So Barga was right on the money with his estimate
So Kevin of DerbyMaster's 2.9107, who had a CM of close to 6.0 cm, ran a fastest 2.9070 for a delta of 0.0307 which gives 0.8 car lengths behind perfect car. WOw!!
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Post by Barga Racing on Nov 16, 2006 0:07:17 GMT -6
For the WIRL Best Track measurements, and considering the g factor in Marietta as close to 979.27, the Perfect Car running a Perfect Race (or heat) is likely close to 2.9152 s. So far I we have a total 0.0130 seconds improvement so pehaps the Barga car, (or someone else) could get a heat of 2.9471 - 0.0130 = 2.9341 s (monkey butt effects not included) Doc Jobe Parrish's best individual heat times the last 3 months, excluding Sept since his cars were not there. July 2.9442 August 2.9351 October 2.9329 Only -.0177 more to go for the perfect run. Keep up the good work Mike!
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HyperDrive
Head in the Pine
Magnum Force
Posts: 243
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Post by HyperDrive on Nov 22, 2006 18:15:15 GMT -6
For the WIRL Best Track measurements, and considering the g factor in Marietta as close to 979.27, the Perfect Car running a Perfect Race (or heat) is likely close to 2.9152 s. So far I we have a total 0.0130 seconds improvement so pehaps the Barga car, (or someone else) could get a heat of 2.9471 - 0.0130 = 2.9341 s (monkey butt effects not included) Doc Jobe Parrish's best individual heat times the last 3 months, excluding Sept since his cars were not there. July 2.9442 August 2.9351 October 2.9329 Only -.0177 more to go for the perfect run. Keep up the good work Mike! Impressive to say the least. HyperDrive
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