Search found 10 matches

by Dmclellan
September 1st, 2009, 6:50 pm
Forum: Tech Tips, Rules, and Safety
Topic: Tires?
Replies: 127
Views: 50291

Re: Tires?

Does the FV tire size cause more tire wear and shorter tire life?
FST have shorter and wider tires and are reported to last all season.
by Dmclellan
June 20th, 2009, 12:55 pm
Forum: Tech Tips, Rules, and Safety
Topic: Some possible rules questions
Replies: 27
Views: 17180

rev limiter?

I don't know the tech details or cost, but would rev limiting reduce cost?
by Dmclellan
April 30th, 2009, 3:29 pm
Forum: Tech Tips, Rules, and Safety
Topic: Mouth guard
Replies: 8
Views: 5255

Re: Mouth guard

Thanks for the replies. I'll try one for the next race.
by Dmclellan
April 28th, 2009, 3:41 pm
Forum: Tech Tips, Rules, and Safety
Topic: Mouth guard
Replies: 8
Views: 5255

Mouth guard

Does anyone drive with a mouth guard? If so, what type?

Doug
by Dmclellan
February 1st, 2009, 6:24 pm
Forum: Tech Tips, Rules, and Safety
Topic: New manifold rules in GCR
Replies: 80
Views: 34058

New manifold rules in GCR

Will this new wording make some manifolds that are now okay, illegal after 04-01-09?
by Dmclellan
June 12th, 2008, 5:40 pm
Forum: General Discussion
Topic: Low turnouts
Replies: 135
Views: 118613

Re: Low turnouts

interchange/viewtopic.php?f=4&t=2416
In the Events News, Info & Results there is a thread about the Bob Scott Formula Car Racing Series.
by Dmclellan
May 30th, 2008, 12:34 am
Forum: Tech Tips, Rules, and Safety
Topic: Tire Balancing
Replies: 21
Views: 8027

Re: Tire Balancing

Based on my GPS Data system: 88.35 MPH at 5313 RPM would make my car do 116.4 at 7000 RPM. I don't know how accurate my Traqmate system is.
by Dmclellan
May 19th, 2008, 9:01 pm
Forum: Tech Tips, Rules, and Safety
Topic: Carb Air Scoop?
Replies: 29
Views: 14253

Re: Carb Air Scoop?

I didn't say a scoop was a bad thing. I said that basically anything dragged through the will create drag. If a scoop is need to cool the oil, the drag doesn't matter.
I still woluld ike to know how much a scoop could improve engine performance. Does 0.1 pounds of boost matter?
by Dmclellan
May 19th, 2008, 1:34 pm
Forum: Tech Tips, Rules, and Safety
Topic: Carb Air Scoop?
Replies: 29
Views: 14253

Re: Carb Air Scoop?

I think the scoop likes great, but The air scoop does not sallow the air; the scoop deflects the air. In this case down which means lift and drag. The scoop must accelerate the air from rest to the speed of the car and then deflects it down. If the air passes through the oil cooler, the low pressure...
by Dmclellan
May 16th, 2008, 4:38 pm
Forum: Tech Tips, Rules, and Safety
Topic: Carb Air Scoop?
Replies: 29
Views: 14253

Re: Carb Air Scoop?

The trade off for an air scopes is increased horse power verses increased drag. At 80MPH or 7000 FPM the air velocity pressure is about 3 inches of water or 0.108 PSI. For a 10" x10" air scoop assume a Cd of 1 (WAG) that's about 11 pounds of force. Force times velocity equals horsepower, s...