Derby Talk

For a particular configuration however, the use of modeling software such as VRII could be insightful. I retract this statement for now. I just tried a simulation with VRII and could not find a distance where a razor wheel configuration lost out to the 2009 stock wheel configuration. For the razor ...

I just think it would help the discussion to have a number that most agree on where it becomes beneficial to go back to heavier wheels if lighter are an option via the rules. :nod: Yes, a single crossover distance would be sweet; however, as Stan implied, there are many factors might affect the acc...

Now let me clarify my goals: I really just want [...] And if I lose, I'm all right with that... Thanks for the clarification, subnet99. Your stated goals seem aligned with construction and design commonly used in pro- or modified-class league racing. You may also want to check out boards that speci...

pwrd by tungsten wrote:Can you use a fan

You read my mind, PBT. Are power sources, for example, disallowed? Does anything really go? What are the actual constraints?

subnet99 :welcome: Can you clarify a bit what is meant by anything goes ? For example, the car size must be limited (the body must less that a certain length and height) or it would not fit on the track at the starting line or fit through the finish gate. Have you thought about other ways to get &qu...

As I mentioned before the micromesh can be ordered by calling them to get the adheasive backed micromesh. Sporty, since the Micromesh product you have recommended is not listed, do you have supplier part numbers or prices or any other information that would facilitate somebody wanting to order the ...

sporty wrote:I think to compare nyoil to graphite lube, you have to look to max-v test chart data on his site.

Sporty, I only found a Q&A page. Could you post a link to the "test chart data"?

UPDATE: Is this it?

gjjbmoore wrote:They watched me melt the lead.

Glad to hear you didn't have them try their hand at melting lead. Again, congrats.

So based on the experience w/ Ben's car, do you plan to use Nyoil next year or try something different?

Congratulations, Greg. Have any of you ever heard of waxing your cars before a race? Yes. BSA "rules in the box" comment on applying wax. And Pine-Pro actually makes a "Pinewood Derby Racing Wax". I have even seen a claim that lots of waxing reduces wind resistance. :wacko: We do...

How does the longevity of a minimalist liquid lube job compare to graphite? Is there a noticeable drop off in performance over time with liquid lubes as is sometimes reported with graphite? (Is there a topic on this already?)

Andy, what kind of ballast are you using in SheBangaBang and Slimer? Is it tungsten disk or composite?

What is the origin and composition of the bead?

shawnr5 wrote:I like to seal the wood with epoxy. The Bob Smith Industries 20 minute finish cure that most hobby shops sell with thier own label on is thin enough to brush on'

How much weight does an epoxy cure add?

Do you apply primer directly to raw wood, or do you seal it first, say with a sanding sealer?

pwrd by tungsten wrote:Thought I would start a thread on what everyones favorite paint is.

What is your favorite?

Thanks for your help and I apologize for not being clear before although I imagine this explanation is making it even worse. No need to apologize, DT. Your explanation actually seemed clear enough... I was just wondering whether your unit's rule was clear enough - that is, is the rule saying one th...