Search found 47 matches

by ironband
Sat Dec 07, 2019 4:51 pm
Forum: General Car/Truck Racer Topics
Topic: Pinewood Derby Podcast
Replies: 9
Views: 16450

Re: Pinewood Derby Podcast

Thanks guys,

I'm hoping to resume regular production after the new year. I'm happy to do some industry news and whatnot. As Eagle mentioned, I've had my hands full.

Next episode will be all about weights, and the one after that will be about aero.

Andre
by ironband
Wed Sep 04, 2019 11:05 pm
Forum: General Car/Truck Racer Topics
Topic: Pinewood Derby Podcast
Replies: 9
Views: 16450

Re: Pinewood Derby Podcast

Thanks for the mention! I'm having a lot of fun doing the podcast. Any feedback anyone has is appreciated - I'm new at this and hoping to improve over time.
by ironband
Wed Sep 04, 2019 11:01 pm
Forum: Other
Topic: Raspberry Pi based Instant Replay system
Replies: 8
Views: 18098

Re: Raspberry Pi based Instant Replay system

With regard to the external sensor, I have toyed with it. What I have going now as a prototype that I need to test is a box that goes between the gate and the computer. When the box senses that finish line data has been sent to the computer, it triggers my code, using the longest finish time to go b...
by ironband
Wed Sep 04, 2019 10:59 pm
Forum: Other
Topic: Raspberry Pi based Instant Replay system
Replies: 8
Views: 18098

Re: Raspberry Pi based Instant Replay system

I tried it with a USB camera, but the response was too slow. Granted, that was when I was running a Raspberry Pi B+. Now that I'm running a 3, it might be worth another try. That said, I am playing with the idea of networking a Pi Zero in to get another camera angle. I have all the hardware, I just ...
by ironband
Wed Jun 12, 2019 10:44 am
Forum: General Topics
Topic: Soapbox Derby
Replies: 1
Views: 8468

Re: Soapbox Derby

Wait...I live in Livermore. I need to get more info on this...

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by ironband
Thu May 16, 2019 9:05 am
Forum: Do-It-Yourself
Topic: Stop section
Replies: 6
Views: 18262

Re: Stop section

The friction material can be had at McMaster Carr in 10 or 50ft lengths.

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by ironband
Fri Apr 05, 2019 10:59 pm
Forum: General Car/Truck Racer Topics
Topic: Is XPS foam lighter then balsa?
Replies: 13
Views: 21878

Re: Is XPS foam lighter then balsa?

Here they are in their final form.
Image
by ironband
Tue Mar 19, 2019 6:50 pm
Forum: General Topics
Topic: Tips for winning the SLOWest Car?
Replies: 28
Views: 81811

Re: Tips for winning the SLOWest Car?

Usually just triggered by air. Here's a video:

https://www.youtube.com/watch?v=2BoLztcYYlg
by ironband
Tue Mar 19, 2019 6:15 pm
Forum: General Topics
Topic: Tips for winning the SLOWest Car?
Replies: 28
Views: 81811

Re: Tips for winning the SLOWest Car?

Are you allowed a sail? The best snail racers use a sail that deploys during the downhill, slowing the car down, then folds down as the car coasts slowly to the finish.

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by ironband
Sat Mar 16, 2019 4:24 pm
Forum: General Car/Truck Racer Topics
Topic: Is XPS foam lighter then balsa?
Replies: 13
Views: 21878

Re: Is XPS foam lighter then balsa?

No, sorry. Not that light :)

12.2g
by ironband
Sat Mar 16, 2019 9:26 am
Forum: General Topics
Topic: Red Rocket ?
Replies: 13
Views: 27876

Re: Red Rocket ?

Why is all the good stuff unavailable in Cali? Grr.....
by ironband
Fri Mar 15, 2019 8:29 pm
Forum: General Car/Truck Racer Topics
Topic: Is XPS foam lighter then balsa?
Replies: 13
Views: 21878

Re: Is XPS foam lighter then balsa?

Image

They're coming along.
by ironband
Thu Mar 07, 2019 8:31 am
Forum: General Car/Truck Racer Topics
Topic: Is XPS foam lighter then balsa?
Replies: 13
Views: 21878

Re: Is XPS foam lighter then balsa?

Yeah, basically Modge Podge or White glue watered down.

I haven't finished a set yet to take pics of, but when I have something pic worthy I'll throw it up.
by ironband
Wed Mar 06, 2019 7:41 pm
Forum: General Car/Truck Racer Topics
Topic: Is XPS foam lighter then balsa?
Replies: 13
Views: 21878

Re: Is XPS foam lighter then balsa?

Yeah, tests with acrylic gloss paint have been less than satisfactory. However, I think some PVA and then urethane over that could be quite durable.
by ironband
Tue Mar 05, 2019 10:57 pm
Forum: Car & Semi-Truck Construction
Topic: Hello brand new here.
Replies: 122
Views: 151192

Re: Hello brand new here.

I'd lube before tuning. As I understand it Krytox is good for weeks after application. I'm not really familiar with the oil application process, but I believe you just put a drop on the axle, turn it to coat the area that the wheel will ride on, put it in the wheel, and soak up any excess with some ...