Search found 68 matches
- Tue Apr 10, 2007 6:14 am
- Forum: General
- Topic: Difference in mechanical switch versus electronic switch
- Replies: 2
- Views: 8887
Re: Difference in mechanical switch versus electronic switch
not sure what an 1ac timer is but an electronic switch is faster switching, it inputs into the timer a "clean" glitch free signal. A mechanical switch will cause what is referred to as switch bounce. A simple switch that is redly available from local Radio Shack is called a HALL EFFECT swi...
- Mon Apr 09, 2007 7:23 am
- Forum: Do-It-Yourself
- Topic: Digital timer for $35 per lane
- Replies: 3
- Views: 9847
Re: Digital timer for $35 per lane
we are going to have 2 classes, 2 divisions STOCK and A. G. MODIFIED (anything goes almost) ages 5-14 and 15-85 run 4 races for best et then start eliminations. Hopfully have 100+ cars as well as a BEST OF SHOW car show. I know the eliminations sound brutal but have to start somewhere eliminating ca...
- Mon Apr 09, 2007 7:08 am
- Forum: Solenoid Start Gates
- Topic: Adding Reaction Time & Red Light to Start Gate
- Replies: 40
- Views: 69492
Re: Adding Reaction Time & Red Light to Start Gate
am presently designing such a tarting gate / tree with a very simple circuit that if the driver opens the start gate before the gree light the red light comes on in their lane. Car still runs but is "red lighted" the circuit I am designing is based on a quad D flip flop (74hc175) and coupl...
- Mon Apr 09, 2007 6:53 am
- Forum: Do-It-Yourself
- Topic: Digital timer for $35 per lane
- Replies: 3
- Views: 9847
Digital timer for $35 per lane
Am working on designing and building a racer actuacted starting gate/xmas tree as well as a timing system. Driver actuactes starting gate before green light -- YOUR OUTTA HERE! Ran across this site http://www.swan-tech.com/Computer%20Interface.htm and wondering if anybody has tried this set-up. Look...
- Wed Apr 04, 2007 8:31 am
- Forum: Planning, Preps & Running the Race
- Topic: Open Class Rules
- Replies: 5
- Views: 8022
Open Class Rules
RULES for upcoming June 30th race A. G. MODIFIED Anything goes (almost) RULES 1) Can not damage the track. 2) Can not hurt anyone. 3. WIDTH: Car must fit within its lane. Track lanes are 3 ½” rail to rail. Recommend 3” maximum width. The body width where the axles attach to the wheels shall not be l...
- Wed Apr 04, 2007 7:31 am
- Forum: Car & Semi-Truck Construction
- Topic: Home-made decals
- Replies: 11
- Views: 9081
Re: Home-made decals
My cubscouts built several cars in my shop and I took pictures of each scout (head shot) then resized pics, then printed onto clear self stick labels available from office supply stores. they come in full sheets etc. just print w/ inkjet then cut out, peel backing and apply. must be clear coated as ...
- Tue Apr 03, 2007 8:57 pm
- Forum: Commercial
- Topic: Brand of track ?
- Replies: 1
- Views: 5346
Brand of track ?
Our cub scout pack purchased an aluminium track w/ an order of finish finish line.
Track was purchased from scout shop or scout catalog in 2002
how can one determin what brand so more track can be bought.
havn't seen any brand name on it??
Hoping someone purchased same??
Track was purchased from scout shop or scout catalog in 2002
how can one determin what brand so more track can be bought.
havn't seen any brand name on it??
Hoping someone purchased same??
- Tue Apr 03, 2007 5:44 am
- Forum: Car & Semi-Truck Construction
- Topic: No rules open class..?
- Replies: 33
- Views: 28181
Re: No rules open class..?
You can have your prop cars but this soda bottle car looks like it could blow that prop car off the track--LOL
http://www.et.byu.edu/~wheeler/benchtop/xderby.php
http://www.et.byu.edu/~wheeler/benchtop/xderby.php