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Old 12-13-2011, 05:24 PM   #1561
dorkpunch
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Quote:
Originally Posted by dirty_sanchez View Post
Heap Big Thanks for posting up.

Hope you don't mind, but I'd like to use this idea the next time I teach Auto Mechanics Merit Badge for Tiny D's Boy Scout Troop.

Dirty

Not at all! I didnt invent the engine, I just made it a whole lot easier to build. I entered it in a contest on instructables though, so if you want to,

VOTE FER ME!
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Old 12-13-2011, 11:35 PM   #1562
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At the school where I teach, all of the 8th grade science teachers hold an annual Pinewood Derby contest as a project for our students. I made this as my entry into the teacher's division. The "Cal" script mask didn't come out quite as clean as I had hoped, but I did draw the flames by hand and all painting was done by rattle can. I topped out the weight by melting lead shot into a cavity in the bottom of the car and employed some other speed tricks such as polishing the axles and wheel bores. The cool part is, my car won the teacher's division against a more experienced field!

-Connor
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Old 12-14-2011, 12:11 AM   #1563
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At the school where I teach, all of the 8th grade science teachers hold an annual Pinewood Derby contest as a project for our students. I made this as my entry into the teacher's division. The "Cal" script mask didn't come out quite as clean as I had hoped, but I did draw the flames by hand and all painting was done by rattle can. I topped out the weight by melting lead shot into a cavity in the bottom of the car and employed some other speed tricks such as polishing the axles and wheel bores. The cool part is, my car won the teacher's division against a more experienced field!
Go Pinewood Derby! Go Cal!

There's enough 8th grade Science teachers to have a Teachers Division? There's hope!


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Old 12-14-2011, 08:25 AM   #1564
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Go Pinewood Derby! Go Cal!

There's enough 8th grade Science teachers to have a Teachers Division? There's hope!

We are a large middle school and currently have six 8th grade science teachers. Our campus serves almost 2,300 students from the 6th-8th grades.

Go Bears!!!

-Connor
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Old 12-14-2011, 09:07 AM   #1565
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pinewoods cool..but c02 was always more fun
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Old 12-14-2011, 09:17 AM   #1566
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You FFs are a creative and talented lot! Here's something I made for my GF:

Very nice design. Crisp!
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Old 12-14-2011, 09:36 AM   #1567
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pinewoods cool..but c02 was always more fun
CO2 was cool, but ether cartridges, same size as the CO2, were a lot more fun. They are faster and the flame shooting out of the back ads a nice touch!
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Old 12-14-2011, 09:39 AM   #1568
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1952 Willys/Overland Pick-up

http://i28.photobucket.com/albums/c2.../willys4-1.jpg

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Old 12-14-2011, 05:32 PM   #1569
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I made this pin vise from a piece of curly hickory, a brass pipe nipple, and a Jacobs size 0 chuck. The Jacobs 0 chuck only holds up to 1/8", and a couple of times I've wanted to hold bits a little larger, so I'm going to make another using the Jacobs 1B chuck in the picture. The 1B will hold up to 1/4", so that will be a nice pair of pin vises I think. I have more of that hickory for the handle.
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Old 12-14-2011, 08:14 PM   #1570
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pinewoods cool..but c02 was always more fun
One of the Dads in our Pack made an outlaw car powered by one of those estes rocket motors. Farking Outta Control FAST. While the other outlaw cars were still on the downhill run, his car was at the finish line.

Tiny D finished Cub Scouts before I had a chance to build a rocket car.

Dirty
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Old 12-14-2011, 08:44 PM   #1571
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pinewoods cool..but c02 was always more fun
Got the chance to do that in "technology" class in junior high. Changed my life, turned me into a gearhead.
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Old 12-14-2011, 09:06 PM   #1572
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every year thru jr high and hs i managed to con the shop teach into letting me build a handfull of cars atleast 5 every year and id always challenge the teach to an ultimate as its useualy the teach that held the records lol...if i won id get to run an "out of spec" outlaw car.(screw weight/length and such but same cartrage).and id blow there minds....crazy cars that useualy disintegrated at the end of the track..i think ive probably got a few knife edge ones around in an old box

one year i had a car that was litteraly a bullet shaped section around the cartridge with a 1/4 inch triangle running to the front axle which was a wedge ..there wasnt enuf left to even make a note from and the heavily modified wheels even didnt survive the finish
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Old 12-14-2011, 09:16 PM   #1573
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Got the chance to do that in college... Changed my life too- made me a Junior High Technology Teacher.

Came up with this today. Two cylinder Boxer style Toilet Paper Engine.







the crank and pistons:



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Old 12-14-2011, 09:21 PM   #1574
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Got the chance to do that in college... Changed my life too- made me a Junior High Technology Teacher.
Hmmm...you've got me thinking about career options now!

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Came up with this today. Two cylinder Boxer style Toilet Paper Engine.
That's awesome!
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Old 12-14-2011, 09:27 PM   #1575
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A little help there.
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