It’s Pinewood Derby Day!

stretchlstretchl Posts: 1,295
Her first. Low friction thoughts and prayers appreciated!

k8s1qu5el9yh.jpeg
“Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
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  • stretchlstretchl Posts: 1,295
    8tbo0u0gug5u.jpeg
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • verbverb Posts: 7,647
    Very nice! Well done daddy! :smile:
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  • stretchlstretchl Posts: 1,295
    xxvjo2actiz0.jpeg
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • stretchlstretchl Posts: 1,295
    agmrzjiqs8ez.jpeg
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • MilitoMilito Posts: 585
    edited March 30
    Cute girl, good luck!

    My son and I did this many years ago in Indian Guides. He finished 2nd out of 600 entries in district.

    Little trick, use a wedge shaped car and used 3000 grit sandpaper (you can get higher than that now) to polish the axles. Use graphite on the axles after you polish them after using the sandpaper on them. Tell your kid this takes awhile to do so they need to keep working at it. They will be pleased with the results.

    We also did the rubber band powered rockets that run on a string in Indian Guides which was fun also.
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  • Dennis GardnerDennis Gardner Posts: 4,801
    edited March 30
    Good tips Milito! We bought 4 kits to finally end up with 4 wheels/axles that didn’t oscillate at speed. Matching the wheel to a smooth axle is key. You’ve got to be able to spin the wheel as fast as you can with your finger and have it not vibrate to win. I polished the axles and sanded wheel burrs to get the wheels true. Won our den, won pack, won city, won regional and took 3rd at state competition with this method. Oh yeah, he just turned 37 last week so this was a while back!
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  • Dennis GardnerDennis Gardner Posts: 4,801
    Got to be humbling getting whooped up on by the little girl with the pink car! Congrats!
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  • stretchlstretchl Posts: 1,295
    Yep! My wife pointed out that ours was the only girl to place. I’d not even noticed. :)
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • MilitoMilito Posts: 585
    edited March 30
    If the rules allow it, you can also set up the car to roll on 3 wheels. Two on back and one on the front. Less rolling resistance. Make sure you check that the car rolls straight after doing this if allowed.

    If you have a drill press, put the axles in the chuck to polish them or use a drill.

    Tell your daughter congrats from all of us.
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  • kharp1kharp1 Posts: 3,343
    That's great fun. She's adorable! Good luck!
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  • stretchlstretchl Posts: 1,295
    The rules to allow this, though the vehicle itself must have four wheels if I’m not mistaken. I think only three have to touch the track. I’ll check the specifics. Really appreciate all the hints here!!
    Milito wrote: »
    If the rules allow it, you can also set up the car to roll on 3 wheels. Two on back and one on the front. Less rolling resistance. Make sure you check that the car rolls straight after doing this if allowed.

    If you have a drill press, put the axles in the chuck to polish them or use a drill.

    Tell your daughter congrats from all of us.

    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • stretchlstretchl Posts: 1,295
    Milito wrote: »
    Tell your daughter congrats from all of us.

    We’ve not started talking about addictions yet. So I think I’ll ease her into the idea that I have group of audio enablers. :D
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • MilitoMilito Posts: 585
    You need to polish them after sanding.

    I like that serious look.
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  • stretchlstretchl Posts: 1,295
    I thought the 300 grit was polishing. What do u suggest for polishing?
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • kharp1kharp1 Posts: 3,343
    edited April 1
    stretchl wrote: »
    I thought the 300 grit was polishing. What do u suggest for polishing?

    10,000

    I think she's precious! I love her intensity, and, of course, she's as cute as can be in her safety goggles! I wish her the best of results and a little luck on top.
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  • stretchlstretchl Posts: 1,295
    OK. I'm on it. We used a friend's drill press yesterday. I guess for the final polish I can put the nail head in an electric drill and do it here at home?
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • kharp1kharp1 Posts: 3,343
    Try to use the fixed drill press if you can, it'll be more true than a hand held drill, even if it's mounted in a vice.
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    Secondary Rig:
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  • stretchlstretchl Posts: 1,295
    Thinking out loud here, I wonder what it might do to coat the polished nails/axles in some sort of clear coat. A thin layer. Obviously having the nail/axle perfectly plum vertically while drying.
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • MilitoMilito Posts: 585
    edited April 1
    Do not use clear coat as it won't be as smooth as the polished axles. Clear coat won't be as round also no matter how you put it on.

    As for polish, use any fine grit one and you can do it with a drill. We used a fine grit and then a ultra fine grit polish.

    A fixed drill press would be easier to use. If you do use a drill put it in a vise so it will be stable.

    BTW when I said 3 wheels I meant run 4 wheels, but only have one of the front wheels touch the track.

    You can do a search on google for pinewood derby speed tips and probably find a site that has them. It has been nearly 30 years since my son raced them. He still has the car that got 2nd in the final meet.

    Just remember , Pinewood derby cars are all about friction and drag going down the track. If your car runs true and it has less friction and drag than the car it is racing it will win as long as it gets an equal start. Make sure you daughter knows to line up the car correctly on the start and tell her why it is important. If the car isn't straight at the start she could lose even if she has a faster car. Also study the lanes as one lane is usually faster than the other and if she has a choice on which lane to use have her pick that one.

    We raced in three different meets before we went to the final round and the competition needless to say got better at each one. My son and a friend of his both made it to the final meet. My son made it to the final race, but his friend got beat a few races before the final race. Some of the kids got pretty upset that they lost. One kid my son beat had been beating every car pretty bad and when he got beat he got very upset.
    Post edited by Milito on
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  • minerminer Posts: 1,254
    I won my Pinewood derby in IL - and I am 61 yo. They have come a long way since 1967
    [
  • stretchlstretchl Posts: 1,295
    Ok. Nixing the clear coat idea.

    I understand about the 4th wheel. After the race I pushed the car over our granit kitchen counter and it turns out the LF wheel wasn’t quite touching the surface. Didn’t know that before the race but will make sure to keep it that way for the next.

    Have been lookin at various web sites. But enjoy the brainstorming here, too. So thanks for that.

    The way they do the races these days each car gets a run in each of the three lanes. Then they average out those three and the best avg time wins.

    A scout official places the cars in the starting position. That’s a great thought, though, about making sure the car is placed properly. Don’t know how much input we’ll have though.

    Will keep everyone posted on our progress. :)
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • ClipdatClipdat Posts: 7,138
    This thread reminds me of slot car racing. Maybe she would like that as well, if you have a shop/track near you. Unfortunately slot car racing is becoming less and less popular these days.
    "Electronic music is human sound adapting to indulge technology, and for some, it feels like the signature sound of energy. New and abstract sounds over hypnotic rhythms can conjure vast soundscapes for escape, pleasure, and transcendence."
  • stretchlstretchl Posts: 1,295
    I used to LOVE slot car when I was a kid!! Had a big Revell track with banked curves. Seems like there was a big track somewhere near our house that we went to a couple of times. There is one here in champaign that I’ve been meaning to take her to.

    But my wife and I we’re just talking about her possibly being overcommitted. Scouts & dance Monday’s, tutoring tuesdays, piano lessons Wednesdays, gymnastics Thursdays, family night Fridays, ice skating/swimming Saturdays and church Sundays. And we’re pitting in a couple of bee hives this spring.

    Wish running around for this stuff would exhaust her as much as it does her parents!
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • billbillwbillbillw Posts: 5,820
    stretchl wrote: »
    Thanks for the tips, guys! She did very well considering it was her (and my!) first time. She made the cut so we’re definitely planning to tweak the car before heading off to the Central Illinois council races in a few weeks. :)

    2sivt9v4devk.jpeg

    This is my first year not making a car and running the race since 2013. Kinda miss it. We won Den two times out of 5 years. Never did better than that.

    Funny, I was looking at the photos of the cars above and the 2nd car from the right looks almost exactly like my son's first car as a Tiger (the black with red stripes). We called it Black Widow and he won the den that year and placed 4th in the Pack (pack of almost 100 kids). That was our fastest car. Funny how that works. I did the same prep to the axles, improved weight distribution, and a bunch of other tweaks, but that 1st year car was still the best.
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  • stretchlstretchl Posts: 1,295
    Yeah. I told grace that we’ll see what we can do to improve, but we might not win at that level.

    I didn’t tell her what I’m secredtly afraid of - that we’ll go slower! :D
    “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'
    - Isaac Asimov

    Hi-Fi
    Apple Lossless --> Squeezebox Touch --> Joule Electra LA-100 Mark iii --> Yaqin MC-10t --> LSiM-705's
    Cabling by Groneberg
    Visuals
    http://StretchPhotography.com
    http://Vimeo.com/channels/stretchphoto
  • MilitoMilito Posts: 585
    edited April 1
    Good that they average the 3 lanes, much better that way.

    I also did slot cars for awhile in the 8th grade with my dad at a local track. Also did 1/8 scale gas R/C racing from 1976-1981.
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  • agfrostagfrost Posts: 2,269
    In addition to the 3-wheel trick, see if you can get the axles to have a very slight tilt down as they're inserted into the body. Gives the wheels a little camber that a) decreases contact patch with the track (less friction) and b) coaxes the wheels to the outside of the axle, where they will not rub against the body of the car (less friction). Keep this tilt to a small degree, so that the width of the car does not become more than allowed.

    z915bk83jqr4.png

    That picture has the angle exaggerated a bit (and it looks like the axles are bent? Don't do that, just insert each at a slight downward slope).

    I didn't go "crazy dad" with building PW cars for my two boys, but the above techniques let them be competitive every year and place in their pack/win a trophy. The first year we built whatever they wanted and ended up with pretty bricks, aerodynamically speaking. When each decided they wanted to be more competitive in subsequent years, we did a little research and engineered a bit better.

    Whatever the results, enjoy your time with her. My boys turned 16 and 13 last month and I can't believe how fast the years seem to pass...


    Jay
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