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GPS for Car Speed Check?

Discussion in 'General Chaos' started by Stack15, Jul 10, 2018.

  1. Stack15

    Stack15 Well-Known Member

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    so I have been in the hobby for about two whole weeks. The top question I get is “how fast do these cars go?”

    Can someone please recommend an inexpensive speedometer that I can attach to a car?

    I see this one on amazon but it is more than I wish to spend and has average reviews:

    SkyRC GPS Speedometer Altimeter For RC Car, Plane, Quadcopter GSM-010 https://www.amazon.com/dp/B00SA2JQL4/ref=cm_sw_r_cp_api_w9prBbXM3D9VN

    What do you use?
     
  2. Jerry-rigged

    Jerry-rigged Premium Member!
    Premium Member Excellence Award

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    I use an old iphone that I will strap to the car. The down side, one good crash, and the phone is toast. Which is why I use an old one.
     
  3. Piecejointe

    Piecejointe Well-Known Member

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    I use my running watch, it fits under the body so it is pretty safe.
     
  4. Stack15

    Stack15 Well-Known Member

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    I do have an old iPhone 6. I used to run when I was younger but now I am too old, broken and fat.
     
  5. olds97_lss

    olds97_lss Premium Member!
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    I use an old garmin car gps and clear the max MPH before a run. It has road rash now, but still works.
    [​IMG]
     
    WoodiE likes this.
  6. Mr.Duke

    Mr.Duke Well-Known Member

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    I use a spare iPhone 7 velcroed on top of the battery running this >>> speed app....

    IMG_7171.jpg

    I prefer this simply because it has a very useful black box feature that data logs speed over time and distance along with accelerometer data, gps position, and any elevation changes throughout the session.

    IMG_6444.PNG
     
  7. Stack15

    Stack15 Well-Known Member

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    Thank you everyone. I ordered a Garmin Gecko 2 on eBay for $35.
     
  8. Piecejointe

    Piecejointe Well-Known Member

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    Nice background lol.
    Don't all GPS log the speed and position? I know my running watch does, and you can see the info on a map afterwards, elevation and all.
     
  9. Dustin Mustangs

    Dustin Mustangs Well-Known Member

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    Does she have arms or a head? Meh, who needs those anyways.

    Oh um speed, if you are thrifty and good with math you could use a tape measure and stop watch. That’s how they do it at a drag strip... they time how long it takes you to travel the last 66’ and it’s all glorious math from there.
     
  10. Stack15

    Stack15 Well-Known Member

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    2DDA8B30-0F23-47B2-89C3-9CFF84D4C970.jpeg Just did a street run with a stock grainte 4x4 with a 2S LiPo Battery. It logged 43.5 MPH. Could that be right?!?!

    I thought I was maybe doing 30. This is optimal conditions though - flat, open, street.
     
  11. Stack15

    Stack15 Well-Known Member

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    B35811B9-830F-4511-86EB-A386AF4676DF.jpeg This is probably more accurate. 20.5 MPH. Same course. Same granite.
     
  12. Stack15

    Stack15 Well-Known Member

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    64978F5D-3FBF-4E36-800A-CB956F2BD08D.jpeg BE3DB554-E228-4B2A-8E31-ED6CB79512D6.jpeg The 1/10 raider hit 26.2.
     
  13. olds97_lss

    olds97_lss Premium Member!
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    I don't know why, but knowing how fast they go seems like such useful information. I had no clue for 18 years, then when I got the brushless revo, I wanted to know. 18 years of nitro, didn't care. 3 months of electric... all the sudden I started to care!
     
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