Old School Rocket Car Build

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Re: Old School Rocket Car Build

Post by coxbros1 »

1911Colt wrote: Mon Oct 02, 2023 12:55 pm The "braking zone" looks pretty brutal. Is the chassis holding up well?
Yeah the brakes worked great until we started going over 100mph, now they don't even feel like they work but they do, lol...brake fade is bad
Tap pic for clarity: Derek

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Re: Old School Rocket Car Build

Post by coxbros1 »

1911Colt wrote: Mon Oct 02, 2023 12:55 pm Is the chassis holding up well?
Factory Works chassis holding up flawlessly!
Tap pic for clarity: Derek

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Re: Old School Rocket Car Build

Post by RogueIV »

That thing is ridiculously fast. Almost wonder if you need to install some air brakes to slow her down.
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Re: Old School Rocket Car Build

Post by juicedcoupe »

Screenshot_20231002_160812_Gallery.jpg
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Re: Old School Rocket Car Build

Post by Frankentruck »

It almost seems like a scale recreation of this awesome myth:

https://darwinawards.com/darwin/darwin1995-04.html
Frankensteined RC10T3 / Franky Jr RC10GT-e (x2) / A+ stamp / Toy Story RC / Graphite replica / B1.5 BFG 5LTi / Clonewald / Hyper Hornet

"I love the effort, but it sure looks like you took the long way around to a tub again"

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Re: Old School Rocket Car Build

Post by coxbros1 »

RogueIV wrote: Mon Oct 02, 2023 5:07 pm That thing is ridiculously fast. Almost wonder if you need to install some air brakes to slow her down.
I thought of mounting a small forward rocket that pushes back and is set off on a timer...basically a reverse thruster
Tap pic for clarity: Derek

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Re: Old School Rocket Car Build

Post by Dadio »

coxbros1 wrote: Mon Oct 02, 2023 5:28 pm
RogueIV wrote: Mon Oct 02, 2023 5:07 pm That thing is ridiculously fast. Almost wonder if you need to install some air brakes to slow her down.
I thought of mounting a small forward rocket that pushes back and is set off on a timer...basically a reverse thruster
Do this , do it now :!:
If a jobs not worth doing then its certainly not worth doing well.
A problem shared is a problem halved but an advantage shared is no advantage at all.

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Re: Old School Rocket Car Build

Post by Dangeruss »

Dadio wrote: Mon Oct 02, 2023 5:38 pm
coxbros1 wrote: Mon Oct 02, 2023 5:28 pm
RogueIV wrote: Mon Oct 02, 2023 5:07 pm That thing is ridiculously fast. Almost wonder if you need to install some air brakes to slow her down.
I thought of mounting a small forward rocket that pushes back and is set off on a timer...basically a reverse thruster
Do this , do it now :!:
I think I saw coxbros1 pickup up some parts for his car :mrgreen:

Image

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Re: Old School Rocket Car Build

Post by THEYTOOKMYTHUMB »

This morning. Spoiler alert: it doesn't fly very well... :lol:
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Ken

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Re: Old School Rocket Car Build

Post by Dangeruss »

I put together a compilation of all the runs so far into one video!



In all seriousness, rough run. Would moving the rockets forward change the center of pressure and reduce the cars tendency to become airborn?

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Re: Old School Rocket Car Build

Post by coxbros1 »

Here's a pic of after it landed...
Resized_20231018_070001.jpeg
An internal investigation🔎 was launched after the crash....and the reason was discovered:
The left/right and up/down stabilizer rods both broke half way thru the run....this is what centers and and angles the engine and keeps it stable...after they broke the engine flopped all over the place, up down left and right causing the catastrophe....this engine had so much power it just couldn't hold up....video doesn't do it justice...when i hit that igniter it sounded like a bomb went off....the thrust curve on that engine is max at intital then tapers off...if u watch the video slowly it was on a real nice pass....until it broke....I will rebuild the car, make some improvements and do it again!!
Tap pic for clarity: Derek

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Re: Old School Rocket Car Build

Post by Dadio »

coxbros1 wrote: Wed Oct 18, 2023 1:48 pm Here's a pic of after it landed...

Resized_20231018_070001.jpeg

An internal investigation🔎 was launched after the crash....and the reason was discovered:
The left/right and up/down stabilizer rods both broke half way thru the run....this is what centers and and angles the engine and keeps it stable...after they broke the engine flopped all over the place, up down left and right causing the catastrophe....this engine had so much power it just couldn't hold up....video doesn't do it justice...when i hit that igniter it sounded like a bomb went off....the thrust curve on that engine is max at intital then tapers off...if u watch the video slowly it was on a real nice pass....until it broke....I will rebuild the car, make some improvements and do it again!!
One of my go to phrases "and I'll do it again !"
If a jobs not worth doing then its certainly not worth doing well.
A problem shared is a problem halved but an advantage shared is no advantage at all.

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Re: Old School Rocket Car Build

Post by morrisey0 »

coxbros1 wrote: Wed Oct 18, 2023 1:48 pm An internal investigation🔎 was launched after the crash....and the reason was discovered:
I thought the culprit was pretty obvious ...................... not enough power! :lol:
I build RCs like people would have done back in the '90s ..................................... if they had 3D printers.

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Re: Old School Rocket Car Build

Post by R6cowboy »

morrisey0 wrote: Wed Oct 18, 2023 2:43 pm I thought the culprit was pretty obvious ...................... not enough power! :lol:
I concur. Always seemed to be a great solution for Tim "The Tool Man" Taylor :lol:
-Jerry-

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Re: Old School Rocket Car Build

Post by coxbros1 »

It is Alive!

earlier when it all went wrong
Screenshot_20231018-152510_Gallery.jpg

Currently...after repairs and modifications
20231018_152158.jpg
Tap pic for clarity: Derek

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