Ping Pong Parachute B/C

donutsandcupcakes
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Re: Ping Pong Parachute B/C

Post by donutsandcupcakes » February 19th, 2020, 7:16 pm

Thank you for everyone's advice, draping the parachute on the tube and having ping pong ball on the side turned out to work the best for us when we tested today, so thanks everyone

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builderguy135
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Re: Ping Pong Parachute B/C

Post by builderguy135 » February 19th, 2020, 9:47 pm

donutsandcupcakes wrote:
February 19th, 2020, 7:16 pm
Thank you for everyone's advice, draping the parachute on the tube and having ping pong ball on the side turned out to work the best for us when we tested today, so thanks everyone
Just wondering, does it lean to one side during launch?
HSN '22 & DMAH Co-Captain
6-time medalist in Nationals 2019
2020 Sounds MIT and Princeton Champion
2020 (and probably 2021 :( ) Events: PPP/Sounds/Wright/Code/PaRaSiToLoGy

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Re: Ping Pong Parachute B/C

Post by CookiePie1 » February 19th, 2020, 9:57 pm

builderguy135 wrote:
February 19th, 2020, 9:47 pm
donutsandcupcakes wrote:
February 19th, 2020, 7:16 pm
Thank you for everyone's advice, draping the parachute on the tube and having ping pong ball on the side turned out to work the best for us when we tested today, so thanks everyone
Just wondering, does it lean to one side during launch?
I feel like it wouldn't really matter if the cg is right and it falls straight down. I wouldn't expect this design to arc that much
South Brunswick High School Captain '22
2020 Events: Protein Modeling, Ping Pong Parachute, Wright Stuff, Sounds of Music

Reality is merely an illusion, albeit a very persistent one.
-Albert Einstein

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builderguy135
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Re: Ping Pong Parachute B/C

Post by builderguy135 » February 19th, 2020, 10:00 pm

CookiePie1 wrote:
February 19th, 2020, 9:57 pm
builderguy135 wrote:
February 19th, 2020, 9:47 pm
donutsandcupcakes wrote:
February 19th, 2020, 7:16 pm
Thank you for everyone's advice, draping the parachute on the tube and having ping pong ball on the side turned out to work the best for us when we tested today, so thanks everyone
Just wondering, does it lean to one side during launch?
I feel like it wouldn't really matter if the cg is right and it falls straight down. I wouldn't expect this design to arc that much
The main reason that I think it would arc is because of the inconsistent air resistance on the parachute when it goes up. If it arced even a little bit, it wouldn't fall straight down and would likely catch onto the parachute.

On the other hand, I feel like the cup strat (ball in cup on top of rocket) might even be worse because the lip of the cup would catch onto the parachute and drag it down, even though it's more symmetrical and probably straighter than the other design (ball hanging from side).
Last edited by builderguy135 on February 19th, 2020, 10:02 pm, edited 1 time in total.
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2020 (and probably 2021 :( ) Events: PPP/Sounds/Wright/Code/PaRaSiToLoGy

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Re: Ping Pong Parachute B/C

Post by CookiePie1 » February 19th, 2020, 10:02 pm

builderguy135 wrote:
February 19th, 2020, 10:00 pm
CookiePie1 wrote:
February 19th, 2020, 9:57 pm
builderguy135 wrote:
February 19th, 2020, 9:47 pm


Just wondering, does it lean to one side during launch?
I feel like it wouldn't really matter if the cg is right and it falls straight down. I wouldn't expect this design to arc that much
The main reason that I think it would arc is because of the inconsistent air resistance on the parachute when it goes up. If it arced even a little bit, it wouldn't fall straight down and would likely catch onto the parachute.
i mean, if he's using a tube guard it's pretty smooth and if the tube is long enough there's really not much stuff for it to get stuck on
South Brunswick High School Captain '22
2020 Events: Protein Modeling, Ping Pong Parachute, Wright Stuff, Sounds of Music

Reality is merely an illusion, albeit a very persistent one.
-Albert Einstein

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builderguy135
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Re: Ping Pong Parachute B/C

Post by builderguy135 » February 19th, 2020, 10:04 pm

CookiePie1 wrote:
February 19th, 2020, 10:02 pm
builderguy135 wrote:
February 19th, 2020, 10:00 pm
CookiePie1 wrote:
February 19th, 2020, 9:57 pm


I feel like it wouldn't really matter if the cg is right and it falls straight down. I wouldn't expect this design to arc that much
The main reason that I think it would arc is because of the inconsistent air resistance on the parachute when it goes up. If it arced even a little bit, it wouldn't fall straight down and would likely catch onto the parachute.
i mean, if he's using a tube guard it's pretty smooth and if the tube is long enough there's really not much stuff for it to get stuck on
It catches on about like 40% of the time for me, not sure why. I think it might be because of the tape.
HSN '22 & DMAH Co-Captain
6-time medalist in Nationals 2019
2020 Sounds MIT and Princeton Champion
2020 (and probably 2021 :( ) Events: PPP/Sounds/Wright/Code/PaRaSiToLoGy

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CookiePie1
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Re: Ping Pong Parachute B/C

Post by CookiePie1 » February 19th, 2020, 10:09 pm

builderguy135 wrote:
February 19th, 2020, 10:04 pm
CookiePie1 wrote:
February 19th, 2020, 10:02 pm
builderguy135 wrote:
February 19th, 2020, 10:00 pm


The main reason that I think it would arc is because of the inconsistent air resistance on the parachute when it goes up. If it arced even a little bit, it wouldn't fall straight down and would likely catch onto the parachute.
i mean, if he's using a tube guard it's pretty smooth and if the tube is long enough there's really not much stuff for it to get stuck on
It catches on about like 40% of the time for me, not sure why. I think it might be because of the tape.
you mean the tape on the parachute or on the rocket?
South Brunswick High School Captain '22
2020 Events: Protein Modeling, Ping Pong Parachute, Wright Stuff, Sounds of Music

Reality is merely an illusion, albeit a very persistent one.
-Albert Einstein

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builderguy135
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Re: Ping Pong Parachute B/C

Post by builderguy135 » February 19th, 2020, 10:11 pm

CookiePie1 wrote:
February 19th, 2020, 10:09 pm
builderguy135 wrote:
February 19th, 2020, 10:04 pm
CookiePie1 wrote:
February 19th, 2020, 10:02 pm


i mean, if he's using a tube guard it's pretty smooth and if the tube is long enough there's really not much stuff for it to get stuck on
It catches on about like 40% of the time for me, not sure why. I think it might be because of the tape.
you mean the tape on the parachute or on the rocket?
Both, but the parachute is usually worse.
HSN '22 & DMAH Co-Captain
6-time medalist in Nationals 2019
2020 Sounds MIT and Princeton Champion
2020 (and probably 2021 :( ) Events: PPP/Sounds/Wright/Code/PaRaSiToLoGy

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CookiePie1
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Re: Ping Pong Parachute B/C

Post by CookiePie1 » February 19th, 2020, 10:17 pm

builderguy135 wrote:
February 19th, 2020, 10:11 pm
CookiePie1 wrote:
February 19th, 2020, 10:09 pm
builderguy135 wrote:
February 19th, 2020, 10:04 pm


It catches on about like 40% of the time for me, not sure why. I think it might be because of the tape.
you mean the tape on the parachute or on the rocket?
Both, but the parachute is usually worse.
ah, I see. Also side note, but why are you awake at 1:17 AM lmao
South Brunswick High School Captain '22
2020 Events: Protein Modeling, Ping Pong Parachute, Wright Stuff, Sounds of Music

Reality is merely an illusion, albeit a very persistent one.
-Albert Einstein

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builderguy135
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Re: Ping Pong Parachute B/C

Post by builderguy135 » February 19th, 2020, 10:29 pm

CookiePie1 wrote:
February 19th, 2020, 10:17 pm
builderguy135 wrote:
February 19th, 2020, 10:11 pm
CookiePie1 wrote:
February 19th, 2020, 10:09 pm


you mean the tape on the parachute or on the rocket?
Both, but the parachute is usually worse.
ah, I see. Also side note, but why are you awake at 1:17 AM lmao
Lmao. I'm studying for a test tmmr and obviously procrastinating. Wbu?
HSN '22 & DMAH Co-Captain
6-time medalist in Nationals 2019
2020 Sounds MIT and Princeton Champion
2020 (and probably 2021 :( ) Events: PPP/Sounds/Wright/Code/PaRaSiToLoGy

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