Chute shroud lines

[Joshua Westbrook]

Likely a noob question but I gotta ask it.

Why are the shroud lines so short when you order a chute from apogee for example? Is it to reduce drag or save cost?

I re-tied my plastic chutes to longer lines for full effect and better drag. I think they are roughly 24-30 inches of line. I will get photos this weekend when I get home.

 

[BABAR]

Doesn’t answer your question but may be helpful

https://www.apogeerockets.com/education/downloads/Newsletter368.pdf

 

[BABAR]

Also been asked before (wow, 7 years ago, by me!)

https://www.rocketryforum.com/threads/optimal-length-of-parachute-shroud-lines.43704/

 

[Joshua Westbrook]

Thank you!

 

[BABAR]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

 

[Joshua Westbrook]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

Thank you BABAR. Very good read on it.

 

[jazzviper1]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

Sorry for butting in but there is no such thing as a parasheet. The word parachute is French para=shield + chute=fall. Literally ant object that shields from a fall can be called a parachute.
Many real parachutes can be laid out flat.

 

[jazzviper1]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

 

[jazzviper1]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

 

[jazzviper1]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

Sorry for butting in but there is no such thing as a parasheet. The word parachute is French para=shield + chute=fall. Literally ant object that shields from a fall can be called a parachute.
Many real parachutes can be laid out flat.

 

[jazzviper1]

Sorry for the multiples had a computer glitch.

 

[BABAR]

Sorry for butting in but there is no such thing as a parasheet. The word parachute is French para=shield + chute=fall. Literally ant object that shields from a fall can be called a parachute.
Many real parachutes can be laid out flat.

https://www.rocketreviews.com/parasheet-180703140820.html
https://www.apogeerockets.com/education/downloads/Newsletter183.pdf
https://scottbryce.com/parachute/spherical_parachute.html
https://www.unm.edu/~tbeach/IT145/week05/parts.html
Also Handbook of Model Rocketry , 7th edition, page 181

 

[jazzviper1]

https://www.rocketreviews.com/parasheet-180703140820.html
https://www.apogeerockets.com/education/downloads/Newsletter183.pdf
https://scottbryce.com/parachute/spherical_parachute.html
https://www.unm.edu/~tbeach/IT145/week05/parts.html
Also Handbook of Model Rocketry , 7th edition, page 181

It is a made up term that started in Stines books.

 

[BABAR]

It is a made up term that started in Stines books.

LOL, Stine seems like a reasonable reference to me.

 

[AfterBurners]

A good rule of thumb for most is the length should be equal to the diameter, but I'm sure if the lines are longer it won't matter much. When I tie my lines on plastic chutes I always make sure the lines doesn't cinch on the plastic chutes because this tends to tear the chute up so I always makes sure that ther is gap between the knot and the chute.

 

[Handeman]

The only chutes I've bought are the ones that come with kits. I make all of my larger ones. I use shroud lines 1.5 x the chute diameter. I've found that the longer length reduces the amount of swinging that happens and stabilizes the chute much better. Of course a center spill hole helps that a lot too.

 

[crossfire]

Here is what Fruity Chutes says, although their is a real parachute, as opposed to what most low power kits contain which is a parasheet (which needs to be pronounced carefully.)

They use 1.15 diameter for each single shroud line

https://fruitychutes.com/help_for_parachutes/how_to_make_a_parachute.htm

So if it's not a real parachute it must be fake.

 

[Joekeyo]

No, it's sheet.

 

[BABAR]

The word parachute is French para=shield + chute=fall. Literally ant object that shields from a fall can be called a parachute.

So if your paraCHUTE doesn’t open,you say, “oh shoot.”
If your paraSHEET doesn’t open........

 

[dhbarr]

Sorry for butting in but there is no such thing as a parasheet. The word parachute is French para=shield + chute=fall. Literally ant object that shields from a fall can be called a parachute.
Many real parachutes can be laid out flat.

A bike helmet. Rubber playground padding. My wrists. A balustrade.