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Slider on a ram air parachute



 
 
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  #1  
Old June 22nd 15, 07:31 PM posted to rec.aviation.soaring
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Default Slider on a ram air parachute

Sliders are only removed from ramair parachutes for fixed object jumping or dopey stunts. Any 'already in the air' deployments will be likely be at a speed that causes damage either to equipment or jumper. Jumper first, the gear can take more then most people. You really don't want to use a nonslider equipped ramair parachute over 50 mph or so.
  #2  
Old June 22nd 15, 09:13 PM posted to rec.aviation.soaring
Nick[_5_]
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Default Slider on a ram air parachute

On Monday, 22 June 2015 19:31:26 UTC+1, wrote:
Sliders are only removed from ramair parachutes for fixed object jumping or dopey stunts. Any 'already in the air' deployments will be likely be at a speed that causes damage either to equipment or jumper. Jumper first, the gear can take more then most people. You really don't want to use a nonslider equipped ramair parachute over 50 mph or so.


Exactly. However, do you want to use a ram air parachute when it deploys slower than an emergency chute?
  #3  
Old June 22nd 15, 10:57 PM posted to rec.aviation.soaring
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Default Slider on a ram air parachute

Ramair reserves with sliders open faster and more reliably then rounds. The only advantage to rounds is price and the difference isn't that great if you are buying new.
  #4  
Old June 23rd 15, 06:44 AM posted to rec.aviation.soaring
Paul B[_2_]
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Default Slider on a ram air parachute

On Tuesday, 23 June 2015 07:57:03 UTC+10, wrote:
Ramair reserves with sliders open faster and more reliably then rounds. The only advantage to rounds is price and the difference isn't that great if you are buying new.



I am about to get a new chute and I am very interested in the RamAir system, mainly because I am at the top of allowable weight range and not getting any younger, so a potentially lower vertical velocity is appealing. Whilst I have some skydiving experience, this was under round canopies and some forty years ago. I had a look at the ram Air chute at the parachuteshop.com and found some conflicting advise.

"The P-124 will deliver its max payload at an unbelievably slow 12.1 feet/second, allowing standup landings and requiring no jumper control input at the landing phase."

also

"the P-124 requires no control input from the jumper in the landing phase. Consequently there is no additional training required of aircrew personnel over and above what they receive on current systems."

but it also says this

"Because of the advanced characteristics of these canopy designs, the Sport Aviator model may only be used by individuals who either have ram-air jumping experience such as skydiving, or have received special training in the use and performance of these canopies. "

So I am somewhat confused. Can anyone shed some light on this please.

Thanks

Paul
  #5  
Old June 23rd 15, 02:20 PM posted to rec.aviation.soaring
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Default Slider on a ram air parachute

Two different models. Sport is a regular skydiving reserve the Aviator is a large skydiving reserve detuned(simply lengthened steering lines.) Both have lower descent rates then round parachutes. If you can fly a glider you can fly a simple ramair parachute with little training.
On Tuesday, June 23, 2015 at 1:45:01 AM UTC-4, Paul B wrote:
On Tuesday, 23 June 2015 07:57:03 UTC+10, wrote:
Ramair reserves with sliders open faster and more reliably then rounds. The only advantage to rounds is price and the difference isn't that great if you are buying new.



I am about to get a new chute and I am very interested in the RamAir system, mainly because I am at the top of allowable weight range and not getting any younger, so a potentially lower vertical velocity is appealing. Whilst I have some skydiving experience, this was under round canopies and some forty years ago. I had a look at the ram Air chute at the parachuteshop.com and found some conflicting advise.

"The P-124 will deliver its max payload at an unbelievably slow 12.1 feet/second, allowing standup landings and requiring no jumper control input at the landing phase."

also

"the P-124 requires no control input from the jumper in the landing phase.. Consequently there is no additional training required of aircrew personnel over and above what they receive on current systems."

but it also says this

"Because of the advanced characteristics of these canopy designs, the Sport Aviator model may only be used by individuals who either have ram-air jumping experience such as skydiving, or have received special training in the use and performance of these canopies. "

So I am somewhat confused. Can anyone shed some light on this please.

Thanks

Paul

  #6  
Old June 23rd 15, 05:11 PM posted to rec.aviation.soaring
Dan Marotta
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Default Slider on a ram air parachute

I took the training and have a P-124. It's rigged so that it cannot be
stalled. Otherwise it's pretty much the same as other ram air chutes.
You should take some training jumps with a ram air chute before doing it
for the first time alone. Since you have prior experience with jumping,
it should be a breeze rather being scared sh!tless as I was. Still, I
made 7 jumps and enjoyed each one after letting go of the airplane! The
sport rigs had more capability to stall the canopy, but that's the only
difference that I know of.

On 6/22/2015 11:44 PM, Paul B wrote:
On Tuesday, 23 June 2015 07:57:03 UTC+10, wrote:
Ramair reserves with sliders open faster and more reliably then rounds. The only advantage to rounds is price and the difference isn't that great if you are buying new.


I am about to get a new chute and I am very interested in the RamAir system, mainly because I am at the top of allowable weight range and not getting any younger, so a potentially lower vertical velocity is appealing. Whilst I have some skydiving experience, this was under round canopies and some forty years ago. I had a look at the ram Air chute at the parachuteshop.com and found some conflicting advise.

"The P-124 will deliver its max payload at an unbelievably slow 12.1 feet/second, allowing standup landings and requiring no jumper control input at the landing phase."

also

"the P-124 requires no control input from the jumper in the landing phase. Consequently there is no additional training required of aircrew personnel over and above what they receive on current systems."

but it also says this

"Because of the advanced characteristics of these canopy designs, the Sport Aviator model may only be used by individuals who either have ram-air jumping experience such as skydiving, or have received special training in the use and performance of these canopies."

So I am somewhat confused. Can anyone shed some light on this please.

Thanks

Paul


--
Dan Marotta

  #7  
Old June 23rd 15, 10:12 PM posted to rec.aviation.soaring
JS
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Default Slider on a ram air parachute

Paul, et al:
Would have thought everyone would want to get trained for and do a sport jump.
I made two "static line equivalent" square sport jumps before buying a PD235 from Silver Parachute. Great fun, added to 20 previous round chute jumps and 100+ hours of paraglider, which is a high aspect ratio ram air chute.
It's easy to land a square chute where you want to and on two feet. It's also better in high winds than the old round things.
A square chute is not better if you release the toggles then do nothing, ie: pass out. With the toggles released a square chute has a hands-off forward speed of about 25MPH.
Jim
  #8  
Old June 24th 15, 12:36 AM posted to rec.aviation.soaring
Paul B[_2_]
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Default Slider on a ram air parachute

On Wednesday, 24 June 2015 07:12:02 UTC+10, JS wrote:
Paul, et al:
Would have thought everyone would want to get trained for and do a sport jump.
I made two "static line equivalent" square sport jumps before buying a PD235 from Silver Parachute. Great fun, added to 20 previous round chute jumps and 100+ hours of paraglider, which is a high aspect ratio ram air chute.
It's easy to land a square chute where you want to and on two feet. It's also better in high winds than the old round things.
A square chute is not better if you release the toggles then do nothing, ie: pass out. With the toggles released a square chute has a hands-off forward speed of about 25MPH.
Jim


Thank you all for your informative replies. I will follow up all the posts and links, but it does seem to me that a ramair is the way to go. Not that I have Dan M's problems, I fly over a flat land farming country (in Australia) and never that much wind. Not that I would not trade the scenery though.. It would be my turn to be scared sh!tless .

Cheers

Paul
  #9  
Old June 24th 15, 06:54 PM posted to rec.aviation.soaring
Dan Marotta
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Posts: 4,601
Default Slider on a ram air parachute

chuckle

I made a long reply to Jonathan St. Cloud regarding his questions. I had
meant to post to the newsgroup so, Jonathan, if you see this, please
repost it to the newsgroup. I don't have a copy...

Dan

On 6/23/2015 5:36 PM, Paul B wrote:
On Wednesday, 24 June 2015 07:12:02 UTC+10, JS wrote:
Paul, et al:
Would have thought everyone would want to get trained for and do a sport jump.
I made two "static line equivalent" square sport jumps before buying a PD235 from Silver Parachute. Great fun, added to 20 previous round chute jumps and 100+ hours of paraglider, which is a high aspect ratio ram air chute.
It's easy to land a square chute where you want to and on two feet. It's also better in high winds than the old round things.
A square chute is not better if you release the toggles then do nothing, ie: pass out. With the toggles released a square chute has a hands-off forward speed of about 25MPH.
Jim

Thank you all for your informative replies. I will follow up all the posts and links, but it does seem to me that a ramair is the way to go. Not that I have Dan M's problems, I fly over a flat land farming country (in Australia) and never that much wind. Not that I would not trade the scenery though. It would be my turn to be scared sh!tless .

Cheers

Paul


--
Dan Marotta

  #10  
Old June 23rd 15, 05:08 PM posted to rec.aviation.soaring
Dan Marotta
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Posts: 4,601
Default Slider on a ram air parachute

I've seen the result of using a round canopy in the high desert. I
opted for the controllability of a ram air canopy. It is an emergency
chute with similar opening characteristics to a round canopy. If you're
interested, here's a link to the manual:
http://www.rigginginnovations.com/fi...AviatorMnl.pdf

On 6/22/2015 2:13 PM, Nick wrote:
On Monday, 22 June 2015 19:31:26 UTC+1, wrote:
Sliders are only removed from ramair parachutes for fixed object jumping or dopey stunts. Any 'already in the air' deployments will be likely be at a speed that causes damage either to equipment or jumper. Jumper first, the gear can take more then most people. You really don't want to use a nonslider equipped ramair parachute over 50 mph or so.

Exactly. However, do you want to use a ram air parachute when it deploys slower than an emergency chute?


--
Dan Marotta

 




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