Precision Aerodynamics Pl 3001 Owner's Manual

REVISIONS

THIS MANUAL TO

REVISION. YOU MUST VERIFY THAT AU REVISIONS STAY WITH THIS MANUAL. THIS MANUAL IS

ISSUED TO A SPECIFIC CANOPY, AND WAS SHIPPED WITH

FOLLOWING REVISIONS

INCLUDED. THE

MANUAL

DOES NOT CONTAIN ALL REVISIONS.

IF IT

SHIPPED WITH

REVISIONS:

Ram-Air

Owners Manual

Part Pl 3001

reserved.

in whole in part without Permission is prohibited.

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Quick Reference:

Please read this manual for the first time from front to back, beginning on page 1. After doing this, please

registration

in and return the postage-free owner

To find:

The Parts of A (line drawing)

Glossary

New Owner’s Checklist

Go to

6 7 8

Selecting the Right Canopy

Reserve Canopy Installation and 13

Attaching the Canopy to the Risers

Reserve, Main Canopy Folding Main Canopy Folding

Lines and Toggles

14 17

25 47

Care and Maintenance 48

How to Precision 50

U.S. Federal Rules (FAR Part 105) 5 3 TSO Standards 57 Trouble Report Form

this manual . .

Single words displayed in type will be found in the Glossary on page 7 in the above “Quick Reference.”

This warning indicates items of extreme

throughout the manual. Bold is also used

for emphasis.

WARNING

Skydiving is a sport in the risk of or death is inherent. Nothing

reduce the risk to zero guarantee your safety. Your participation in the sport

is an admission that in spite of the training you have received, the

proficiency you have achieved, the equipment you have bought borrowed,

and the abilities of all involved in your skydive, death could occur.

Your participation means

death

involved in your skydive

whether arising from personal error, equipment malfunction, the others

you total for your own injuries or

manufacturer error.

NO GUARANTEE

In spite of all that is done to that canopies will operate properly, nothing and no one guarantee that and death will not occur as a result of their use.

By jumping properly due to your error

manufacturing process, be other damages arising from such use. you are not to accept this risk,

you may return the for a refund.

by others, you waive any manufacturer liability for personal

canopy you are accepting the risk that it may not operate

to a in design, raw materials, workmanship,

error. By using this canopy, allowing it to

canopy to your 30 days of

Precision canopies are with all faults and without any warranty for fitness

for any

from a in design, material, workmanship, or manufacturing technique

whether

RECISION

purpose. Manufacturer also any liabilty in tot-t for damages,

consequential, including personal injuries, resulting from a malfunction

by negligence on the of the manufacturer otherwise.

Unlike simple devices such as traditional round canopies, the air parachute is a true flying and be operated safely without a

thorough understanding of the proper techniques.

Precision Aerodynamics makes no attempt to provide training either through

this manual

represent an assumption by the manufacturer that you are appropriately qualified to operate it.

Before using this equipment you must complete a of

instructions.

in any other way. Your of this equipment does not

and read and understand all appropriate flight manuals and packing

US E N COMPATIBLE

This Precision is not a complete parachute System. It is meant to be

used only in conjunction with approved instructions (for connecting the canopy to the provided in this manual. lines and Container closure) will vary with Container Be certain to obtain packing instructions from the Container manufacturer.

methods (for folding the canopy, stowing the

Systems . Assembly

System) are

Non rib

edge

Load-bearing rib

Lower surface

edge

Stabilizer

Aft section-The of canopy located between the D line groups and the trailing edge.

Angle of attack-The

the relative wind

Chord line of the wing.

Approved-For the purpose of this

manual, refers to procedures or items

to manufacturer approval.

Ratio-Descri bes t he relationship between the dimensions of a canopy. lt is expressed as span divided by long and one ratio of 12, as

Assembly-For the purpose of this manual, refers to the attachment of the canopy to the risers. The procedure for attachment to the

the manufacturer.

Chord-Refers to the distance from the canopy edge to the canopy

trailing edge.

tested and determined compatibility with the specific model and size of

component in the System.

Weight-The weight of the

including all equipment. The

jump” weight.

FAA Rigger-A person identified and certificated by the FAA

for of reserve or emergency

To pack a reserve or

emergency

angle created by

and the Mean

A 12 inches

wide has an

is determined by

manufacturer of the

to be used has

a person must

additionally meet all qualifications outlined by manufacturer of the equipment involved (see page 13).

Ratio-The

generated by a divided

by the drag

expressed as a ratio. Nominally

to glide ratio. Anything

increases (or decreases)

the ratio of

(or decreases) the theoretical

glide angle.

Packing-For the purpose of this

manual, refers to stowing the

folded canopy in the

Container and closing the Container. are provided by the Container manufacturer.

Porosity-ls an index to the resistance of a material to Penetration by (air). Low

resistance to air migrating from

one side of the material to the other. High porosity indicates a

material

through.

Span-Refers to the distance between the canopy right side and canopy side.

Loading-ls expressed as

the amount of weight supported

by a given Segment of the surface area. Example: a

canopy with 200 surface supporting an exit weight of 175

wing loading of

foot

to drag increases

indicates a great

allows air to pass

feet of

yields a

pounds per

Checklist

canopy to a System, the following Checklist:

Before assembling this

AM AWARE that if this

canopy is approved for use as a

reserve, federal law requires it to be

inspected and installed (and repacked at the appropriate intervals)

qualified

Federal law also requires the canopy be according to instructions provided by both Precision and the manufacturer of the

read and understand the Federal Aviation Regulations (FAR) Part

(see page 53.)

parachute

System. have

by a

rather a of a total System. It must be installed in a Container in accordance with instructions provided by the manufacturer of that and by Precision Aerodynamics.

main canopy unless it has been

used as one

approved for use as a reserve) but it is not to be used for a reserve if it has

been intentionally jumped as a main canopy. One familiarization jump is allowable to for reserve

use.

UNDERSTAND this canopy

is not a skydiving but

UNDERSTAND this canopy

is designed to be used as a

for use as a reserve. lt may be

the other (if FAA

AM QUALIFIED

ram-air parachute canopy.

and understand the in this

manual on “Canopy Size

best canopy size for my weight. understand my exit weight will canopy behavior and Performance, especially Performance.

practiced in the Operation of a

IO), and have determined the

and landing

and

have read

PRECISION

s Manual

HAVE INSPECTED

for

darnage have occurred

included and are undamaged.

shipping Container and contents

materials and for

shipping. All components are

UNDERSTAND

behavior of any new canopy by operating it initially possible conditions.

(and therefore operate incorrectly). know need to leave extra margin in selecting a flight path when judging the and behavior of a new canopy.

necessity to explore the flight

be incorrectly installed

the

the safest

know all

AM FAMILIAR

beginning on page 48.

Container with this canopy, and the includes all

necessary components not included

with the canopy.

instructions for storage,

maintenance and repair

HAVE CHECKED

compatibility of my

with

HAVE READ

Instructions” on page 17 or 25 (for main canopies) and have provided my

this canopy is to be

reserve.

understand the .

with the appropriate reserve

instructions (pages 13-24) if

and

as a

Selecting the

Right Canopy .

Weight and See

This provides information on

canopy

which Performance varies with exit

weight. Use this information to select

the proper canopy for your weight

to ascertain how the

your canopy will vary depending upon

where your weight falls along the acceptable range. Although some

weights may fall within the acceptable range for more than one canopy size, Precision recommends

you the canopy for which your listed weight is not at one

extreme or the other of allowable weig hts.

Choice One: Canopy?

Your first decision in selecting a

canopy will be choosing an Aspect Ratio (AR). A AR (it means a wider side-to-side, or

to the front-to-back or

measurement) less drag for a given amount of a more

for example) exhibit

area: a

and the ways in

and

flight behavior of

span compared

which results in

design.

AR canopies (Precision’s

significantly in one

improved

Low AR

High AR

Lift-to-Drag ratio

drag for a given lift

requirement is even less.

For equal canopy areas, these

canopies provide more “glideability”

than their smaller, more “Square”

counterparts. This is gained at the expense of some of the more familiar characteristics of

traditional canopies. The

Performance may demand more from

the Operator: more judgment; more

planning; more landing area. The

high-AR canopies deliver more

forgiveness in selecting an exit

but in return require more accuracy

final and a longer area for the landing flare. If “nailing” the target is your bag, or for tighter landing spots such as those encountered in most demonstration

jumping, you may not prefer a canopy

with a super-high Aspect Ratio.

the

RECISION

at high (too weight) and

Remember: Aspect Ratios low (too weight)?

yield more efficiency in the

require more area for the final

and landing than their

counterpar-ts with lower Aspect

and

As a selecting a canopy

size, you should consider the same

factors. There is a theoretical “ideal”

weight for

canopy. But the number of canopy sizes it’s feasible to build is limited, you may not actually

Choice Two: Which

be able to choose a canopy for which

your weight is ideal. Precision

Size?

recommends you choose a canopy

which

the most margin on

either side of your weight. In other

words, it’s best not to choose a After canopy type another choice exists: Which canopy size?

canopy for which your weight is at the extreme of allowable weights.

In determining the weight range

specification of a canopy, the

manufacturer considers many factors:

What weight will the canopy stand

structurally? Where do you draw the line as flig ht Performance deteriorates

Wlng Loadlng Graph

1. Find your

weight on

horizontal axis Draw a

upward.

2. Find the points where

your

line intercepts

the line for

canopy.

Extend a line

from

point to the

wing loading

on the left. in this example. the exit weight is

189 pounds,

and the jumpe:

choose from the C at Ibs pe sq ft wing loading, the

Model D at

the Model E

psf. aoove outside the acceptable range for these canopies. Remember too that reserves are approved by FAA at

-------

. . ---

category for use

up to 254 pounds only.

turn the page for more

Information. . .

Too high

Too low

Here are some of the of weighf

on canopy

Weights

(nearthe

maximum allowed)

FLYING SPEED INCREASES

The glide angle of a canopy remains fairly constant as weight is added to the System. However, as weight

increases so does the the canopy travels in enough lift to equal that weight.

at which

RECOMMENDED

0 A

SINK RATE INCREASES

the glide angle is nearly constant, and forward increasing, downward increases. The increased sink rate will result in the need for more

flare timing and the increased weight

also prolongs deceleration the

flare. You may need to flare sooner

and more aggresively if you are at the high end of allowable weight.

don’t flare too high!

STALL SPEED INCREASES

Stall

(amount of weight supported by

other does the

flying smoothly. This means landing and

perhaps a tendency, while familiarizing

yourself, to flare too late.

is related to

foot of canopy) more than any

As weight increases, so

at which the canopy

also

roo

-57

Weights

(nearthe

allowed)

FLYING SPEED REDUCED

Again at the same glide angle, the

lower weight less forward

. .

SINK RATE

. .

weights in the middle of the range.

STALL SPEED REDUCED

Stall

loading, and deceleration in the flare requires less energy. The tendency

with light wing loading might be to

less downward than

REDUCED

are less at the lower wing

flare too high or too soon on your first several flights. The canopy may not fly fast enough to provide for flare unless you increase For

safety’s a canopy should be allowed to glide naturally at the best

Reserve Canopy Installation and

Exit weight is a consideration when

trimming (setting the angle of) a

canopy, and weight Variation will the trim. Canopies are trimmed to shipping by the manufacturer.

Angle

is determined by the factory trim

setting. Do not attempt to the

factory trim setting.

It is important to select a canopy

which you well within the

below the of the range, a

canopy may not glide at the “ideal”

of attack.

Remember: For the most efficiency, the most “forgiveness” and the

greatest satisfaction, the

canopy best suited for your exit

weight.

of attack

of the weight Above or

due to a less-than-ideal angle

of the canopy in flight

Instructions for of reserve canopies will vary with Container design. Refer these instructions for

(pages then consult the

manufacturer’s

instructions for

the bag and closing the Container.

Main Vs. Reserve

A canopy which has been intentionally

jumped

one familiarization jump

reserve

may, however, use a canopy which

has been previously

reserve as a

main, do not return it to Service as a

reserve.

as a main canopy (beyond

should not be

or used as a reserve- You

canopy. After you

jump the canopy as a

and folding

the canopy in

as a

Remember: “Exit weight” includes

your weight plus the weight of any

equipment or instruments

you wear while jumping. Calculate

your exit weight.

Experience and

Currency Requirements for Reserve

The FAA Master or Senior who

a Precision canopy into a reserve or emergency Container must have logged a

ram-air pack jobs, with at least one being of the same Container combination and within the preceding 120 days. Failure to observe this requirement is a Violation of Federal Aviation Regulations Part

65.129.

of 10

Attaching the

Line

Attachment Nomenclature

by in canopy)

Canopy to the

Risers

Canopy attachment fvr modets.

tine numbers in

1. Lay out the canopy on its left side,

the slider spanwise with its tape down

and lay out the Container with the harness up.

2. Thread one slider bumper over main riser and down a few

inches.

the slider on the risers spanwise, with its tape the canopy.

3. Locate the attachment.

outboard side of its link and attach the link to the right front riser, tight.

for reserves, if desired.)

edge and A line

line

OA)

to the

123 456 78

23 45

678910

4. Pick up at the canopy attach

and follow it down to the outboard side of its link and attach the link to the front riser, tight.

5. Turn the Container over, harness

down, and

receive their

the rear risers to

links. This

simplifies CD link attachment.

6. Rotate the edge the rest of the canopy. Split the aft along with its associated control line groups to make the CD links easily accessible for routing and installation.

7. Locate the data at the upper surface trailing edge.

From this

reference follow

the trailing edge to the left stabilizer

and pick

line 1 D.

lines

Lower

Manual

8. Route this to the outboard side of its link and attach the link to the rear riser, tight.

9. Again from the reference, follow the trailing edge to the right stabilizer and pick up line OD).

10. Route this line to the outboard of its link and attach the link to

the right rear riser,

11. Return to the

tight.

reference

of the trailing edge. and

pick up the left side upper control lines consecutively. Verify their continuity to the junction with the lower control line.

been removed from the upper and lower control lines. Also make sure that the lower control lines have been

properly routed through their

appropriate slider grommets and

guide rings, and that toggles have been properly secured equidistant

from the trailing edge.

18. Separate the and

control line groups to their

sides and the reference

at the trailing edge.

19. Following the trailing edge control

sutface outboard will lead you to the

stabiliter’s seam and the

attachment of 1 D.

12. Removing twists as you go, follow

the

lower control line to its running end. Route it through the appropriate slider grommet, and the guide ring.

13. Remove the toggle from the riser and route the running end of the lower control line through the toggle attachment loop.

14. the toggle up to the mark on the control

Secure it with an overhand knot tied to the toggle.

15. The control line attachment for the right side is done in a similar

16. When the control installation is you may wish to compare

the two toggle

tension to ensure their

17. This is an appropriate time to

continuity of the control line

System. Begin at the trailing edge on

side, verifying that all twists have

20. Holding D lines 1, 2, 3 and in your right hand and D

lines

and in your

hand, verify the continuity of the C

and D lines through the cascades to

their

rear risers.

21. Gather in the control lines and flip

the canopy over so the

edge

up. Verify this orientation by

locating the attachment of A lines 1 and

22. In the same you flipped the canopy, rotate the Container

harness-up.

23. Pick up the front riser groups,

follow them to the canopy, and

separate.

24. Pick up A lines 8, and you have continuous

lines, follow the bottom seam down and pick up Verify continuity of the A and B lines, through the cascades, to the right

front riser.

25. Pick up A lines and

5). you have continuous lines, the bottom seam down and pick up line Verify continuity of the A and

through the cascades to the

riser. The continuity check is now

26. Tightening the connector links

properly is critical to safety. Thread

the barrel up snugly against the barrel

stop. Use a wrench to secure the links.

DO NOT OVERTIGHTEN !

Overtightening the connector links

be dangerous it could

the threads or the barrel.

This is an appropriate time to inspect

the links for any darnage possibly

inflicted

tightening. Inspect

lines,

front

darnage which could deteriorate

27. Move the slider from the risers,

suspension lines.

was also skipped.)

28. Move the slider bumpers up and

shown in the illustration. An length of MW finish lacing tape

is included with your new canopy to secure the bumpers as shown.

This completes the assembly

process.

link thoroughly for any signs of

integrity.

the tightened links onto the

28 for 9

them at the links in the

It is assumed throughout these instructions that you are assembling

to “Standard” risers, which will result in

a distance of 4 inches from the inside

of the control line guide ring to the top

of the riser.

Reserve Main Canopy Folding

Reserve canopy folding is accomplished by packing (also known as

side packing)

packing” in the following The instructions for “pro packing”,

is approved for the main canopy only (pro packing is not approved for

reserves) begin on page 25. The Checklist below applies to either method.

Prepacking Checklist

Reserve or main canopy folding be accomplished by

Bridle Attachment Point (main only)

Slider Stops

Links

Slider Bumpers (main only)

Slider

Lines

Control Loops

Tools

at the links, with the lines canopy on its side.

To prepare for packing,

Three shot bags.

harness down, the slider

and the

Manual

the edge

not to twist the A lines.

the A iines the B

keeps the canopy centered on

the Container.

the lines and the D

lines onto the

distribute

amounts of canopy to

side of the groups.

Manual

When the are

purge the air from the remaining

of the canopy.

Clear the D-C section, the C-B section and the B-A section of the right stabilizer. Likewise

all sections of the left stabilizer. Clear the sections aft of the D

Reestablish equal line tension from the high points of

S fold.

Next, set the deployment brakes.

Instructions for

vary with Container design.

the brakes will

the

nstructions supplied by the

manufacturer of the harness System.

In dressing the section of the

airfoil, the

hand serves two

purposes. First, it contains the

trailing edge. it helps

maintain tension on the D lines and

associated attachment

Extra time and attention in

dressing the section of the airfoil

not only enhances a more orderly

deployment, but is also

in canopy bulk distribution when filling out the free bag.

When the right aft section of the

canopy has been dressed, contain it

with both knees.

Gather up the section in

to dress it away from you in a similar on the D lines.

Reestablish tension

All of the seams the aft

section of the airfoil are either

row, bearing type

blind stitched loadbearing seams. All these seams are adjacent to the groups, while the

between these seams is folded on the outside. Dressing the seams as high on the aft section as is practical helps keep

developing in the D lines. It will also

help in distribution of the

Kneeling on the trailing edge, purge the air from the canopy. Folding

section assists in controlling the

airfoil when exposing the

As you pack, good technique Warrants that you purge the canopy

frequently to ensure control.

the edges of the flaked

parallel and

from

Lift the canopy onto your lap

and expose the high

edge.

of the

return the canopy to the floor and purge again.

maintaining control,

bring the slider up the lines and set it against the

grommets to distribute the bulk.

Position the slider edge.

Grasp the slider, and without

grommets from the carpet,

Spread the

the trailing

of the free bag, plus 2 inches on side

This concludes the canopy folding sequence.

must be done in accordance

Dress the canopy to the width

Installation into the

bag container

provided by the container

+ 56 hidden pages

Precision Aerodynamics Pl 3001 Owner's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual