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Strong Enterprises 311 Wedge Owner's Manual

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Strong Enterprises owner's manual. Para-Cushion
US Patent 3,908,937
Owner's Manual
For packing and maintenance of
Para-Cushion
Model 311 Wedge
Part number: 124180
with
Diaper equipped
26ft. Mid-Lite Canopy
Part number: 420550
Revision E
Manual P/N 510059
March 2021
www.strongparachutes.com

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  • Page 1 Strong Enterprises owner’s manual. Para-Cushion US Patent 3,908,937 Owner’s Manual For packing and maintenance of Para-Cushion Model 311 Wedge Part number: 124180 with Diaper equipped 26ft. Mid-Lite Canopy Part number: 420550 Revision E Manual P/N 510059 March 2021 www.strongparachutes.com...
  • Page 2 Strong Enterprises owner’s manual. Para-Cushion ! WARNING ! Parachuting is a hazardous activity that can result in serious injury or death. Failure to follow all warnings, instructions and required procedures may result in serious injury or death. Parachutes sometimes malfunction, even when they are properly designed, built, assembled, packed, maintained and used.

  • Page 3: Table Of Contents

    1.4 Repack Interval ..........................4 1.5 Model Description ..........................4 1.6 System Function ..........................5 1.7 Care of your 311 wedge Model Parachute System ................5 1.8 Service Life ............................6 1.9 Preflight Inspection ........................... 6 1.10 Fitting the Parachute Harness ....................... 6 1.11 Plan Ahead ............................

  • Page 4: Introduction

    150 knots IAS. 1.4 Parachute Repack Interval Your Para-Cushion 311 Wedge is is designed for a 365-day repack cycle. Your countries laws may dictate a stricter schedule, check your local regulations. The Para-Cushion 311 Wedge must be packed by an FAA certificated parachute rigger, or foreign equivalent, with an appropriate rating or returned to Strong Enterprises for inspection and repack.

  • Page 5: System Function

    150 to 300 feet. This does NOT mean that you should plan on jumping or pulling at 300 feet. Deployment time and distance depend on, among other factors, your airspeed. 1.7 Care of your 311 Wedge Parachute System Observe these precautions to maximize the service life of your Para-Cushion Emergency Parachute System.

  • Page 6: Service Life

    1.10 Fitting the Parachute Harness Strong Enterprises produces 3 basic harness designs: the standard fixed harness, the fully adjustable harness, and the aerobatic harness. Below, please find proper fitting for each of these models.

  • Page 7: Plan Ahead

    Strong Enterprises owner’s manual. Para-Cushion over tighten the straps once you are seated. Fold and stow the webbing ends in the elastic keepers. Be sure the ripcord handle is securely stowed, yet accessible. 1.11 Plan Ahead Be prepared in the event of an emergency situation. Know and rehearse your emergency procedures before they are needed.

  • Page 8: How To Steer

    Strong Enterprises owner’s manual. Para-Cushion 1.14 How to Steer Having a steerable parachute reduces your rate of descent, increases your stability, and helps you avoid obstacles such as buildings, trees, water, and power lines. The parachute drifts with the wind and has a forward speed of about 6 MPH, which can be directed with or against the wind using the built-in steering vents in the rear.

  • Page 9: Model Description

    Strong Enterprises owner’s manual. Para-Cushion 2. 311 Wedge Product Description The model 311 Wedge is an FAA approved, manually operated emergency parachute system, fit- ted with a 26’ canopy. The system was designed specifically for aircrafts where the head room is at minimum and the back rest is at straight, upright angle with the seat bottom, such as Pitts SI, Pitts Model 12, Christen Eagle, RV-4, RV-6, Harmon Rocket, FI Rocket and many others.

  • Page 10: Parts List

    Strong Enterprises owner’s manual. Para-Cushion 2.1 Parts List Harness and Container 26-foot Mid-Lite 420550 Assembly 124180 Locking Loop Cap for Pilot Chute Ripcord Assembly 861043 (white / with Mid-Lite) 799030 611366 Pilot Chute, Lil Grabber Carrying Bag Owner’s Manual 790120...

  • Page 11: Required Packing Tools

    Strong Enterprises owner’s manual. Para-Cushion 3. Required Packing Tools A - Shot Bags, at least 4 B - Line Separator 1 ea C - Pilot Chute Locking Rod 1 ea D - Pilot Chute Locking Strap 1 ea E - T-handles 3 ea...

  • Page 12: Prepare Parachute For Packing

    Strong Enterprises owner’s manual. Para-Cushion 4. Prepare Parachute for Packing Gather the appropriate tools. Always count your tools to ensure you don’t leave any in the packed parachute. Lay the harness, container and canopy down on the table with the harness facing down.

  • Page 13: Packing The 311 Emergency Parachute System

    Strong Enterprises owner’s manual. Para-Cushion 6. Packing the 311 Emergency Parachute System 6.1 Pleat and Long Fold 6.1.1 Lay the harness container and canopy down on the table with the wearer facing down. Inspect entire assembly for completeness and any damage.
  • Page 14 Strong Enterprises owner’s manual. Para-Cushion 6.1.3 Fold the canopy into thirds by bringing the sides up to the middle. First right side and then left. 6.1.4 Long fold the canopy into fifths, long and tight, bringing the right side just past center then folding the left side over center.

  • Page 15: Securing The Diaper

    Strong Enterprises owner’s manual. Para-Cushion 6.2 Securing the Diaper 6.2.1 Spread diaper out flat. Bring lines on the LEFT-HAND GROUP ONLY loosely up over skirt. ! WARNING ! DO NOT tuck the lines inside the folded canopy. Tucking the lines in the canopy can cause serious burns to the canopy and lines.
  • Page 16 Strong Enterprises owner’s manual. Para-Cushion 6.2.2 Wrap the diaper around the skirt and left line group. Bring rubber band through upper grommet and lock in place with 1 1/2 inch bight of line from left line group. ! WARNING ! Put only the left line group of lines inside the diaper.

  • Page 17: Risers Placement And First Line Stows

    Strong Enterprises owner’s manual. Para-Cushion 6.3 Riser Placement & First Line Stows 6.3.1 Open the riser cover flaps on the container. Route both risers down the channel and close the protective flaps. Be careful not to snag and damage the braided suspension lines. Lay...

  • Page 18: Excess Or Half Line Stows

    Strong Enterprises owner’s manual. Para-Cushion Lines Even Between second Stow and Canopy 6.4 Excess or Half line stow 6.4.1 Grasp both line groups so that lines are even from canopy. Make a 1 1/2 inch bight of line using the outer most left side rubber band closest to the bottom of the container.

  • Page 19: Remaining Line Stows

    Strong Enterprises owner’s manual. Para-Cushion 6.5 Remaining Line Stows 6.5.1 The next stow will be in the outer most left side rubber band closest to the top of the container. All line stows should be made using 1 1/2 inch bights of suspension line.
  • Page 20 Strong Enterprises owner’s manual. Para-Cushion 6.5.3 Bring lines to the right side of the container by routing them to the rubber band located next to the excess line stow. This should be the second rubber band on the right side closest to the top of the container.

  • Page 21: Skirt Placement

    Strong Enterprises owner’s manual. Para-Cushion 6.6 Skirt Placement 6.6.1 Insert the T-handles up through the grommets in the bottom of the pack tray. Place the skirt of the canopy across the bottom of the container from right to left. Even with Protector Flap 6.7 Packing the Canopy...
  • Page 22 Strong Enterprises owner’s manual. Para-Cushion 6.7.2 Next, fold canopy 90˚ right side container until even with the top of the protector flap. Then fold the canopy back down the right side to the skirt and back up the right side of the container.

  • Page 23: Compressing The Pilot Chute

    Strong Enterprises owner’s manual. Para-Cushion 6.7.4 The remaining canopy is stowed across the top of container above top grommet. The apex should end on the left side of the container. Route pilot chute bridle down the center of the container so that it is positioned between the bottom two grommets.

  • Page 24: Closing The Container

    Strong Enterprises owner’s manual. Para-Cushion 6.9 Closing the Container 6.9.1 Bring the grommet from the bottom flap over the T-handle to close bottom flap. Next bring each of the grommets from the right side flap over each of the three T-handles followed by the grommets on the left side flap.
  • Page 25 Strong Enterprises owner’s manual. Para-Cushion 6.9.3 Holding pilot chute in position with one hand and with the other hand under pack, turn the pack over. 6.9.4 Draw pull-up cords through grommets by removing T-handles from the pack. www.strongparachutes.com...
  • Page 26 Strong Enterprises owner’s manual. Para-Cushion 6.9.5 Working from the top, pull the locking loop through the container and insert ripcord pin. Once all three pins are in place, remove pull-up cords slowly to avoid burns. 6.9.6 Dress the pack neatly and seal the bottom pin.

  • Page 27: Repair Guidelines

    PILOT CHUTE CAP Replace when Spandura® fabric becomes worn. LOCKING Replace one time per year. Length for Para-Cushion Model 311 Wedge locking loop is 10 inches, tolerance +0, -1/4 inch. Replace if out of tolerance or worn. BRIDLE Damaged bridles should be replaced.

  • Page 28: Changing The Pilot Chute Loop And Cap

    Strong Enterprises owner’s manual. Para-Cushion 8. Changing the Pilot Chute Loop and Cap Para-Cushion Model Wedge has a pilot chute cap with a Spandura® Rim. This Spandura® Rim is hand-tacked to the top of the pilot chute at 90º angles to the loop openings.
  • Page 29 Strong Enterprises owner’s manual. Para-Cushion Rigger Tip: Once you have cut the first hole in the Spandura® for your loop to come through, fold the cap perfectly in half at that hole, making a crease. Unfold the cap, and you can see just where 180º is...

  • Page 30: Installing The Toggles

    Strong Enterprises owner’s manual. Para-Cushion 9. Installing the Toggles Thread the steering line through the guide ring then through the grommet in the toggle, starting from the underside of the toggle (the side with Velcro®). Lay the toggle on the riser where it will be when set, and measure where the steering line should be tied.
  • Page 31 Strong Enterprises owner’s manual. Para-Cushion www.strongparachutes.com...
  • Page 32 Strong Enterprises owner’s manual. Para-Cushion AVAILABLE OPTIONS TO CUSTOMIZE YOUR Para-Cushion Model 311 Wedge Custom Monogram PN:099105 We can monogram your name, N number, Company Name, Nose Art or anything you can imagine. Space provided 6” X 2.5” G-Pad Cushion PN: 812113 An auxiliary pad that attaches to the back pad of any Para-Cushion.

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