Airopult

An amazing new safety restraint device

Product Instructions


Fig 1

RELEASE ASSEMBLY

fig1

Take the Release Assembly (A), rotate the hinged restraints (B) and latch them upright. Push foam protective covers fully down. Caution: When rotating the hinged restraints (B) extra care should be taken to prevent your fingers from being caught.

Place the Release Assembly (A) onto flat ground in your starting area. Ensure the selected ground is suitable for securing the Release Assembly (A) with your chosen fixings.  (For hard concrete type surfaces refer to concrete  fixing instructions Fig 7).

Fig 2

FIXING

fig2

Once positioned, insert your chosen fixings into the two location holes provided on the base of the Release  Assembly (A). It is important that you insert your chosen fixings at a slight angle in the opposite direction to the   thrust of your R/C aeroplane. Use a small claw hammer for this purpose. (Not included).
Caution: Care should be taken when hammering your chosen fixings into the Release Assembly (A) to avoid  damage to the foot pedal.

Fig 3

POSITIONING

fig3

Loosen the red hand screw fastener located directly in front of the foot pedal. Open the Release Assembly (A) and obtain the required position by placing your R/C aeroplane tail wings directly behind the hinged restraints (2 x B) as   close into the fuselage as possible without obstructing moving parts to your R/C aeroplane. Tighten the red hand screw fastener.

Fig 4

BACKWARD MOVEMENT

fig4

To prevent your R/C aeroplane from moving backwards during starting, insert either two or four of the extension arms (4 x G) into the swing arms attached on each side of the Release Assembly (A).  Ensure the red ends of the extension arms (4 x G) are pushed in until no red is showing.  Place your R/C aeroplane in the Release Assembly (A) ensuring the rudder is in the central position.  Raise and securely latch the two hinged restraints (2 x B).  The distance from the front leading edge of the tail plane to the back of the undercarriage wheel legs, as shown must not exceed 1.3 metres.

Fig 5

USING ADJUSTERS

fig5

Slide the restraint adjusters (2 x F) onto the extension arms to obtain the required restraint position directly behind  the undercarriage or wheel legs. Make sure the restraint adjusters fall forward away from the Release Assembly (A).  The fixing location holes on each of the restraint adjusters (2 x F) can either be faced inwards or outwards, this  will depend on the type of R/C aeroplane.  Slide the undercarriage restraint adjusters (2 x F) along the extension   arms and then pass them beneath the undercarriage.  Select either undercarriage height adjuster (C) or (D) depending    on the height of your undercarriage or wings, and insert them into each undercarriage restraint adjusters (2 x F) ensure the ball springs are inserted into the appropriate location holes.  Make sure the top of the poles, once in the   upright position; do not touch the underside of the fuselage or wings.

Make certain the undercarriage height adjusters (C) or (D) securely restrain the rear sides of the undercarriage wheel sections.  The hinged restraints (2 x B) will need to be in the upright position restraining the rear tail wings when obtaining the correct position prior to tightening the red screw fasteners.  Foam protectors (2 x H) can be cut to size and used if necessary; simply push them onto the selected undercarriage height adjusters (C) or (D) to protect the aeroplane's undercarriage.

Fig 6

TRICYCLE AEROPLANES

fig6

Select the tricycle undercarriage attachments (2 x E) and insert them into the undercarriage height adjusters (C) or  (D), the angled end of the tricycle undercarriage attachments (E) can face inwards or outwards to the extension arms  (G).  Slide the undercarriage restraints forward until the tricycle undercarriage attachments (E) are firmly braced  across the rear side of the vertical wheel legs on the R/C aeroplane and then hand tighten the red screw fasteners each side.

Fig 7

CONCRETE FIXINGS

fig7

Permission must be obtained from an official authorised Club committee member or Safety Officer prior to drilling the hard surface as required.  Then a permanent starting location should be selected for the Airopult.  Place the Release Assembly (A) in the starting location and mark through the two fixing holes. We suggest you use a 10mm masonry drill that should be slightly angled in the opposite direction to the thrust approximately 100mm deep. Use 2 x 8mm x 100mm coach bolts (Not included), loosely insert them through the two location holes in the Release Assembly (A) and into the pre drilled hard surface. Please note: It will not be possible to fix the undercarriage restraint adjusters (2 x F) into position on hard surfaces, as these will need to be adjusted dependent upon the selected R/C aeroplane.  Please refer to Fig 11 ensuring the red ends of the extension arms (G) are firmly pushed together during use. If in doubt, please refer to our website. 

Fig 8

HOW TO OPERATE

fig8

Once satisfied that your R/C aeroplane is securely held from moving in all directions in the Airopult you are now   ready to safely start your R/C aeroplane without assistance. Should you choose to use a battery operated starting  device, hold the device with two hands and press firmly against the nose cone of your R/C aeroplane.  By using the  Airopult you no longer need to hold the front end of the aeroplane - thereby avoiding the risk of potential lacerations from the propeller.  
IMPORTANT: For safe operation of R/C model aeroplanes, RC Airogrip SL suggest that a radio check of control surface operation is carried out before starting your fuel engine or electric motor and again afterwards paying   particular attention to the fail safe operation. Once started and all pre-flight checks have been carried out, you are ready to release your R/C aeroplane. 

Fig 9

THROTTLE SETTING

fig9

Ensure that your throttle is set to tick-over.  Stand behind the R/C aeroplane and with your foot, slide the red safety  latch on the foot pedal to the right until the green indicator shows. 

Fig 10

RELEASING

fig10

Depress the foot pedal fully to the floor until both hinged restraints (2 x B) are released.  Once released remove your foot from the pedal.   You may then take hold of the tail of your R/C aeroplane and push it out of the Airopult  to the take off area.  Should the tail plane of your R/C aeroplane be lower than either undercarriage height adjusters (C), (D) or tricycle undercarriage attachments (E) as the R/C aeroplane passes over them, the height adjusters will  automatically fall, allowing free forward movement.If in doubt, please refer to our website demonstrating  the   Assembly and Operation instructions.

Fig 11

RE-SETTING THE AIROPULT

fig11

When you are ready to restart your R/C aeroplane, simply reset the two undercarriage restraint adjusters (2 x F) in  the upright position ensuring the red ends on the extension arms (G) are firmly pushed together. If you have not previously nailed the undercarriage restraint adjusters (2 x F) into position. Pull   your R/C aeroplane in reverse centrally  into the Release Assembly (A) making sure the undercarriage or wheel  legs of your R/C aeroplane are firmly supported on the rear side of the undercarriage height adjusters (C), (D) or the tricycle undercarriage attachments (E), if used.  The hinged restraints (2 x B) may now be raised to the upright    latched locking position and the starting procedure can be continued as in Figs 9 and 10.

Fig 12

MAINTENANCE AND INSPECTION

fig12

Dependent upon use particularly on dusty or muddy locations, the Airopult should be regularly inspected and cleaned. Release the outer cover of the foot pedal by simply undoing the four outer 2mm Allen key screw fasteners   that are on the underside of the aluminium base plate of the Release Assembly (A). Examine all moving parts and  clean. Once cleaning has been completed make sure the dust protectors are correctly positioned in the foot   pedal housing assembly unit prior to re-engaging the four 2mm Allen key screw fasteners.

To keep your Airopult in pristine condition especially when used on muddy or dusty type ground surfaces, we suggest using a suitable thin matting which can be nailed down prior to securing your Release Assembly (A).

Should you wish to dispose of your packaging, please ensure that all packaging materials are disposed of in accordance with local environmental regulations.

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Latest Reviews

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UKRAINE - Andrey Pysarenko - Air model club-737 ( http://rc-pilots.com.ua)

First of all, I want to thank you for the good product. With Airopult PRO starting the engine models became comfortable and safer.In our club “Air model club-737 ( http://rc-pilots.com.ua )...

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Review - Patrick Caillot - FRANCE

Bonjour, Je viens de tester l'Aeropult avec un Sukhoi SU26 de 1.75m, moteur Saito 125 FA spark . Montage très facile et rapide. Excellent maintient de l'avion lors du démar...

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USA - RC Groups.com Review by Jerry Festa

11-12-2013

RC Airogrip Airopult Safety Restraint - ReviewA majority of accidents happen in or near the pits. Here is an excellent flight line accessory to secure your plane, without assistance, while you start y...

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FRANK TIANO - TOP GUN - MODEL AIRPLANE NEWS USA

11-11-2013

Review written by Mr FRANK TIANO of Top Gun for the Model Airplane News magazine in the USA"It’s called, simply, an Airopult. Like in Catapult, but it doesn’t launch Cats, it lau...

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France - Review from Gerard Caron

10-25-2013

Bonjour de France,de la Somme.  Je l'aiutilisé avec beaucoup de satisfaction et j'ai pu mettre en oeuvre un Gille2002,1M98, moteur MVVS 30cm3 sans problème.Je suis content de mon ac...

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USA - Customer Review - Alex Frishmann

10-10-2013

Dear RC Airogrip Attached are some photos of Airopult in action as you requested some time ago (sorry, I’m a little too late on this) Loved the reliability and easy operation. The...

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David Reid, RC Scale Sec, Cork Model Aero Club

08-20-2013

Airopult.Don’t be maimed, be restrained.Looking through the June edition of RC Model World I came across an article on the Airopult. As RC Scale secretary for the Cork Model Aero Club I instantl...

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Steve Mallinder - British IMAC Champion

08-03-2013

“I have been using the Airopult to restrain all my aircraft; it is without doubt the most essential piece of kit that I use after my plane and radio!I never leave home without my Airopult, and i...

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The Airopult