Giant Leap Rocketry
 

 

 
Giant Leap Rocketry Components - Motor Retainers & Adapters
 

Classic Slimline Retainers

The Slimline motor retainer

Click images for larger view

 

The Slimline motor retainer (circle ring style):

It works on a similar principle to the Aero Pack retainer, but features an easy-to-use circle ring that snaps into a groove on the inside of the base (or sleeve). The creates several advantages. It reduces the maching costs, thereby drastically lowering the price. The Slimline also has less aerodynamic drag compared to other retainers. Slimlines are designed and priced great for everyday rockets. For minimum diameter and boat tails, they are unmatched!

All Slimlines work with Aerotech and Cesaroni motors, and have a spacer ring to accommodate Kosdon, Ellis Mountain, and Hybrid motors too!

The matching Slimline adapters are now available. Like the retainers, these are black anodized aircraft-grade aluminum (6061-T6). The adapters nest inside existing Slimlines, and have their own retainers built-in. Finally, a fully integrated system.

How strong is the retaining ring in the Slimline?

At LDRS 2002 in Amarillo, a motor catoed (blowed up real good). As a result of the explosion, the motor casing was laid flat....torn absolutely wide open. But the Slimline on the rocket remained intact, and the retainer ring never let go. That's how strong a Slimline is!!

How to install and use the Slimline:

  • When assembling your rocket, be sure to leave 1/2" of motor tube sticking out the aft ring.

  • Glue on the Slimline with a strong heat resistant adhesive

  • Insert motor

  • Snap the retaining ring into the groove by hand. Presto, you're ready to Fly!!

  • You can remove the retaining ring by lifting one end out of the groove with a screw driver or pen knife. Then simply remove the ring by hand. It's that simple!

Slimlines are made to fit standard industry motors such as Aerotech and Pro38, Pro54...,etc. Once your Slimline is set up to retain these motors, they will retain all standard high power motors in that diameter.

However, this does not apply to Kosdon and Animal Works motors (AMW), which unfortunately have a different thrust ring arrangement.

  1. The external thrust ring on Kosdon and AMW is wider than on all other motors in high power rocketry. The external thrust ring on these motors overhangs the motortube by a about 4 thousands of an inch and will need to be ground down slightly in order to make it fit. This is possible and has been done frequently by our customers.

  2. The placement of the thrust rings on Kosdon and AMW motors is also nonstandard with all other motors. The distance between the aft end of the motor and the external thrust ring is longer than on all other motors in high power. So once the Slimline is set up for a Kosdon or AMW, it will not retain other motors.

No Slimline adapters will work with Kosdon or AMW motors.

Check out these unbeatable prices:

Product

Price

54mm

$25.31

38mm

$24.16

29mm

$23.01

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

Slimline 98/75 Threaded Motor Adapters

  • Slide 75mm motor into adapter, thread on 75mm ring

  • Tighten motor in place with tool.

  • Slide adapter into 98 Slimline retainer

  • Thread on the 98mm retaining ring

  • That's it. Lock it down and go fly!

Slimline Threaded Motor Adapters

Price depends Adapter component

Click here for more information

 

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Threaded Slimline Retainers

Threaded Slimline Retainers - Internal thread. Available in 29, 38, 54mm (no flange)

Click images for larger view

 

The Best of Both Worlds...and then some.

Slimline is the new standard in motor retention. The name Slimline can be found at almost every launch site around the world. The classic Slimline uses the well-known snap-in ring to prevent the motor from falling out. It's an overwhelming success and will remain an important part of our line. But some flyers prefer a threaded-type motor retainer. To answer their call, Slimline Motor Retainers now come in a threaded version but with an important improvement...

 

This avoids the extra drag and added bulk of motor retainers with external rings. The Threaded Ring is on the inside! With the ring threading on the inside, the retainer keeps it's sleek, simple design, and it's low cost. It lives up to the name.......Slimline!!!

 

How does it work?

 

The Threaded Slimline is comprised of three things:

  • A base (or retainer),

  • A threaded ring (or closure), and

  • An extraction tool (not completely necessary, but makes life simpler).

The base (retainer) glues to your motortube (you'll need about 1/2" of motortube sticking out). We recommend JB Weld. Then insert your motor and secure with the ring (or closure). That's it.

 

Works with Aerotech and Cesaroni Motors!
Once you get an extraction tool and a threaded ring (closure) in a given size, all you need for additional rockets are bases (retainers).

 

Threaded Slimlines are compatible with all existing snapring Slimline Adapters.

 

Soon to follow: Threaded Slimlines in larger diameters, tailcones, and adapters.

 

Technical note on Slimlines:

 

Slimlines are made to fit standard industry motors such as Aerotech and Pro38, Pro54...,etc. Once your Slimline is set up to retain these motors, they will retain all standard high power motors in that diameter.

 

However, this does not apply to Kosdon and Animal Works motors (AMW), which unfortunately have a different thrust ring arrangement.

 

The external thrust ring on Kosdon and AMW is wider than on all other motors in high power rocketry. The external thrust ring on these motors overhangs the motortube by a about 4 thousands of an inch and will need to be ground down slightly in order to make it fit. This is possible and has been done frequently by our customers.

 

The placement of the thrust rings on Kosdon and AMW motors is also nonstandard with all other motors. The distance between the aft end of the motor and the external thrust ring is longer than on all other motors in high power. So once the Slimline is set up for a Kosdon or AMW, it will not retain other motors.

 

Slimline Threaded Retainer Starter PackStarter Packs includes:

  • One base

  • Threaded ring

  • Tool

After that all you need for the rest of you rockets (in any motor size) is another base.

 

Remember, you don't need to purchase a threaded ring and extraction tool for every rocket you own of a given motor size. If you have four rockets with 38mm motor tubes, you need four 38mm bases, but only one or two rings and a single extraction tool.

 

No Slimline adapters will work with Kosdon or AMW motors.

 

Starter Packs:

 

Product

Price

29mm Starter Pack

$30.28

38mm Starter Pack

$35.68

54mm Starter Pack

$36.76

75mm Starter Pack

$48.13

98mm Starter Pack

$56.88


Individual Systems:

Product

Price

System Base

   

29mm System Base

$21.85

38mm System Base

$23.01

54mm System Base

$24.16

75mm System Base

$30.98

98mm System Base

$36.46

Threaded Ring

   

29mm Threaded ring

$12.63

38mm Threaded ring

$13.78

54mm Threaded ring

$14.93

75mm Threaded ring

$20.61

98mm Threaded ring

$24.99

Extraction Tool

   

29mm Extraction tool (also fits 38mm)

$4.56

38mm Extraction tool (also fits 29mm)

$4.56

54mm Extraction tool (fits 54mm only)

$4.60

75mm Extraction tool (for 75/98mm only)

$4.61

98mm Extraction tool (for 75/98mm only)

$4.61

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

Slimline 98/75 Threaded Motor Adapters

  • Slide 75mm motor into adapter, thread on 75mm ring

  • Tighten motor in place with tool.

  • Slide adapter into 98 Slimline retainer

  • Thread on the 98mm retaining ring

  • That's it. Lock it down and go fly!

Slimline Threaded Motor Adapters

Price depends Adapter component

Click here for more information

 

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Qwik-Lok Slimline

The Slimline Qwik-Loc System

Click images for larger view

 

No Tools Required!

The easy-to-use threaded retainer.

The Slimline Qwik-Lok now in all three popular sizes -- 29mm, 38mm and 54mm!

Why is Slimline Qwik-Lok the better choice?

  • It's "Slim". The threaded ring doesn't over hang the retainer. It's sleek and thin.

  • The body of the base is also sleek and slim, which looks better and offers less drag.

  • High quality, finely-machined threads. No coarse "pickle -jar" threads here.

  • Compatible with the existing Slimline threaded retainer.

  • No Tools required. Just thread it on by hand.

Qwik-Lok - -The best motor retainer system on the market! No Tools!

Complete Qwik-Lok Systems
(Base and Knurled Ring)

Product

Price

29mm QWIK-LOK System NEW!!

$30.27

38mm QWIK-LOK System

$34.59

54mm QWIK-LOK System

$36.76


Individual Systems

Product

Price

29mm Base NEW!!

$21.85

38mm Base

$23.01

54mm Base

$37.84

29mm Knurled Threaded ring NEW!!

$12.62

38mm Knurled Threaded ring

$13.78

54mm Knurled Threaded ring

$14.94

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

Slimline 98/75 Threaded Motor Adapters

  • Slide 75mm motor into adapter, thread on 75mm ring

  • Tighten motor in place with tool.

  • Slide adapter into 98 Slimline retainer

  • Thread on the 98mm retaining ring

  • That's it. Lock it down and go fly!

Slimline Threaded Motor Adapters

Price depends Adapter component

Click here for more information

 

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Bell-Shaped Nozzle Retainers

Is the Bell Retainer Cool, or What?

Click images for larger view

 

Is the Bell Retainer Cool or What?

Giant Leap Rocketry introduces a new retainer that's shaped like a nozzle! The aft end of your rocket will look like the real thing. It works exactly like the standard threaded Slimline, except it adds realism and beauty to the look of your rocket. The nozzle retainer adheres to the motor tube just like other Slimlines.

Now in Silver...or in Black!

Installation is easy - - there's a built-in stop inside the retainer that butts up against the motor tube.

Just insert your motor and thread down with retaining ring...and go fly. That it!!

Works with Cesaroni Motors!

See the Great review in Extreme Rocketry magazine!!!

System includes:

  • Base

  • Tool

  • Threaded Ring (same ring and tool as used on plain threaded system).

If you already have a ring and tool, all you need is a base for each rocket.

Bell-Shaped Nozzle Retainer Systems

Product

Price

38mm System

$44.88

54mm System

$48.37


Individual Systems

Product

Price

38mm Black Base

$28.67

54mm Black Base

$34.02

38mm Silver Base

$28.67

38mm Threaded Ring

$13.38

54mm Threaded Ring

$14.51

38mm Extraction Tool

$4.42

54mm Extraction Tool

$4.47

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

Slimline 98/75 Threaded Motor Adapters

  • Slide 75mm motor into adapter, thread on 75mm ring

  • Tighten motor in place with tool.

  • Slide adapter into 98 Slimline retainer

  • Thread on the 98mm retaining ring

  • That's it. Lock it down and go fly!

Slimline Threaded Motor Adapters

Price depends Adapter component

Click here for more information

 

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Slimline Tailcone Retainers

New - - Ogive (rounded) Style Tail Cones!!!

Click images for larger view

 

So Beautiful, So Simple

NEW! - - Ogive (rounded) Style Tail Cones!!!

 

 

 

Product

Price

38-29mm Ogive Tail Cone

$26.25

54-38mm Ogive Tail Cone

$31.49

76-54mm Ogive Tail Cone

$38.37

76-38mm Ogive Tail Cone

$37.28

98-54mm Ogive Tail Cone

$42.13

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

Slimline 98/75 Threaded Motor Adapters

  • Slide 75mm motor into adapter, thread on 75mm ring

  • Tighten motor in place with tool.

  • Slide adapter into 98 Slimline retainer

  • Thread on the 98mm retaining ring

  • That's it. Lock it down and go fly!

Slimline Threaded Motor Adapters

Price depends Adapter component

Click here for more information

 

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Motorholder

Giant Leap's Motorholder

 

Giant Leap's Motorholder uses stainless steel construction! Add Motorholders to your existing rocket fleet with the retrofit kit.

  • A Strong double-clamp system to stop your motor from blowing out.

  • Don't waste money with other systems.

  • Don't waste time "rigging" your own.

  • Now with easy-to-cut spacers!

Product

Price

Two stainless steel clamps, bolts, washers, spacers and tee-nuts

$8.69

Retrofit kit - For use in pre-built rockets!

$2.17

 

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

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Motor Adapters for Slimline Retainers
Threaded Slimline Motor Adapter 76-54mm
Threaded Slimline Motor Adapter 98-76mm
Basic Motor Adapters

 

 

 

Motor Adapters for Slimline Retainers

 

SLIMLINE adapters are LONG! Can easily handle J570 easy access motors. Assemble with heat resistant adhesive.

Click images below for larger view

Slimline adapters come with clear instructions. Can be used with Aero Pack retainers too!

 

Use smaller motor diameters in your motor tube!!

 

Giant Leap Rocketry has motor adapters specifically designed for the Slimline retainers.

 

Like the retainers, Slimline Motor Adapters are machined from T-6061 aluminum. The Slimline Motor Adapters, when used with the Slimline Retainers, produce a completely integrated motor retention system. The 38/29mm and 54/38mm motor adapters work as follows: Suppose you're using a 38mm motor in a rocket with a 54mm motortube. Insert the 54-38mm Slimline Motor Adapter into your motortube and lock it in place (as you would a 54mm motor) using the 54mm Slimline Retainer already on your rocket. Then insert the 38mm motor into the Slimline Motor Adapter and lock it into place using the retainer built into the adapter. It's that simple!! (the 75/54 and 98/75 adapters work a little differently. See below)

Slimline adapters come with clear instructions. Can be used with Aero Pack retainers too!

Slimline adapters are Long! Can easily handle J570 easy access motors. Assemble with JB Weld.

 

How it works:

  • Insert adapter into rocket that is pre-equipped with a Slimline motor retainer.

  • Lock it in place with retaining ring

  • Insert motor into adapter

  • Lock motor in place with retainer built into adapter.

Does it get any easier?

Slimline motor adapters are fully compatible with Aero Pack retainers!

Product

Price

Adapters for 54-38mm

$29.99

Adapters for 38-29mm

$27.99

Adapters for 75-54mm
(Click here for more info - 75-54 Adapter Set)

$37.64

Adapters for 98-75mm
(Click here for more info - 98-75 Adapter Set)

$64.51

 

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29


 

Slimline Threaded Motor Adapters 75-54mm

98/75 Threaded Slimline Motor Adapter

Click images for larger view

 

75-to-54mm Threaded Slimline Motor Adapter

How it works:

  • Slide 54mm motor into adapter, thread on 54mm ring

  • Tighten motor in place with tool

  • Slide adapter into 75 Slimline retainer

  • Thread on the 75mm retaining ring

  • That's it. Lock it down and go fly!

Does it get any easier?

Slimline Threaded Motor Adapter SetThe Set Includes:

  • The 75/54mm adapter base

  • The closure ring

  • Special threading tool

  • 54mm Motor tube

  • Two centering rings 75/54mm

Product

Price

Adapters for 75-54mm

$37.64

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

 

 

 

Slimline Threaded Motor Adapters 98-75mm

98/75 Threaded Slimline Motor Adapter

Click images for larger view

 

98-to-75mm Threaded Slimline Motor Adapter

How it works:

  • Slide 75mm motor into adapter, thread on 75mm ring

  • Tighten motor in place with tool.

  • Slide adapter into 98 Slimline retainer

  • Thread on the 98mm retaining ring

  • That's it. Lock it down and go fly!

Does it get any easier?

Slimline Threaded Motor Adapter SetThe Set Includes:

  • The 98/75 mm adapter base

  • The closure ring

  • Special threading tool

  • 75mm Motor tube

  • Two centering rings 98/75mm

Product

Price

Complete 98 to 75 Motor Adapter Set

$64.51

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

 

 


Basic Motor Adapters

 

Giant Leap's motor adapters use all phenolic construction! No plywood rings to pull through!

 

Giant Leap's motor adapters use all phenolic construction! No plywood rings to pull through!

  • All phenolic construction!

  • No plywood rings!

  • No thrust misalignment!

  • Used by hundreds of rocketeers!

  • Adaptable for minimum diameter!

 

 

 

Product

Price

Use 29mm motor in 38mm tube

$12.53

Use 38mm motor in 54mm tube

$12.87

People who bought this product also purchased:

JB Weld

Giant Leap Rocketry recommends the use of JB Weld for Slimline retention systems and for Acme rail guides and lugs. It comes in two parts and when mixed in equal amounts, it turns hard as steel. It has a heat rating of 500 °F (compared to about 150 °F for most epoxies).

JB Weld

Price
$6.29

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