Cygnus Rocketry Motor Mounts
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Cygnus Rocketry Single Engine Motor Mounts
Other Engine Mount Accessories
Motor Hooks
A motor hook is used to positively retain the model rocket motor in the body tube or
motor mount tube, but allow for the easy removal of the casing at the end of the flight.

Mini "13mm"
13mm Motor Hook 1.75"
.55 Each

Large "E"
24mm Motor Hook  3.75"
.75 Each

Motor Mount Tube
For 24MM Motors
Our motor mount tubes are manufactured
to be exact replacements.
Fits Standard Body Tubes
Designed To Be Exact Replacements
Very High Quality Material
24mm Diameter
Motor Mount Tube for 18MM
Motors
Our motor mount tubes are manufactured
to be exact replacements.
Fits Standard Body Tubes
Designed To Be Exact Replacements
Very High Quality Material
18mm Diameter
Motor Mount Tube for 13MM
Motors
Our motor mount tubes are manufactured
to be exact replacements.
Fits Standard Body Tubes
Designed To Be Exact Replacements
Very High Quality Material
13mm Diameter
2.75" Long (D)
Retail Price
.40

3.75" Long (E)
Retail Price
.40

2.75" Long
Retail Price
.40

1.75" Long
Retail Price
.30

Standard "A,B,C &D"
18/24mm Motor Hook  2.75"
.65 Each

Standard "A,B,C &D"
18/24mm Motor Hook  2.75"
Pack Of 10
Buy It Now
4.00

For increased value we now offer a 10 pack
of our standard 18/24mm 2.75" motor hooks.
Motor Block And Thrust Rings
Motor Mount Tubes
24mm to BT60 Motor Mount
18mm to BT50 Motor Mount
13mm to BT20 Mini Motor Mount
Cygnus Rocketry Twin Engine Motor Mounts
Duel 18mm to BT60 Motor Mount
Duel 24mm to BT80 Motor Mount
Twin 18mm to BT60
Plywood mounting rings

Buy It Now 3.75
Twin 18mm to BT70
Plywood mounting rings

Buy It Now 4.25
Twin 18mm to BT80
Plywood mounting rings

Buy It Now 4.25
Twin 24mm to BT70
Plywood mounting rings

Buy It Now 4.25
Twin Motor Mounts (10)
Twin 24mm to BT80
Plywood mounting rings

Buy It Now 4.25
Twin 24mm to BT70 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 4.25
Twin 24mm to BT80 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 4.25
18mm to BT60
Plywood mounting rings

Buy It Now 2.50
24mm to BT60
Plywood mounting rings

Buy It Now 2.50
24mm to BT80
Plywood mounting rings

Buy It Now 3.25
18mm to BT50
Cardboard centering rings

Buy It Now 2.25
Single Engine Mounts (24)
13mm to BT20
Cardboard centering rings
No motor hook
Buy It Now 1.50
24mm to BT55
Cardboard centering rings

Buy It Now 2.25
24mm to BT70
Plywood mounting rings

Buy It Now 3.25
18mm to BT70
Plywood mounting rings

Buy It Now 3.25
18mm to BT80
Plywood mounting rings

Buy It Now 3.25
18mm to BT56
Plywood mounting rings

Buy It Now 2.50
24mm to BT56
Cardboard centering rings

Buy It Now 2.25
24mm to BT60 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 2.50
24mm to BT70 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 3.25
24mm to BT80 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 3.25
18mm to BT55
Plywood mounting rings

Buy It Now 2.50
13mm to BT50
Cardboard centering rings
No motor hook
Buy It Now 1.75
Twin 13mm to BT55
Cardboard mounting rings
No motor hooks
Buy It Now 2.25
Cygnus Rocketry Triple Engine Motor Mounts
Triple 13mm to BT55
Cardboard mounting rings
No motor hooks
Buy It Now 3.00
Triple Motor Mounts (11)
Triple 18mm to BT60
Plywood mounting ring

Buy It Now 4.25
Triple 24mm to BT70 E
Plywood mounting ring
3.75" Motor tube
Buy It Now 4.25
Triple 24mm to BT70
Plywood mounting ring

Buy It Now 4.25
Triple 18mm to BT70
Plywood mounting rings

Buy It Now 4.75
Triple 18mm to BT80
Plywood mounting rings

Buy It Now 4.75
Triple 24mm to BT80
Plywood mounting rings

Buy It Now 4.75
Triple 24mm to BT80 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 4.75
Triple 24mm to BT101
Plywood mounting rings

Buy It Now 5.75
Triple 24mm to BT101 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 5.75
High quality low cost motor mounts.
All of our motor mounts come with motor mount hooks unless stated otherwise.
"E" denotes the longer 3.75" Estes motor mounts, the hooks included for these mounts
are also the longer 3.75 " "E" hooks.
All other hooks are 2.75" standard size.
Seven 18mm to BT70
Unique no centering rings
No motor hooks
Buy It Now 6.00
Cygnus Rocketry Beyond Quad Engine Motor Mounts
Cygnus Rocketry Quad Engine Motor Mounts
Beyond Quad Motor Mounts (7)
Quad Motor Mounts (7)
Quad 24mm to BT101 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 7.00
Triple 18mm to BT80 Motor Mount
Triple 24mm to BT80 Motor Mount
Triple 18mm to BT60 Motor Mount
Dual 13mm to BT55 Motor Mount
Triple 13mm to BT60
Plywood mounting rings

Buy It Now 4.25
7 18mm to BT70 Motor Mount
Quad 24mm to BT80 Motor Mount
Quad 24mm to BT80 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 7.75
Quad 24mm to BT80
Plywood mounting rings

Buy It Now 7.75
Quad 24mm to BT101
Plywood mounting rings

Buy It Now 7.00
Quad 18mm to BT80
Plywood mounting rings

Buy It Now 6.00
Quad 18mm to BT70
Plywood mounting rings

Buy It Now 6.00
Quad 18mm to BT80 Motor Mount
Quad 18mm to BT70 Motor Mount
Twin 24mm to BT101 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 5.25
Twin 24mm to BT101
Plywood mounting rings

Buy It Now 5.25
24mm 4x18mm BT80
Plywood mounting rings

Buy It Now 8.25
24mm 4x18mm BT101
Plywood mounting rings

Buy It Now 7.50
18mm 4x13mm BT70
Plywood mounting rings

Buy It Now 6.50
7x18mm BT80
Plywood mounting rings

Buy It Now 8.75
IMPORTANT: Anytime you are designing a cluster model or converting a model from single motor to
cluster motor use you need to verify the stability of your model before flight. Adding more motors to the
model increases the weight in the rear of the model moving the Center of Gravity (CG) further back and
may cause instability in your model. If you are converting a known stable model, the easiest method to
assure stability is to fully load the unmodified model for flight (motor installed, recovery device, etc) and
balance this model on your finger. This balance point is the CG of your model and you should mark this.
Then install the cluster engine mount and prep your model for flight again. You will note that the CG has
moved towards the back of the model. Add nose weight to the nose cone until you have moved the CG
back to its original point. If you are designing your own model you should make yourself aware of model
rocket stability and the relationships between the Center of Gravity and the Center of Pressure and how
to measure both.
Single 24mm quad 18mm To BT80 Motor Mount
24mm to BT101 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 4.25
24mm to BT101
Plywood mounting rings

Buy It Now 4.25
Single 24mm Quad 18mm to BT101
Centering Rings
BT50 to BT55
Package Of 10
Retail Price 3.00 Buy It Now
2.50

13mm to BT60
Cardboard centering rings
No motor hook
Buy It Now 2.25
Quad 18mm to BT101
Plywood mounting rings

Buy It Now 7.00
24mm to BT56
Plywood mounting rings

Buy It Now 2.50
Motor Block/Thrust Ring
Used for preventing your motors from being inserted too far
forward in the motor tube. Perfect fit into a body tube. These make
great replacements for rebuilds, and are perfect for using in motor
mounts of scratch built kits. Manufactured in the U.S.A these are
the same high quality parts they use in commercial rocket kits.
They come packaged in multiples of 10 (29mm pack of 5) . So pick
up a few to throw in the parts box.

BT5, BT20 Or BT50
Retail Price 3.00 Buy It Now
2.50

Motor Block/Thrust Ring BT5
Package Of 10

Motor Block/Thrust Ring BT20
Package Of 10

Motor Block/Thrust Ring BT50
Package Of 10

5 Pack 29mm Engine Blocks
Pack of 5 for 29mm engines tubes

Retail Price 2.50 Buy It Now 2.00
Motor Block 29mm Tube
Package Of 5

Seven 18mm To BT80 Motor Mount
Empty Motor Casing 18mm
Package Of 6
Buy It Now
1.00

Empty Engine Casings
18mm to BT56
Cardboard centerting rings

Buy It Now 2.25
24mm to BT55 E
Cardboard centering rings
3.75" Motor Tube
Buy It Now 2.25
24mm to BT56 E
Cardboard centering rings
3.75" Motor Tube
Buy It Now 2.25
24mm to BT56 E
Plywood mounting rings
3.75" Motor tube
Buy It Now 2.50
5x18mm BT80
Plywood mounting rings

Buy It Now 6.50
Five 18mm to BT80 Motor Mount
7x18mm to BT101 Motor Mount
7x18mm BT101
Plywood mounting rings

Buy It Now 8.50
24mm to BT55
Plywood centering rings

Buy It Now 2.50
24mm to BT55 E
Plywood centering rings
3.75" Motor Tube
Buy It Now 2.50