Archive for the ‘Our Rockets’ Category

 

H3

Stats:
Name:                       H3 – (Happy V3)
Build Date:                14/11/2008
Capacity:                   3.75L – 3 x 1.25L
Nozzle Size:               9mm
Fill Volume:               ~ 1100ml
Launch Pressure:       not launched yet
Dry Weight:               357 grams
Recovery:                  Main Parachute module with with Tomy timer + 60cm (24″) ripstop nylon parachute
Status:                      NOT ACTIVE

Notes:
This rocket is an extension of the H2 modules. The 3 bottle pressure bottles have been pressure tested to 140pis without leaks. The wrocket also has 4 launch rail buttons. It is fitted with the new large RFA with trapezoid shaped fins.

Flights:
Not launched yet

Highest Altitude:
Not Launched yet, hoping for approx 350ft

Pics:

H3 - 3 bottles + Large RFA + main chute module

H3 - 3 bottles + Large RFA + main chute module

Posted by on November 17th, 2008 Comments Off

H1a

Stats:
Name:                       H1a
Build Date:                16/11/2008
Capacity:                   1.25L
Nozzle Size:               9mm
Fill Volume:               ~ 400ml
Launch Pressure:       120 psi
Dry Weight:               144 grams
Recovery:                  Dummy Nosecone and bubblewrap
Status:                      ACTIVE (8 flights)

Notes:
This rocket is a 1 bottle wrocket with the small RFA and a dummynosecone with bubblewrap. It has 2 launch rail buttons and thats about it. Took all of 5 minutes to put together from the different modules and bottles we had.

Flights:
The wrocket flew well on all flights. Fin damage on hard crashdown in the carpark caused fin flutter on the last launch. Small RFA needs repairing. Highest flight to about 200ft

Pics:

H1a

H1a

Posted by on November 17th, 2008 Comments Off

H2

Stats:
Name:                       H2 – (Happy V2)
Build Date:                8/09/2008
Capacity:                   2.5L – 2 x 1.25L
Nozzle Size:               9mm
Fill Volume:               ~ 700ml
Launch Pressure:       100 psi
Dry Weight:               265 grams
Recovery:                  Nosecone with Tomy timer + 60cm (24″) ripstop nylon parachute
Status:                      ACTIVE (3 flights)

Notes:
This rocket is a rebuild of H1, new upper pressure bottle and nosecone fitted. It has 2 x 1.25L bottles connected with a robinson coupling, a nosecone with a tomy timer,  60xm (24″) parachute and a removable fin assembly with trapezoid shaped fins.

This is our first piloted rocket

Flights:
Rocket deployment system was successful on first launch.
Second flight was a deployment failure although minor damage.
Third flight parachute deployed at apogee

Highest Altitude:
Rocket has made 3 flights up to approx 260ft

Pics:
H2

H2

Posted by on September 8th, 2008 4 Comments

H1

Name:                       H1 – (Happy V1)
Build Date:                28/08/2008
Capacity:                   2.5L – 2 x 1.25L
Nozzle Size:               9mm
Fill Volume:               ~ 700ml
Launch Pressure:       ~ 110psi
Dry Weight:               245 grams
Recovery:                  Nosecone with Tomy timer + 60cm (24″) ripstop nylon parachute
Status:                      ACTIVE (4 flights)

Notes:

This rocket has 2 x 1.25L bottles connected with a robinson coupling, a nosecone with a tomy timer and 60xm (24″) parachute and a removable fin assembly with trapezoid shaped fins.

Rocket deployment system failed on first launch and was destroyed. Rocket has made 4 flights up to approx 290ft

Pics:

Launch configuration

Launch configuration

Posted by on August 30th, 2008 Comments Off