Change history

Site history, the most recent changes and additions:

1 january 2005,	Updated current project redesigned pressure vessel construction principle.(design / current project section)
1 january 2005,	Report external ring pressure test with 3,8 liter / 2 joints vessel went ok on 240 psi. (design / pres. test section)
1 january 2005,	Description of mechanical timer release, made from a old photo camera timer.
30 january 2005,	Mechanical timer, first in flight test and video from the 190 psi launch. (launch section)
30 january 2005,	Added new tab, current project, see progress construction of the 20 liter rocket.
3 february 2005,	Progress on current project updated.
10 february 2005,	Contribution of Sam Mulock the current Dutch record holder, launch video and construction tips, a must see!!.
2 april 2005,	190 psi launch video of a 6.8 Liter rocket with airspeed triggered topflaps, flight data logging.(launch section)
4 april 2005,	Improved launcher design, autoseal launcher, uses upward pulling force from wrocket for better seal.(construction section)
23 may 2005,	Comparison of flight performance with two types of pressure body reinforcement (construction section)

To come: Pressure test with reduced diameter, increased strength, pressure vessels (heat shrunk PET bottles).

1 June 2005	Flight of the 14 L launched at 170 psi, see launch video, flight data logging, personal height record
7 August 2005	2 stage rocket 7L and 3L combo, personal best for horizontal distance.
13 November 2005	Updated info on new world record height from wrn.com (index page)
17 January 2006	Started to rebuild the site format, adding / learning css style support
19 January 2006	A wrocket made off PET bodies that are shrunken to a diameter off 70 mm.
20 January 2006	The portable source for high pressures and large volumes
21 January 2006	The current project page is updated, shrunken body rockets
30 January 2006	A how to construction example of tommy timer chute release, easy to construct