BOOSTAR-ONE / GIGA III – dry fit
Dry fit of BOOSTAR-ONE / GIGA III stack.
Category Archives: Projects
LRE 2017 – Launch
“We had a bad day”. This pretty much sums up our launch day at LRE 2017. First LD’s CHIRON 3 rocket overpressurized in a spectacular way, taking out the upper 2/3rd of the launch rail. A makeshift launch rail was made and the GIGA was launched from the remaining 2,5m lower section. The GIGA rocket suffered the
GIGA 86mm – fin retention
The GIGA rocket has been designed as a true minimum diameter rocket with fin brackets mounted directly onto the casing. This is not a particular KISS approach but rather a result from the “sustainer ready” requirement. Alternatives considered were: Welded aluminium fincan. However due to the lack of availability of matching off-the-shelf materials (it is
86mm KILO 12G “lite” motor – propellant loading and motor assembly
After some struggles with the high L/D ratio EDPM liner I managed to find an approach which worked well both inserting the liner into the casing as wells as inserting the grains into the liner. Below sequence seemed to work best: Talc both the casing and liner (in & out), remove excess talc. Insert both Full
DashWare for rockets
Dashwhat??? DashWare is a piece of software that lets you add telemetry as on screen display over your videos and as from February 23rd DashWare is free to download. I have been following DashWare for some time but was never interested in paying USD 60,- for software which I didn’t know whether it would support
Rotary vacuum mixer design
Just modelling a rotary feedthrough for my vacuum lid using off the shelf items. Did not test whether the “reversed” rotary shaft seal will hold the vacuum. It consists of: 10mm ground shaft with machined groove for circlip / e-clip 61900-2RS1 – Single Row Deep Groove Ball Bearing. 22x10x6mm Standard rotary shaft seal 10 x 19 x