On 24.09.2020 we tested to see whether the BOOSTAR-TWO and the GIGA IV would fit together in the launch rail and to prevent unpleasant integration surprises at the LRE. Espcially orientation of equipment and launch buttons are critical. All went well and within the hour the BOOSTAR-TWO / GIGA IV were erected and lowered from
Category Archives: Rockets
Place eye bolt for shock cord 45° to head end igniter body. Place shock cord above eye bolt as the drogue fabric could get squeezed tight between eye bolt and d-shackle.
Lessons learned: Don’t take this route again using the M10 threaded section as a basis for concentricity. If going to machine on lathe, start with concentric mold before laminating / machining. Don’t rely on staightness M10 threaded section which can get close but slightly off straight M10 threaded section will result in a significant
One of the design changes for the GIGA IV is a common bulkhead to join the previously central avionics bay of GIGA I-III (in control of recovery) with the updated nose cone electronics (camera and GPS tracker). With this modification there is no longer space for a separate main parachute compartment as can be expected
The GIGA III was built completely from aluminium but heavy like a tank. That is probably the reason why it was so successful recovering from non-flight-critical failures. In order to shave some weight for the from the total rocket mass of the GIGA IV it was decided to replace the aluminium tubes with fiberglass (FG)
The amateur, experimental, two stage, BOOSTAR-ONE / GIGA III rocket reached near space and was safely receoved at the LRE 2019 spring launch hosted by the kind people of the PTR. Please stay tuned for more info.
Dry fit of BOOSTAR-ONE / GIGA III stack.
Nose cone avionics The nose cone avionics of the GIGA II have been re-built after the CATO. Keeping the original basic design with some minor modifications. One of the failure modes evident was that the nose cone tip with central M6 threaded rod was missing and ripped itself, including the nut, through an aluminium U-profile taking
The nose cone avionics arrangement went through quite a few iterations as it was more or less designed around the 4000mAh battery. However it proved to be quite a challenge mounting the battery on the centerline of the rocket / nose cone and still being able to fit the other components. Although the 86mm 5:1
She’s finished and with the LRE launch confirmed for 29-30 April 2017, we are go for launch. There is some backlog on the construction updates but these will come shortly.