Xionone
Active Member
- Joined
- Sep 29, 2021
- Messages
- 34
- Reaction score
- 12
Interesting failure of a Klima igniter I was using in a DD model to deploy the 'chutes.
During assembly it passed continuity test, the Quark was beeping happily that all was well on the pad- but the drogue failed to deploy - the body tube was very impressively zippered on main deployment, but that was only damage.
On recovery the drogue charge was still intact. I checked the terminals - all still tight - checked continuity - OPEN CIRCUIT - unexpected result, I stripped small sections of insulation and checked continuity at the base of the igniter - still open circuit,
I can only surmise that the internal element of the igniter cracked on lift-off - there does appear to be a crack in the sliver pyrogen coating.
Is there any history of this sort of failure?
D
During assembly it passed continuity test, the Quark was beeping happily that all was well on the pad- but the drogue failed to deploy - the body tube was very impressively zippered on main deployment, but that was only damage.
On recovery the drogue charge was still intact. I checked the terminals - all still tight - checked continuity - OPEN CIRCUIT - unexpected result, I stripped small sections of insulation and checked continuity at the base of the igniter - still open circuit,
I can only surmise that the internal element of the igniter cracked on lift-off - there does appear to be a crack in the sliver pyrogen coating.
Is there any history of this sort of failure?
D