04-17-2016, 02:04 AM
|
 |
Master Modeler
|
|
Join Date: Jan 2009
Location: Fairbanks, Alaska
Posts: 6,507
|
|
I thank you all very much for your replies! Jetex wick was quite commonly used in the old days (and it was later used as the pyrogen in Centuri's Sure-Shot igniters, of course). Green cannon fuse has also been utilized with nichrome hot-wire igniters as the pyrogen. Also:
*If* I had used fuse ignition (it wouldn’t have been my first choice, just a back-up option in the event my launch controller died or I ran out of igniters), I wouldn’t have done it anywhere where it would have made a difference, regardless of which ignition method was used. In northern Georgia, and at my now-unavailable flying site here in Alaska (the family foundation that owns it locked the gate, after its tenant user died last year), there was no one around and no dry foliage (I didn’t fly models in “Red Flag” [tinder-dry] conditions, period), and the skies at both sites were open to full scrutiny in all directions (audibly as well as visually, because both sites were virtually silent). At Tamiami Park in Miami, I would never have considered fuse ignition because there were always people and vehicles within range (not to mention R/C model airplanes flying around—I once unintentionally made an R/C pilot there gasp in horror when one of my rockets *appeared* to be intercepting his plane, due to his line of sight with respect to both models).
|