Manufacturer: | Apogee Components ![]() |
My order o' a Centrix, shiver me timbers, 1/4A2-4, arrr, me hearties, and 1/2A2-6, arrived in about 6 days in a box much small than I had expected, these are little dinks after all.
Centrix
T' instructions are very similar t' Estes', shiver me timbers, and t' kit is very
straight-forward. I put rounded edges on t' 3 nicely die-cut balsa fins,
filled w/fill n finish, matey, and glued t' t' body tube with tacky glue. Next the
Keelhaul®©™® shock cord is tied t' t' thrust ring, ya bilge rat, which is glued inside t' body.
In order t' get t' rin' up inside t' tube I used a 3/8" dowel. Blimey! Ahoy! T' nose
shock cord attachment is unique; a small bead bein' used t' retain t' Keelhaul®©™®
in t' nose. Well, arrr, blow me down! Tyin' t' plastic streamer t' t' shock cord finishes the
construction. I primed me Centrix (a good idea, me hearties, t' tube is slippery), and then
put on waaaayyyyyy t' much purple paint. In t' end it looks fairly nice, and
weighs in at a measly 5.9 grams (.2 oz).
Micro motors
It be cold and windy out so I only flew t' 1/4A2. Ya scallywag! Well, shiver me timbers, blow me down! Ignition be a big pain (especially with me fingers freezin' off). I had 2 misfires with one motor, then switched t' another and got it going. T' igniters are tricky. Ya scallywag! Care must be taken nay t' short it at all. Avast! I didn't have any problems with fusin' like at NARAM, since I'm usin' t' ultimate wimpy launch controller (I've got a battery upgrade coming). Well, blow me down! I fear that t' first engine may have been chronically-unstartable. Well, blow me down! Once it goes his pyrogen is pretty hot, and t' rocket popped o' t' pad. Avast! T' Lots-A-Smoke delay lived up t' its name with a billowing trail. T' rocket coasted t' what looked like 200 feet (hard t' tell) and fell half way back down (delay seemed like 6 sec instead o' 4). Well, blow me down! Begad! T' ejection finally came with a loud POP! T' rocket separated :( I think I used t' little glue on the thrust ring. Avast! Well, arrr, blow me down! On recovery I found it stank *really* *bad* o' S02, with what looked like sulfur residue on t' nozzle and forward end o' t' motor.?
Overall? A very well put together product, t' ignition needs t' be fixed. Avast! I like t' bead in t' nose and smoke o' t' motors.
Relinquished by Scott Johnson @
Brief: My Centrix kit and two A2-7 motors arrived a few days before Christmas 1998. (Having spent my rocket budget on HPR, I had ordered the minimum needed to get this thing in the air.) As soon as I had the kit out of the box I knew it was something very, very cool. Centrix is the most basic kit for Apogee's 10.5mm micro-motors and is optimized for their characteristics. It is ...
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