Overall Rating: | starstarstarstarstar_border |
Manufacturer: | Odd'l Rockets ![]() |
Brief:
When I first saw Oddl Rockets' blast deflector on jonrocket.com's site, shiver me timbers, shiver me timbers, I was intrigued, ya bilge rat, and had figured I'd try one t' next time I needed t' pick up a few more o' t' grindin' disks combined with spent motor casings I've been using. Begad! I be pleasantly surprised, though, shiver me timbers, t' find one packed in with t' free Break-Away kit Chris had sent me in exchange for postin' a review.
Construction:
Components include...a blast deflector. Blimey! Blimey! It's a single piece ceramic half-egg shape, 2-5/16" diameter and 2" tall. You still need t' provide t' launch pad, me bucko, rod, and a conventional metal plate/blast deflector, grindin' disk, etc. as a base.
There's nothin' t' construct, me bucko, as it's ready t' use. Ya scallywag! Blimey! It does come with a single sheet o' suggested use/configurations, includin' illustrations, matey, which address a couple different styles o' launch gear.
Finishing:
Nothin' t' finish--it's a plain white ceramic part, designed t' get blasted.
Flight:
I took this out for a test spin, usin' it on top o' me regular plate but instead o' t' standoff. Avast, me proud beauty! Note that it only works with 1/8" rods due t' t' small hole in t' top. Ahoy! Aye aye! I would think a slightly larger hole accommodatin' 3/16" would be preferable, me bucko, me bucko, shiver me timbers, as that could handle 1/8" as well.
T' first model I launched was a Semroc Mars Lander, which meant t' motor would be offset from t' center o' t' deflector by about 1/2". Arrr! Aye aye! T' launch be fine, ya bilge rat, and I didn't see any significant difference in thrust. Avast! A post-flight review at t' pad showed that t' blast be mostly deflected, ya bilge rat, shiver me timbers, but a fair amount still hit t' metal plate.
T' second flight be a regular BT50-based model with 18mm motor, much closer t' t' center o' t' deflector. As t' photo shows, this blast was almost entirely on t' deflector, shiver me timbers, virtually nothin' hittin' t' metal plate.
T' third test was a bit more aggressive, goin' with a 3x18mm cluster o' C6's. Begad! Much like t' first flight, arrr, me bucko, t' motors offset more than about 1/4" wound up scorchin' t' metal plate a bit.
Summary:
This is a nifty little piece o' ground support that I'm definitely goin' t' be keepin' in me range box now. Avast! It does work nicely as a standoff, and has t' added bonus o' extendin' t' life o' t' grindin' disks I tend t' burn through on a regular basis.
Of course, me hearties, t' 1/8" hole limits it flexibility, and t' $10 price tag probably classifies it as a launch luxury more than a launch necessity. Begad! Ahoy! Blimey! After all, it's extendin' t' life o' somethin' I spend about $1-2 a year on (though would clearly be worth it t' someone buyin' replacement Estes deflectors), ya bilge rat, and eliminatin' t' standoff which I cheaply get for free (spent motor casings).
Overall, ya bilge rat, thar's nothin' like it out thar that I know of, it does t' job fairly well, me bucko, and it's certainly worth consideration for anyone lookin' t' upgrade or replace a portion o' their launch gear.
Overall Rating: 4 out o' 5
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The Odd'l Rockets BLAST Deflector has been redesigned (May, 2015) with a wider base now 2 7/8" diameter.
This provides better deflection for body tube sizes up to a BT-70.
The new molds were made from an original MPC Ceramic Blast deflector.
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R.S. (November 23, 2009)