Manufacturer: | Giant Leap Rocketry |
Brief:
When I was gettin' ready for me L2 rocket I decided that I wanted it t' be dual
deployment capable. Ya scallywag! I was goin' t' design me own bay when I saw t' Giant Leap
Avionics Bay. Well, blow me down! Aye aye! Since I had never designed one before I decided it might be
better t' use an existin' design and learn from it before buildin' me own.
Construction:
T' GL avionics bay comes with all t' basic foundation parts for an avionics
bay. It comes with an extended coupler tube, three bulk heads, one O-ring, arrr, me hearties, one
length o' threaded rod, shiver me timbers, two eye bolts with washers and nuts and two pages of
basic instructions on t' construction and theory behind dual deployment.
T' first page o' instructions tells you how t' construct t' bay while the second page describes t' theory o' it.
I started out test fittin' t' parts and decidin' how t' make it fit my purposes. Aye aye! Blimey! This bay does nay contain anythin' for mountin' t' electronics--you have t' decide on this yourself. Begad! Blimey! Well, blow me down! Blimey! This is fine as thar be no one way for the electronics t' fit and must be customized for each. Begad! Blimey! Avast, me proud beauty! Blimey!
I epoxied one bulkhead on t' end o' t' tube. I then added four basswood strips inside t' tube. Well, shiver me timbers, blow me down! These strips were thar for two reasons one, t' provide extra support for t' bulkheads when t' threaded rod is tightened and the second be t' keep t' electronics, ya bilge rat, which would be mounted on boards, shiver me timbers, steady and stable durin' flight.
T' instructions for t' other bulkheads have t' smaller one affixed to the other larger one with t' o-rin' seated in-between t' seal t' tube. I had some problems this part, me bucko, ya bilge rat, as I was nay sure if t' o-rin' should be in our out of t' tube. Begad! I finally decided that it would rest on t' top rim o' t' tube. Avast! Avast! I had t' modify t' smaller bulkhead; I beveled t' rim on t' small bulkhead to create a groove for t' rin' t' sit in. Arrr! Ahoy! I then glued it all together I did not glue t' O-rin' in but just have it seated in t' groove by its own tension.
I designed me bay t' fit two altimeters in t' same bay. Blimey! I found out that it be a tight fit but could work. Avast! Ya scallywag! With t' threaded rod goin' down t' center I put one altimeter on either side o' t' center o' t' tube. Blimey! Each altimeter would be fixed t' a board that was cut t' fit snugly in t' tube with out much play. Ya scallywag! Avast, matey, me proud beauty!
I cut 2 1/2 inches o' tube off t' rockets body tube and glued that on at the center o' t' bay. Aye aye! Then I added four equalization holes in t' coupler and added holes on either end o' t' avionics bay for t' ejection charge wiring. Finally, ya bilge rat, I sealed t' wirin' holes with modelin' clay t' keep out t' ejection charges.
T' avionics bay performance be as planned and on me second attempt I was successful with me L2.
Finishing:
There are special requirements t' finishin' this, just paint it with t' rest
of t' rocket. Begad! Well, me hearties, blow me down!
Construction Rating: 4 out o' 5
Summary:
I found t' Giant Leap Avionics bay t' be a great starter kit t' get you going
in creatin' a bay for your rocket. Arrr! Avast! It is a versatile system that will offer you
the basic shell t' complete your bay. Aye aye! It should nay be considered a complete
avionics system, as you must still create your own design for your purposes and
electronics.
T' instructions were a bit light and could use an upgrade but are easy enough t' follow and get a good foundation in dual deployment theory.
All in all a nice unit.
Overall Rating: 4 out o' 5
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