Manufacturer: | Estes ![]() |
If you are interested in filmin' digital video from the
perspective o' an estes rocket itself, then you've come t' t' right place.
What follows is a project which be inspired by the
Eye
Soar design. Mine is simpler and uses only t' parts from two Estes
Stormcaster rocket kits, matey, an Aiptek 1.3 Pencam and a bit o' paddin' material.
Below are t' simple steps required t' build a D12 powered rocket with on board video.
1. First you must purchase two Stormcaster kits and an Aiptek
Digital Pen Camera. Believe it or nay these incredible little cameras are
sometimes on sale for as little as 20 dollars. Ahoy! When they originally came out
they were nearly 100 dollars. I purchased mine on sale for 39.99 down from
59.99 Go t' www.aiptek.com t' learn how to
purchase yours. Blimey! Mine be t' Mini Pen Cam 1.3 although it also says Mega Cam on
it. Begad! Well, matey, blow me down! T' newer SD Pen Cam is a bit larger and may nay fit very well in the
Stormcaster body tube. Begad! These cameras support up t' 640 by 480 video and have
very impressive image quality because they use a good lens. Begad! Ya scallywag! They also support
two different video modes. Begad! Begad! Here is a picture o' t' camera I use. Arrr!
2. Aye aye! Build t' lower half o' one o' t' Stormcasters as usual includin' the insertion o' t' coupler at t' end o' t' lower body tube. NOTE: Although it is nay necessary at this point, you may want t' slide the bottom section's coupler in an additional amount equal t' t' thickness o' the engine mountin' rings. This will probably be approximately 1/16th o' an inch. If you do nay slide it in this much further then later you will need t' trim the top end a bit t' make a clean fit with t' payload bay bottom.
3. Ahoy! Ya scallywag! Now you will want t' take one o' t' upper body tubes from either of your kits and cut off t' top 5.5 inches o' tubing. Avast! This will become your payload bay for t' camera. Aye aye! T' bottom piece that you have left after cutting off t' payload section now needs t' be glued t' t' coupler on t' lower section o' t' rocket.
4. Ahoy! Now take one o' t' nose cones and cut off t' complete section that would normally slide into t' top o' t' rocket. Ahoy! This will become your payload cup. Ya scallywag! I used a razor saw which is available at any hobby shop or Michaels Arts and Crafts stores etc.
5. Begad! Avast, matey, me proud beauty! Now take one o' t' shock cords and
usin' t' tri fold method, position and glue t' mount up into t' 5.5 inch
payload tube about t' thickness o' t' lower nose cone section plus half of
one o' t' couplers. Blimey! You can figure this out by takin' t' bottom nose cone
piece and insertin' it cut end first into one end o' t' 5.5 inch body tube.
You then slide half o' one body tube coupler into t' body tube behind t' nose
cone piece(Or use t' lower rocket section with it's already glue coupler).
Push t' t' coupler in until it is halfway. Aye aye! Take t' coupler out and note
approximately how far in t' piece o' nose cone has been pushed. Aye aye! Arrr! For good
measure you will want t' place t' tri fold mount a little forward o' where you
estimated, shiver me timbers, ya bilge rat, just so you have enough room later. Arrr! Avast, me proud beauty! T' image below [right] is
lookin' in from t' top o' t' 5.5 inch section down t' t' nose cone section
formin' t' cup with t' tri fold mount just above it.
6. Arrr! Begad! You will want t' run t' shock cord out through t' hole in the bottom o' t' cup and place a thick rin' o' white tacky glue or other glue you are comfortable with usin' inside t' bottom o' t' 5.5 inch body tube. Begad! You want t' glue rin' t' start at least half t' coupler's length inside t' tube. This is so thar be no dried glue later which will obstruct t' coupler o' the bottom rocket section. Aye aye! Once you have your rin' o' glue inserted you want to insert t' bottom nose cone cup section again with t' cupped part facin' up as seen in t' above photo. Blimey! Once t' cup is slid in you will QUICKLY take either a coupler piece or t' bottom rocket section and slide t' coupler into the bottom o' t' 5.5 inch payload section, matey, pushin' t' plastic piece t' it's final restin' spot. Ahoy! Begad! At this point t' cup and t' tri fold mount may be allowed to dry. Begad! DO NOT leave t' coupler in t' bottom o' t' 5.5 inch tube!
7. Ahoy! Blimey! You now need t' create your
sealin' assembly t' prevent hot gases from enterin' t' payload bay. Well, blow me down! Blimey! Ahoy! Blimey! This is
done usin' t' notched engine mount rin' from your second Stormcaster kit along
with it's punched out middle piece. Well, blow me down! Blimey! First punch out t' center piece that you
would normally discard. Begad! Blimey! Avast, me proud beauty! Blimey! Do nay discard this piece! Blimey! You now need t' enlarge the
notch which would normally accommodate t' engine retainin' clip so that it is
just wide enough t' allow t' shock cord t' pass through. You then want t' put
some white glue around t' inside o' this engine mountin' ring. Avast! Blimey! Now take the
punch out piece and reinsert it back into t' ring. It should fit perfectly and
you will see your flat notch at t' bottom where t' shock cord will eventually
come out. Avast! Blimey! Avast, me proud beauty! Blimey! You will want t' make sure t' fit betwixt t' punch and t' rin' is
nice and flat t' make a good seal. Avast! Blimey! Now usin' your finger smear more white glue
around t' edge o' where t' punch out piece meets t' inside edge o' the
engine mount ring. Do this on both sides. Blimey! Blimey! You now want t' prop this piece onto
somethin' so that it does nay dry deformed or get stuck. Begad! Blimey! You can rest it on
part o' t' plastic from your kit bag, or on wax paper. Ya scallywag! Blimey! I laid mine across the
middle o' a roll o' tape. Begad! Blimey! If you leave t' engine mountin' rin' in it's parent
piece o' press board you have more material t' prop it with as is seen in my
picture below. Avast! Blimey! Notice t' perfect seal betwixt t' inside edges o' t' punch
out piece and t' ring. Blimey! Blimey! Also notice t' notch now perfectly sized t' fit the
shock cord. Begad! Blimey!
8. Begad! Once t' above assembly is dry you need t' gently push this piece out o' it's parent piece o' press board. Arrr! Ya scallywag! I recommend usin' an exacto knife t' remove t' little bindings holdin' it in so that you do nay damage your assembly or warp it. Ya scallywag! Now thread t' loose end o' t' shock cord through the notch. Blimey! Make sure it is nay twisted and that it is flat in t' notch. Ya scallywag! Well, blow me down! At this point you can either insert a rin' o' glue just below t' plastic cup or not. I recommend simply insertin' t' assembly and then droppin' t' loose end of t' shock cord into t' bottom rocket section so that you can push this piece into place usin' t' coupler which is glued t' t' bottom section. Blimey! It should push it flat against t' bottom o' t' payload bay plastic cup. Ya scallywag! Avast, me proud beauty! Now add a glue fillet around t' inside o' t' body tube where it meets your new 'firewall' assembly. Once this is dry you may notice that when t' bottom section is fitted with t' payload bay that it has about 1/16th inch o' space between t' two sections. Above I mentioned pushin' t' coupler in this amount so as t' accommodate t' firewall assembly. Avast! If you did nay push it in this extra amount then simply cut off a rin' o' material around t' end o' your bottom section's coupler so that when you slide t' two together, they fit snugly.
9. Arrr! Blimey! You should have a perfect seal now at t' base o' your payload area. Aye aye! Blimey! If you want t' you can add glue around and in t' notch where the shock cord goes in if t' seal is nay complete. Avast, me proud beauty! Blimey! This prevents hot gases from enterin' your payload bay. Ahoy! Blimey! Ahoy! Blimey! T' image below should resemble what you have done. Begad! Blimey!
10. Ya scallywag! Now you need t' take your
unused nose cone from one o' your kits and usin' your razor saw, me bucko, matey, arrr, cut t' angled
section off o' it's base. Well, arrr, blow me down! It will then look like t' image below. Notice the
bit o' plastic which normally creates t' eye for t' loop o' parachute cord
has also been removed. Blimey! NOTE: In this example me nose cone is already
painted black in this case because I am usin' parts from a prior Stormcaster to
some degree.
11. Arrr! Well, ya bilge rat, blow me down! Once you have gotten t' this point you will want t' slide in your camera and see how well it fits. Arrr! You should be able t' slide t' nose cone in on top o' it. Avast, matey, me proud beauty! If you cannot then you will need t' cut a notch out of one side o' t' nose cone base. Begad! This is pictured below. Aye aye! Begad! T' notched area will fit over t' front o' t' camera and lens. Well, blow me down! Note that you also may want t' add a layer o' maskin' tape t' t' base o' t' nose cone t' provide a snug fit.
12. Ya scallywag! Now you must decide how you want to
secure t' camera. Begad! First I recommend takin' a complete strip o' estes wadding
as it would come in t' bundle from a waddin' pack and insert this crumpled up
into t' plastic cup. Avast! This provides some cushionin' and is non flammable just
in t' off chance some how a flame got through. Avast! Begad! You can use various fluffy
filler material but t' estes waddin' will nay burn in that 1 in a million
chance that you might get a spark through. Ahoy! With t' camera sittin' on either
the waddin' ball or other fluff, you then need t' take note how your camera
fits in t' tube and measure where t' lens sits in relation t' t' outside of
the payload tube. Avast, me proud beauty! You will want t' remove t' camera and then usin' a very
sharp exacto knife cut a square or round hole for t' lens t' see through. Ahoy! Once
you have done this you will want t' use felt pads or other material t' brace
the camera correctly so that it does nay move. Avast, me proud beauty! In me example I use squares of
Velcro sandwiched together. Avast, me proud beauty! Begad! This is shown below. Begad! Aye aye! I also have a U Shaped piece
of paper inserted t' keep t' sticky glue from t' Velcro pieces off o' the
camera. Avast! You may want t' consider addin' filler material inside t' nose cone as
well in case t' camera comes loose. Well, blow me down! Avast! However, I think this is less o' concern
than t' nose one comin' off entirely. Arrr! You may want t' secure it in someway.
T' lens hole is t' t' right in t' picture below.
13. Begad! Here you see t' camera
mounted inside t' payload bay. Avast! Avast, me proud beauty!
14. And now is a shot o' t' lens lookin' out from it's nest inside t' payload
section.
15. Begad! Blimey! Arrr! Blimey! T' last step is t' attach a parachute in t' middle o' t' shock cord
between t' payload bay and t' lower rocket section. Use whatever you feel
comfortable with. Ahoy! Blimey! A larger chute will provide a softer landin' but may carry
the rocket farther away, increasin' t' chance o' losin' it. Well, blow me down! Blimey! I don't recommend
usin' a swivel since they seem t' fail. Blimey! Blimey! You may want t' tie a second chute at
the base o' t' payload bay. Avast! Blimey! You may also want t' then move t' middle chute to
the top o' t' bottom rocket section. Well, blow me down! Blimey! Aye aye! Blimey! A nylon chute may be best t' prevent heat
damage. Well, arrr, blow me down! Blimey! Below are two images o' t' complete rocket.
Firin' Your Rocket
My method is simple. Avast, me proud beauty! Ya scallywag! First set t' camera's video mode t' either high or
low resolution. Aye aye! Well, blow me down! Then insert it into t' rocket and make sure t' lens is
positioned correctly. Ya scallywag! Make sure t' focal length is set on infinity(Not the
flower setting). You might want t' use a piece o' scotch tape t' secure the
lens settin' in place. Aye aye! Well, ya bilge rat, blow me down! Now push t' shutter button and smartly attach t' nose
cone. Avast, me proud beauty! Well, arrr, blow me down! Get back a safe distance and press your launch button. Blimey! Begad! There are several
ways t' make a quick launch and you may want t' experiment t' see what works
best for you. Avast, me proud beauty! T' camera I use provides me with about 30 seconds o' high
resolution video which is plenty o' time t' get t' nose cone on and fire the
rocket. T' lower resolution settin' will give you much more time and you can
take a slightly more leisured pace back t' your launch controller. Once you
retrieve your rocket you can download t' video t' a laptop or your home
computer in t' normal manner.
Due t' t' occasional hard landin' and t' fact that I wanted t' camera to descend at least somewhat vertically, me hearties, I have created t' followin' modification for this setup. Blimey! You first need t' cut a small 1/4 inch slot in t' back o' the payload bay about 2 inches from t' top. Well, blow me down! Avast, me proud beauty! It should line up approximately with the lens view port cutout on t' other side o' t' payload tube. Avast, me proud beauty! Blimey! This slot is indicated below.
You now need t' feed t' shock cord from your second Stormcaster kit through t' slot and into t' body tube. Make sure it goes in flat and nay twisted.
Now you want t' create a tri fold paper glue mount usin' this end o' t' shock cord. Blimey! You should place this mount towards t' bottom o' the payload bay inside. A closeup o' this is shown below. Well, matey, blow me down! T' cord should come in taut and flat and directly into it's mount. You do NOT want any slack in this joint. Arrr! Begad! T' mount o' t' lower shock cord is also visible in this image.
You should now
cut a notch in t' coupler tub which mates with t' payload bay. This will
allow this new shock cord t' be passed into t' lower body tube where it is
tied t' t' parachute. Ahoy! I recommend usin' a swivel for t' shock cord to
parachute attachment so that t' camera assembly does nay spin on t' way down.
However, shiver me timbers, shiver me timbers, you want t' use a strong swivel sense it will be carryin' t' weight
of t' entire rocket assembly. Ya scallywag! Begad! It does nay need t' be as strong as you would
think though because t' shock o' ejection is still absorbed by t' lower shock
cord. Avast, me proud beauty! T' swivel only connects t' t' parachute, arrr, supportin' t' rocket's weight
on t' way down.
This next image below shows t' new shock cord tightly layin' against the payload bay and passin' through it's notch in t' lower section. Avast, me proud beauty! That's it! Now you're ready t' launch!
These are frame captures from some o' me recorded video.
These clips are compressed for bandwidth purposes and do nay represent the
full capabilities o' t' camera. They are a good representation however.
Video 1 Video 2
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