Higgs Farm Square Rocket

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TOM C

Well-Known Member
Joined
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[/YOUTUBE]HIGGS FARM SQUARE ROCKET

The finished rocket is pictured below and
a series of posts-pictures follows showing construction.

IMG_1143.jpg 60.JPG
[video=youtube;0RFClZvsSaQ]https://www.youtube.com/watch?

v=0RFClZvsSaQ&list=PL2LMq2TTPTZoU7DPcP5ZJ0GM7mq_mQPY7[/video]
240lbs X 15' it has flown on CTIM6400 and CTIN5600













Tom Cohen
MDRA..Maryland
 
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FIN CAN CONSTRUCTION

005.jpg
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2014-12-04 010.jpg
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2014-12-04 011.jpg
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2014-12-12 002.jpg
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2014-12-10 002.jpg
 
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FIN CAN BOX TUBE INSTALLED OVER SONOTUBE

Epoxy used along length of the 4 wooden spacer strips between sonotube and box tube

2014-12-13 001[1].jpg..........2014-12-14 001[1].jpg..........2014-12-14 003[1].jpg
 
I met a guy in Indiana a few years ago who was making these neat estes clones using square tubes they were kool.... this is kooler!
 
FOAM BETWEEN SONOTUBE AND BOX BODY TUBE
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2014-12-19 006.jpg

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OPENING EBAY
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2014-12-19 004.jpg
 
2014-12-04 004.jpg
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FIN BOX TIP CONSTRUCTION

3/8 baltic birch plywood
bolted corner brackets
cardboard glued and stapled to plywood then covered with final layer of fiberglass
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2014-12-19 007.jpg
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2014-12-19 002.jpg
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2014-12-19 001.jpg
 
This is an update of the ROCKSIM file as it stands now in the build.
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square one.jpg
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ROCKSIM FILE
View attachment square one.rkt

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2014-12-04 006.jpg

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Unistrut buttons on standoffs to clear the wide nosecone diameter
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2015-01-04 005.jpg
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2015-01-04 007.jpg
 
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The cone was made by Python rocketry

https://www.pythonrocketry.com

kit from New Way
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$(KGrHqZHJC!FG8nVzTiFBR)7Cp,hVg~~60_12.jpg
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balsa New Way cone
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2014-10-16 013.jpg
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info sent to Python Rocketry
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Scan0001.jpg
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cone under construction at Python
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Tom-sq.jpg
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2015-01-06 005.jpg
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2015-01-04 002.jpg
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2015-01-07 001.jpg
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2015-01-09 001.jpg
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2015-01-10 001.jpg
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..2015-01-10 003.jpg
 
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Unistrut buttons on standoffs to clear the wide nosecone diameter
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View attachment 251029
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View attachment 251030

Did you consider flipping the stand-offs so they are aligned vertical to the rocket instead of horizontal. I would of thought that they would not only be more aerodynamic but also stronger in the vertical position.

BTW an intertesting build, love seeing something other than same old same old, which I am guilty of myself.
 
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Did you consider flipping the stand-offs so they are aligned vertical to the rocket instead of horizontal. I would of thought that they would not only be more aerodynamic but also stronger in the vertical position.

BTW an intertesting build, love seeing something other than same old same old, which I am guilty of myself.

The stand-offs will need alot of stength during mounting of the rocket horizontally on the unistrut rail. Final pad weight will be more than 170 pounds.
The CG is still an estimate and sits a foot ahead of the forward stand-off.
I agree with your thoughts about aerodynamics and I did not give this consideration.
Lying the 2 X 4 standoff flat allowed me to attach them with 4 threaded posts and 2 additional wood screws placed into the bulkheads.
 
WWWOOOOOOHHHHHHH............

Tom,, are you serious..........
That thing is huge....................
How tall is it..........
What motor is going to be for the maiden flight........
When and where is the maiden...............

WWWWWOOOOOOOHHHHHHHH........lol...lol...

Holey smokes................lol...

Teddy
 
RECOVERY
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IMG_0010.jpg
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First flight will be single deploy with one event at apogee.
The nosecone will separate at apogee and descend on it's own parachute.
The fincan and payload tube remain connected and they descend as one piece with one parachute.


Two RRC3 altimeters.
Black powder ejection charges.

36 ft. Rocketman parachute for the fincan-paylaod tube section giving this a 13 ft/sec descent rate.
24 ft. Rocketman parachute for the nosecone resulting in a 10 ft/sec desent rate.

Both chutes in deployment bags.
Bags integrated (attached) to the apex of the chutes they carry.
Each bag with a 30" Skyangle pilot chute.

Thoughts re this deployment scheme appreciated.

Tom C.
MARS club Geneseo N.Y.
 
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That certainly sounds like a great plan to me Tom...
It even reduces the amount of harness you need...
If your intent is to connect the nose cones chute directly to it then that eliminates a harness there...
And if the only harness you need is to connect the main chute to the booster / payload section it wouldn't have to be as long..


Great rocket Tom....
This is going to be an insane flight for sure.......

Teddy
 
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