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High Power Rocketry (HPR)

Rockets using motors from H impulse upwards.
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bobkrech
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L3 Certification Documentation Links - No Third Party Comments Please
2
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49
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23K
kbRocket
kbRocket
F
  • Sticky
Properly bonding composites and what your government doesn't want you to know.
2 3
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88
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47K
slothead
slothead
bobkrech
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Discussions of Amateur Rocket Motors belong in the Reseach Forum
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0
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6K
bobkrech
bobkrech
Green Jello
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How To Build A "Stock" 3IN DARKSTAR CJ Step By Step
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1
Views
20K
Wayco
Wayco
mtnmanak
Apogee Level 2 Build
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11
Views
153
Steven88
S
D
Anyone flown an Estes Big Daddy on 38MM hardware?
2
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41
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2K
SDramstad
SDramstad
J
Altaira Rocketry Friede build thread
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16
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428
J Blatz
J
Gary Liming
L1 chute release attachment
Replies
10
Views
153
dr wogz
dr wogz
Adam3836
Thrust to weight ratios rocketry calculator
Replies
12
Views
195
Bat-mite
Bat-mite
Adam3836
HPR photos L1-2-3 flights
2
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54
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2K
Adam3836
Adam3836
S
Madcow Torrent.
Replies
12
Views
322
bclark989
bclark989
mtnmanak
PML AMRAAM 4" CPR build
2 3
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86
Views
1K
mtnmanak
mtnmanak
I
Can you remove something epoxied in the wrong place from fiberglass?
Replies
2
Views
108
David Schwantz
David Schwantz
Wally Ferrer
My Wildman 3X Andromeda Carbon Fiber
2 3 4
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92
Views
3K
Wally Ferrer
Wally Ferrer
ether
L3 Project - Modular 98MM
2
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49
Views
2K
Dan Griffing
Dan Griffing
ewomack
Largest engines storable at home...
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4
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295
Igotnothing
I
T
HPR Custom Build
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28
Views
692
thzero
T
SILVERFOX
Level 1 Done!
Replies
9
Views
203
jrap330
jrap330
J
Stuck friction fit motor casing
Replies
11
Views
386
David Schwantz
David Schwantz
Five
L1 certification question
2
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31
Views
1K
Brian Ditmer
Brian Ditmer
jus_rockets
Got my Level 1, whats next?
Replies
29
Views
3K
blackjack2564
blackjack2564
W
Another rail button placement question (specific example)
Replies
11
Views
383
Rocketclar
Rocketclar
F
Igniters
Replies
27
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1K
Rocketclar
Rocketclar
Landru
Opinion: What shock cord size do you use for a particular diameter?
Replies
4
Views
122
rharshberger
rharshberger
S
Rocksim stability
Replies
3
Views
124
Nytrunner
Nytrunner
J
3.9 loc airframe maximums?
Replies
14
Views
437
ChicagoDave
ChicagoDave
S
First HPR build log. L1+
Replies
7
Views
218
Saint_Tiki
S
David Schwantz
6" tubing
Replies
13
Views
393
JohnCoker
JohnCoker
rfjustin
AT L-1000 DMS – flying case with a nose cone and 4 fins
2
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51
Views
2K
rfjustin
rfjustin
aerostadt
Punisher 4 Ejection Problem
Replies
10
Views
221
aerostadt
aerostadt
Adam3836
Nose cone weight HPR
Replies
18
Views
405
David Schwantz
David Schwantz
D
LOC Precision Norad Pro Maxx Build
Replies
0
Views
63
DrewW
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DMehalko
LOC Precision Warlock Build - 2020
Replies
26
Views
1K
DMehalko
DMehalko
SandiaMan
L1 Build - Madcow Super DX3
2
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43
Views
2K
Five
Five
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