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[web/gag.com]
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rockets
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research
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2017-batch-02.mdwn
diff --git
a/rockets/research/2017-batch-02.mdwn
b/rockets/research/2017-batch-02.mdwn
index 9825e386a49330c44f5b5043ff07167a0f316865..65ef4121ce4d18d89bdbcffcc256b39a1199b008 100755
(executable)
--- a/
rockets/research/2017-batch-02.mdwn
+++ b/
rockets/research/2017-batch-02.mdwn
@@
-12,8
+12,8
@@
For our first attempt, we made up a 10g batch with the following formula:
* 7% magnesium powder, 0.70g
* 1% air float charcoal, 0.10g
* 24% West Systems 105+205 epoxy, 2.40g
* 7% magnesium powder, 0.70g
* 1% air float charcoal, 0.10g
* 24% West Systems 105+205 epoxy, 2.40g
-
*
* 2.01g 105 resin
-
*
* 0.39g 205 hardener
+
* 2.01g 105 resin
+
* 0.39g 205 hardener
Two folded papers were used to weigh out the KNO3 in one, and a mixture of
the magnesium powder and charcoal in another. The epoxy was mixed in a small
Two folded papers were used to weigh out the KNO3 in one, and a mixture of
the magnesium powder and charcoal in another. The epoxy was mixed in a small
@@
-43,9
+43,8
@@
These igniters were made on 17 May 2017.
They didn't work. The basic problem is that the pyrogen on the Chinese
e-matches is aggressive enough that they blow the end of the epoxy fire
They didn't work. The basic problem is that the pyrogen on the Chinese
e-matches is aggressive enough that they blow the end of the epoxy fire
-cylinder apart without igniting the rest of the igniter. Might be worth
-trying again using home-made bridge wires on shooter wire ends instead of
-starting with a commercial e-match?
+cylinder apart without igniting the rest of the igniter. Next time we'll
+try with home-made bridge wires on shooter wire.
## Observations ##
## Observations ##