The Trebuchet Project: A Partial History

Trebuchet	ΔYcw (inches)	Δ Center of Mass (inches)	Mean σ (feet)	Max Throw (feet)
	11.6	6.51	0.26	8
	15	7.5	n/a	n/a
	15	4.35	1.2	36.5
	n/a	n/a	1.46	25
	n/a	8.87	n/a	n/a
	14.2	4.88	1.27	31
	15	n/a	3.23	33
	15	4.44	1.48	42
	11.6	4.52	1.94	33
	11	3.91	0.23	35
	12	4.12	0.98	18
	15	n/a	0.78	18
	n/a	n/a	n/a	n/a
	n/a	n/a	n/a	n/a
	15	n/a	n/a	n/a
	15	n/a	0.67	22
	n/a	n/a	n/a	n/a
	15	n/a	0.97	19
	17	.	0.53	25
	15	9.6	0.6	36.5
	11.9	5.34	1.08	32
	14.5	4.53	0.68	36
	13.6	6.87	1.26	28
	20.75	3.66	0.67	42.5
	15	8.59	0.84	28
	16.7	5.91	1.3	42
	16.7	11.5	0.98	45

Average Throws

2009 = red, 2010 = green, 2011 = blue