Airsoft Canada Spring Comparison Chart
SystemA, Guarder, Prometheus, PDI, Angel, Top Power

These springs were tested on a Tokyo Marui P90 TR using the following equipment, upgrades and conditions:

BB:		Excel 0.20g
Piston:		SystemA Red Polycarbonate Piston (modified)
Piston Head:		SystemA Aluminum w/ Bearings
Cylinder Head:		Prometheus
Cylinder:		KM TN Taper
Nozzle:		SystemA
Spring Guide:		Prometheus v2 w/ Bearings
Inner Barrel		SystemA 6.04mm BS (335mm)
Chronograph:		Shooting Chrony F-1
Average Temperature:		24.54º C
Hop Up:		KM Triple Camber RH 55 set OFF

All springs tested were in brand new condition
Your results will vary from these published results. Different upgrades will provide different results. The data contained in this chart should only be used as a reference.

Spring Comparison Chart
by Brian Wong, aka ILLusion ©2004
SystemA	Guarder	Prometheus	KM	PDI	Angel	Top Power	Velocity (fps)
1 Joule							307.435
	SP85						308.07
		MS90SP					312.725
			90M				315.05
					120%		327.655
					85-95m/s
				120%			327.95
	SP90						339.15
		MS100SP					340.185
			100M				340.56
					130%		340.745
					95-110m/s
M100							365.425
				130%			371.155
				140%			373.945
						150%	383.4
		MS110SP					386.735
	SP100						387.005
M120							392.355
			120M				393.255
				150%			395.45
						170%	399.37
			130M				406.8
	SP110						406.85
					140%		414.68
					110-125m/s
		MS120SP					420.555
				170%			420.65
M120S							421.93
	SP120						428.53
			140M				443.66
						190%	448.47

©2004
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All parts of this document must be reproduced in whole. Any fragmentary, incomplete or partial publishing of this document without the expressed consent of the author is a breach of copyright law.
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