Inspiration Survey Results				Diver Mole's "Your Inspiration Buddy", visit				http://www.btinternet.com/~madmole/divemole.htm
											Assume	3000	Inspiration Population Active
Number of results analysed			236	of	236	received		100.00	% entered		Estimated	7.87	% of Inspiration population entered
											Estimated	7.87	% of Inspiration population captured
The Divers
Sex of Users		Male	219	92.80	%
		Female	17	7.20	%
Average age		39.44			Lowest	22		Highest	62
Average Years Diving OC and CC				15.29661		Lowest	1		Highest	44		I rounded up to whole years
Average Years diving CC			2.38		Lowest	1		Highest	24		I rounded up to whole years
Number of Dives OC and CC				Mean	1344.16			Lowest	100		Highest	8000
Number of Dives CC				Mean	161.20			Lowest	6		Highest	4000
Open Water Qualifications				Open Water / Ocean diver			11	4.66	%
				AOW			6	2.54	%
				Rescue Diver / Sports Diver			12	5.08	%
				Dive Master / Dive leader			45	19.07	%
				Advanced Diver (BSAC)			36	15.25	%
				First Class Diver (BSAC)			16	6.78	%
				Instructor			103	43.64	%
CC Qualifications				Basic Rebreather Diver			145	61.44	%
				Normoxic Trimix			16	6.78	%
				Full Trimix			68	28.81	%
Diving Beyond Qualifications				79	33.47	%
Training Agency			IANTD	136	57.63	%
			TDI	77	32.63	%
			SSI	8	3.39	%
			ANDI	3	1.27	%
			IART	6	2.54	%
			RAB	2	0.85	%
			CEDIP	1	0.42	%
			Self Taught	3	1.27	%
The Units
Auto Air Removed		No	136	57.63	%	Auto Air Free Flow		No	172	72.88	%
		Yes	101	42.80	%			Yes	65	27.54	%
Harness Removed		No	156	66.10	%
		Yes	80	33.90	%
Wing Removed		No	180	76.27	%
		Yes	57	24.15	%
ADV Fitted		No	172	72.88	%		Bob Howells Plug N Play			15	6.36	%
		Yes	65	27.54	%		Bob Howells T Piece			39	16.53	%
							APD's			3	1.27	%
							Other			8	3.39	%
Diluent DV Added			No	139	58.90	%
			Yes	98	41.53	%
Oxygen DV Added			No	159	67.37	%
			Yes	78	33.05	%
Extra Diluent Valve fitted			No	216	91.53	%
			Yes	20	8.47	%
The Problems
Cell Warning Pre Dive			No	114	48.31	%
			Yes	121	51.27	%
Cell Warning during Dive			No	97	41.10	%
			Yes	140	59.32	%
Cell Failure Pre Dive			No	148	62.71	%
			Yes	89	37.71	%
Cell Failure during Dive			No	177	75.00	%
			Yes	60	25.42	%
Handset Cracked			No	191	80.93	%
			Yes	46	19.49	%
Handset Flooded			No	204	86.44	%
			Yes	33	13.98	%
Handset On/Off Stuck			No	203	86.02	%
			Yes	34	14.41	%
Handset Slider Stuck			No	184	77.97	%
			Yes	53	22.46	%
Loop Flood			No	188	79.66	%
			Yes	49	20.76	%		I removed Loop floods that were deliberate
Solenoid Stuck Open Pre-dive				No	232	98.31	%
				Yes	5	2.12	%
Solenoid Stuck Open Dive				No	222	94.07	%
				Yes	15	6.36	%
Solenoid Stuck Closed Pre-dive				No	228	96.61	%
				Yes	9	3.81	%
Solenoid Stuck Closed Dive				No	224	94.92	%
				Yes	13	5.51	%
									Breakthrough time (Mins)
Scrubber Breakthrough				No	210	88.98	%		Min:	5		Max:	540		Ave:	227.46
				Yes	27	11.44	%
Mouthpiece O ring Unseat				No	175	74.15	%
				Yes	13	5.51	%
Battery Bounce				No	171	72.46	%
				Yes	66	27.97	%
Injector Problems				No	209	88.56	%
				Yes	28	11.86	%
Dump Valve Problem				No	214	90.68	%
				Yes	23	9.75	%
O2 Side Leak				No	216	91.53	%
				Yes	21	8.90	%
Diluent Side Leak				No	221	93.64	%
				Yes	16	6.78	%
Scrubber Cannister Structural failure					10	4.24	%	This question was not added till late so this is a low capture rate estimated % is								15.15	%
												(based on number of replies after ? Added)
Molex Connector Problems					12	5.08	%	This question was not added till late so this is a low capture rate estimated % is								18.18	%
												(based on number of replies after ? Added)
Whoops
Entered water Cell warning				No	203	86.02	%
				Yes	34	14.41	%
Continued dive Cell warning				No	133	56.36	%
				Yes	104	44.07	%
Unit Off on entry				No	229	97.03	%
				Yes	8	3.39	%
Dived with No pre Dive checks				No	221	93.64	%
				Yes	16	6.78	%
Dived with No prebreathe				No	196	83.05	%
				Yes	41	17.37	%
Entered Water O2 Off				No	224	94.92	%
				Yes	13	5.51	%
Entered Water Diluent Off				No	210	88.98	%
				Yes	27	11.44	%
Hypoxic during dive				No	227	96.19	%
				Yes	10	4.24	%
Hyperoxic during dive				No	224	94.92	%
				Yes	13	5.51	%
Hypercapnia during dive				No	196	83.05	%
				Yes	41	17.37	%
The Diving
Gas Used			Air		206	87.29	%	Users can use multiple gases
			Normoxic Trimix		92	38.98	%
			Hypoxic Trimix		88	37.29	%
			Heliair		96	40.68	%
			Heliox		19	8.05	%
Cell change interval			Min:	4		Max:	24		Ave:	13.84
(Months)			Change at cell failure		26	11.02	%
Scrubber Duration rated			Min:	80		Max:	720		Ave:	226.32
(Minutes)
Battery Change Voltage			Min:	5.1		Max:	6		Ave:	5.70
(Volts)			Those using voltage monitoring			22	9.32	%
Cells used		R22-2BUD from APD		213	90.25	%
		R22D from Teledyne		18	7.63	%
		PSR-11-39-MD		3	1.27	%
Scrubber Used		Sofnolime 1 - 2.5 mm			212	89.83	%
		Sofnolime other size			2	0.85	%
		Dragersorb			11	4.66	%
		Medisorb			3	1.27	%
		Chemimpo BV 1.5-5,0mm			1	0.42	%
		Carb-O-Sorb			1	0.42	%
		Spherasorb 3.0-4.0 mm			2	0.85	%
Solo Dive on OC			No	63	26.69	%
			Yes	174	73.73	%
Solo Dive on Inspiration			No	101	42.80	%
			Yes	136	57.63	%
Bailout		Bailout Carried		189	80.08	%
		Alpininst		45	19.07	%
		Spare rebreather		3	1.27	%
Maximum Depth CC			Mean	69.94		Lowest	15		Highest	177		Metres
Average Depth CC			Mean	39.56		Lowest	10		Highest	100		Metres
Dives per Year CC			Mean	54.89		Lowest	4		Highest	502
Longest Dive CC			Mean	135.00		Lowest	40		Highest	420		Mins
Average Dive CC			Mean	68.61		Lowest	35		Highest	180		Mins
Deco Method		Tables		54	22.88	%
		VR3		105	44.49	%
		Abyss Explorer		8	3.39	%
		Nexus		34	14.41	%
		Suunto		9	3.81	%
		Uwatec		9	3.81	%
		Dive Rite Nitec		2	0.85	%
		HS Explorer		1	0.42	%
		Cochran		4	1.69	%
Tables Used		DDplan		23	9.75	%
		Proplanner		26	11.02	%
		Gap		11	4.66	%
		Zplan		29	12.29	%
		Vplan		17	7.20	%
		DecoPlanner		5	2.12	%
Miscellaneous
Last update		03/04/2003
© Stephen Hawkins 2002			Data may be used and published elsewhere provided source is quoted or linked to