Figure Eights with Ears

Table Set 1: Full Size and Smaller

Table 1: Full Size Figure Eights with Ears

The height of most of these are in the 150 to 160 mm range.

ID Device Total
Height Total
Width Maximum
Thickness Rope
Hole
Height Rope
Hole
Width Thickness
at Top Shaft
Length Minimum
Shaft
Width Eye
Height Eye
Width Aux
Height Aux
Width Ear
#1 Ear
#2

936
Aircraft Materials Ltd.
173 122 12.5 56.6 56.6 12.4 61.9 28.9 22.7 22.7 - - 17 -

925
Calma Antibloc
151 109 14.7 52.9 52.8 10.9 43.4 29.8 36.3 36.3 20.5 10.9 23.2 -

328 Russ Anderson, Version A 159 135 13 61.3 61.3 12.7 48.5 30.5 27.7 27.7 - - 22.7 -

329 Russ Anderson, Version B 159 135 13 61.4 61.4 12.6 48.8 31 27.6 27.6 34.7 12.8 23.2 -

334 Russ Anderson, Version C 155 133 13 60.3 60.3 12.7 52.3 31.1 20.4 29.7 - - 23.8 -

335 Russ Anderson, Version D 155 133 13 60.2 60.2 12.8 52.4 38.7 20.2 29.3 19.5 19.5 23.1 -

ID	Device	Total Height	Total Width	Maximum Thickness	Rope Hole Height	Rope Hole Width	Thickness at Top	Shaft Length	Minimum Shaft Width	Eye Height	Eye Width	Aux Height	Aux Width	Ear #1	Ear #2
936	Aircraft Materials Ltd.	173	122	12.5	56.6	56.6	12.4	61.9	28.9	22.7	22.7	-	-	17	-
925	Calma Antibloc	151	109	14.7	52.9	52.8	10.9	43.4	29.8	36.3	36.3	20.5	10.9	23.2	-
328	Russ Anderson, Version A	159	135	13	61.3	61.3	12.7	48.5	30.5	27.7	27.7	-	-	22.7	-
329	Russ Anderson, Version B	159	135	13	61.4	61.4	12.6	48.8	31	27.6	27.6	34.7	12.8	23.2	-
334	Russ Anderson, Version C	155	133	13	60.3	60.3	12.7	52.3	31.1	20.4	29.7	-	-	23.8	-
335	Russ Anderson, Version D	155	133	13	60.2	60.2	12.8	52.4	38.7	20.2	29.3	19.5	19.5	23.1	-

Table 2: "Midi" Size Figure Eights with Ears

The height of most of these are in the 130 to 145 mm range.

ID Device Total
Height Total
Width Maximum
Thickness Rope
Hole
Height Rope
Hole
Width Thickness
at Top Shaft
Length Minimum
Shaft
Width Eye
Height Eye
Width Aux
Height Aux
Width Ear
#1 Ear
#2

311
CMC Rappel 8
132 140 13 57.1 57 12.9 14.3 50.8 38.9 28.5 - - 29.1 -

595
Hugh Banner Safety "8", Version A
145 108.2 12.7 47.6 47.8 12.1 68 28 6.1 21.1 - - 19.5 -

1032
Hugh Banner Safety "8", Version B
141 108.5 12.6 47.6 47.8 12.1 68 28 15.7 21.1 - - 19.5 -

1022
Kong
140 129 15.8 49.1 49.1 12.6 45.7 25.8 25.2 25 27.2 10 29.3 -

532
Morph 8
146 65 13 77.9 30 12.8 36.6 24.6 25.3 16.8 - - 24.1 -

952
Morph 8 Prototype
146 66.8 12.7 77.7 28.7 12.6 37.6 22.2 25.2 12.8 - - 21 -

1114
Quechua
122 75.4 10 40.9 52.9 10 37.8 26.1 19.7 22.9 - - 2 -

568 Single Rope Technique R8Sa 135 119.2 12.1 46.9 53.4 11.9 43.8 35.7 20 24.5 8 8 21.5 -

347
TZ eight
128 88 14 37.8 63 13 9.8 32.2 56.1 16 - - 41.6 -

ID	Device	Total Height	Total Width	Maximum Thickness	Rope Hole Height	Rope Hole Width	Thickness at Top	Shaft Length	Minimum Shaft Width	Eye Height	Eye Width	Aux Height	Aux Width	Ear #1	Ear #2
311	CMC Rappel 8	132	140	13	57.1	57	12.9	14.3	50.8	38.9	28.5	-	-	29.1	-
595	Hugh Banner Safety "8", Version A	145	108.2	12.7	47.6	47.8	12.1	68	28	6.1	21.1	-	-	19.5	-
1032	Hugh Banner Safety "8", Version B	141	108.5	12.6	47.6	47.8	12.1	68	28	15.7	21.1	-	-	19.5	-
1022	Kong	140	129	15.8	49.1	49.1	12.6	45.7	25.8	25.2	25	27.2	10	29.3	-
532	Morph 8	146	65	13	77.9	30	12.8	36.6	24.6	25.3	16.8	-	-	24.1	-
952	Morph 8 Prototype	146	66.8	12.7	77.7	28.7	12.6	37.6	22.2	25.2	12.8	-	-	21	-
1114	Quechua	122	75.4	10	40.9	52.9	10	37.8	26.1	19.7	22.9	-	-	2	-
568	Single Rope Technique R8Sa	135	119.2	12.1	46.9	53.4	11.9	43.8	35.7	20	24.5	8	8	21.5	-
347	TZ eight	128	88	14	37.8	63	13	9.8	32.2	56.1	16	-	-	41.6	-

Table 3: "Mini" Size Figure Eights with Ears

These are very small, but include some of my favorites.

ID Device Total
Height Total
Width Maximum
Thickness Rope
Hole
Height Rope
Hole
Width Thickness
at Top Shaft
Length Minimum
Shaft
Width Eye
Height Eye
Width Aux
Height Aux
Width Ear
#1 Ear
#2

922
Austrialpin Eight Special
113.8 94.9 10 38.1 52 9.7 36.9 24.5 20 25.1 - - 13.5 -

927
Faders Ballet
107.9 80.2 18.6 52.8 34.8 10 35.1 25.1 19.9 25.3 - - 12.3 -

981
Lazy 8
103.5 71.5 10 65.6 26.5 9.8 16.2 38.6 35.8 26.1 - - 19.1 20.8

904
Petzl Pirana
115 76.4 14.8 52.8 47.8 11.1 28.1 24.2 10.8 12 - - 13.7 25

972
Russian copy of Petzl Pirana
123 77.2 9.8 50.6 46 9.7 24.7 24.7 14..6 11.7 - - 14.6 25.7

586
SBCI Amigo Bailout 8
119.5 92.4 12.9 37.3 55.3 12.6 35.4 30.3 21.4 25.5 - - 19.3 -

507
Stubai
113.8 94.9 10 38.1 52 10 36.9 24.4 20.1 25.1 - - 14 -

ID	Device	Total Height	Total Width	Maximum Thickness	Rope Hole Height	Rope Hole Width	Thickness at Top	Shaft Length	Minimum Shaft Width	Eye Height	Eye Width	Aux Height	Aux Width	Ear #1	Ear #2
922	Austrialpin Eight Special	113.8	94.9	10	38.1	52	9.7	36.9	24.5	20	25.1	-	-	13.5	-
927	Faders Ballet	107.9	80.2	18.6	52.8	34.8	10	35.1	25.1	19.9	25.3	-	-	12.3	-
981	Lazy 8	103.5	71.5	10	65.6	26.5	9.8	16.2	38.6	35.8	26.1	-	-	19.1	20.8
904	Petzl Pirana	115	76.4	14.8	52.8	47.8	11.1	28.1	24.2	10.8	12	-	-	13.7	25
972	Russian copy of Petzl Pirana	123	77.2	9.8	50.6	46	9.7	24.7	24.7	14..6	11.7	-	-	14.6	25.7
586	SBCI Amigo Bailout 8	119.5	92.4	12.9	37.3	55.3	12.6	35.4	30.3	21.4	25.5	-	-	19.3	-
507	Stubai	113.8	94.9	10	38.1	52	10	36.9	24.4	20.1	25.1	-	-	14	-

Table 4: "Micro" Size Figure Eights with Ears

These are designed as personal escape devices (a.k.a., PEDs), and not for normal daily use.

ID Device Total
Height Total
Width Maximum
Thickness Rope
Hole
Height Rope
Hole
Width Thickness
at Top Shaft
Length Minimum
Shaft
Width Eye
Height Eye
Width Aux
Height Aux
Width Ear
#1 Ear
#2

1027
CMC Survivor 8
73.1 70.5 9.8 31.5 31.5 9.5 5 35.3 19.5 19.5 - - 8.2 -

583
New England Micro Rappel Device
91.5 51.6 9.7 22.9 22.9 9.4 34.1 31.8 18.2 15.6 18.2 15.6 6.5 5.7

585
SMC Personal Escape 8
71.7 69.8 9.7 24.1 41.6 9.5 15.5 22.3 16.5 16.5 - - 12.5 -