According to the quantity of water in your glider, flaps settings and best glide speed vary. Here is some data to help you during flight.

ASW 22BL	km/h				knots
Flaps \ Water	Dry	Half	Wet		Dry	Half	Wet
5	<72	<79	<86		<39	<43	<46
4	72-92	79-101	86-110		39-50	43-56	46-59
3	92-103	101-114	110-24		50-56	56-62	59-67
2	103-129	114-142	124-155		56-70	62-77	67-84
1	>129	>142	>155		>70	>77	>84
Stall	65	72	78		35	39	42
Min sink	79	87	95		43	47	51
Max L/D	93	103	112		50	56	60

ASW 27B	km/h				knots
Flaps \ Water	Dry	Half	Wet		Dry	Half	Wet
5	<74	<78	<81		<40	<42	<44
4	75-82	79-86	82-89		41-44	43-46	45-48
3B	83-104	87-113	90-121		45-56	47-61	49-65
3A	105-126	114-141	122-156		57-68	62-76	66-84
2	127-170	142-192	157-213		69-92	77-104	85-115
1	>170	>192	>213		>92	>104	>115
Stall	70	79	88		38	43	48
Min sink	84	96	107		45	52	58
Max L/D	100	114	127		54	62	69

ASW 28	km/h				knots
Speed \ Water	Dry	Half	Wet		Dry	Half	Wet
Stall	70	79	87		38	43	47
Min sink	85	95	105		46	52	57
Max L/D	92	104	115		50	56	62

Discus 2B	km/h				knots
Speed \ Water	Dry	Half	Wet		Dry	Half	Wet
Stall	70	79	88		38	43	48
Min sink	80	90	100		43	49	54
Max L/D	95	108	120		51	58	65

LS 6B	km/h				knots
Flaps \ Water	Dry	Half	Wet		Dry	Half	Wet
10	<100	<111	<121		<54	<60	<65
5	100-117	111-129	121-140		55-63	60-70	65-76
0	117-151	129-166	140-181		63-82	70-90	76-98
-5	>151	>166	>181		>82	>90	>98
Stall	68	76	83		37	41	45
Min sink	82	90	98		44	49	53
Max L/D	100	111	121		54	60	65

LS 8B	km/h				knots
Speed \ Water	Dry	Half	Wet		Dry	Half	Wet
Stall	70	79	88		38	43	48
Min sink	82	93	103		44	50	56
Max L/D	97	110	122		52	59	66

Nimbus 4	km/h				knots
Flaps \ Water	Dry	Half	Wet		Dry	Half	Wet
+2	<78	<89	<99		<42	<48	<53
+1	78-95	89-108	99-120		42-51	48-58	53-65
0	95-135	108-153	120-171		51-73	58-83	65-92
-1	135-165	153-187	171-209		73-89	83-101	92-113
-2	<165	>187	>209		>89	>101	>113
Stall	66	74	82		36	40	44
Min sink	79	90	100		43	49	54
Max L/D	93	104	115		50	56	62

Ventus 2BX	km/h				knots
Flaps \ Water	Dry	Half	Wet		Dry	Half	Wet
L	60-70	70-85	75-90		32-38	38-46	40-49
+2/+1	65-80	77-95	85-105		35-43	42-51	46-57
0	90-110	105-130	110-140		49-59	57-70	59-76
-1	100-130	120-155	130-170		54-70	65-84	70-92
-2	125-170	145-195	155-210		67-92	78-105	84-113
S	170-185	195-210	210-230		92-100	105-113	113-124
S1	185-270	210-270	230-270		100-146	113-146	124-146
Stall	68	78	87		37	42	47
Min sink	75	85	95		40	46	51
Max L/D	100	114	128		54	62	69