P U L L T E S T
All
line post samples were 13 gauge x 8' stakes,
pulled at 24" below the top (48" above the ground)
with 24" of stake in the ground
|
| Cal-Line
Rolled Edge |
"Top"
Competitor |
Mannwerks
Grape Stake |
| No.
of Lbs. |
Deflection |
Deflection |
Deflection |
| 25 |
0" |
1/2" |
0" |
| 50 |
1/4" |
1" |
1/4" |
| 75 |
3/4" |
1
1/2" |
1/2" |
| 100 |
1" |
1
3/4" |
3/4" |
| 125 |
1
1/2" |
2
1/4" |
1
1/2" |
| 150 |
2
1/4" |
2
3/4" |
1
3/4" |
| 175 |
2
1/2" |
FAIL |
2" |
| 200 |
3" |
|
2
1/2" |
| 225 |
FAIL |
|
3" |
| 250 |
|
|
3
1/2" |
| 275 |
|
|
4
1/2" |
| 300 |
|
|
5
5/8" |
| 325 |
|
|
FAIL |
| |
3 5/8" PERM.
DISTORTION |
3 3/4" PERM.
DISTORTION |
3
1/2" PERM.
DISTORTION |
| NOTE:
PULL TEST PERFORMED IN THE SUMMER OF 2000. WE
NOW USE AN IMPROVED WIRE SLOT THAT SIGNIFICANTLY
IMPROVES THE STRENGTH OF THE STAKE. |
|
P U L L T E S T
All
line post samples were 12 gauge x 8' stakes,
pulled at 24" below the top (48" above the ground)
with 24" of stake in the ground |
|
12
ga. "Grande"-domestic |
12
ga. "Grande"-import |
| No.
of lbs. |
Deflection |
Deflection |
| 25 |
1/2" |
1/2" |
| 50 |
1" |
1" |
| 75 |
1
5/8" |
1
1/2" |
| 100 |
2
1/4" |
2" |
| 125 |
2
5/8" |
2
3/8" |
| 150 |
3" |
2
3/4" |
| 175 |
3
1/2" |
3
1/4" |
| 200 |
FAIL
@ 208 lbs. |
3
3/4" |
| 225 |
|
FAIL
@ 220 lbs. |
| 250 |
|
|
| 275 |
|
|
| 300 |
|
|
| 325 |
|
|
| |
3" PERM.
DISTORTION |
4
1/2 " PERM.
DISTORTION |
| NOTE:
AS INDICATED IN THE ABOVE
TEST, THE 13 GAUGE MANNWERKS STAKE IS SIGNIFICANTLY
STRONGER THAN EVEN THE 12 GAUGE POSTS TESTED. |
|