Professional

6m Extension ladder

Extension ladder, 6 m, 22 steps. Crest only tests the steps Franco named: step 10, 11, 12 and 13.

22-step ladder · 4 steps to test

Step to testStartIncrementStopInc holdFinal holdReference
Step 10 150.0 kg 25.0 kg 2697 N (275.0 kg) 10 s 60 s 150–275 kg in 25 kg steps. Increment hold 10 s. Final hold 60 s at 275 kg.
Step 11 150.0 kg 25.0 kg 2697 N (275.0 kg) 10 s 60 s 150–275 kg in 25 kg steps. Increment hold 10 s. Final hold 60 s at 275 kg.
Step 12 150.0 kg 25.0 kg 2697 N (275.0 kg) 10 s 60 s 150–275 kg in 25 kg steps. Increment hold 10 s. Final hold 60 s at 275 kg.
Step 13 150.0 kg 25.0 kg 2697 N (275.0 kg) 10 s 60 s 150–275 kg in 25 kg steps. Increment hold 10 s. Final hold 60 s at 275 kg.

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