Professional

9m Extension ladder

Extension ladder, 9 m, 32 steps. Crest only tests the steps Franco named: step 15, 16, 17 and 18.

32-step ladder · 4 steps to test

Step to testStartIncrementStopInc holdFinal holdReference
Step 15 150.0 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 16 150.0 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 17 150.0 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 18 150.0 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.

All ladders