Grill crank calculation
Grill crank calculation
(OP)
Hi, I just finished a meat grill and it heavier than I expected, the grill is moved up/down by a crank.
I would like to know how to calculate the length of the crank so the force needed to move is not to much, for example I need my wife to be able to turn it.
Here is a schematic, the axle diameter is 15mm(5/8"):

The CAD drawing is here: http://peu.net/temp/parrillaguido.jpg
Thanks a lot in advance!
I would like to know how to calculate the length of the crank so the force needed to move is not to much, for example I need my wife to be able to turn it.
Here is a schematic, the axle diameter is 15mm(5/8"):

The CAD drawing is here: http://peu.net/temp/parrillaguido.jpg
Thanks a lot in advance!
Pablo
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I use SW2007, no need to upgrade yet :)





RE: Grill crank calculation
37.5 lb/2 = 18.75 lbs tension each cable
18.75 x 5/8 = 11.72 in-lbs torque required
11.72 / X = lbs force on handle
i.e. If handle is 8 inches long the force to turn it is:
11.72/8 = 1.46 lbs
Timelord
RE: Grill crank calculation
Ted
RE: Grill crank calculation
Ted
RE: Grill crank calculation
Timelord
RE: Grill crank calculation
Fe
RE: Grill crank calculation
I came to the same conclusion as Timelord but via the empirical route, welded a 20 inches bar to the shaft and began to crank it, it became comfortable around 10 inches.
Pablo
---
I use SW2007, no need to upgrade yet :)
RE: Grill crank calculation
Fe
RE: Grill crank calculation