We are making a forklift this year and have come up with a potential design. The design has stages mounted in front of eachother and will use drawer slides or igus linear slides. Do you think there is too much force on the slides if we do a 4 foot stage with 10 inch overlap? Should we go with an imbedded u-channel design instead and how can we do this? Here is the design:

Thank you very much!