I recently purchased a brand new rollgliss R500 with 450' of static rope. It has a hand crank for lifting. I took off the hand crank and coupled a cordless drill to the gear box. The drill on low speed worked fine for lifting me (180lbs plus gear). The motor did not get hot and I climbed 60' in less than 5 minutes. I used a rope brake above the R500 as a backup. After reaching the top I set my climbing line and disconnected from the R500. I used my hitch climber and a figure 8 for decent. The rollgliss was 175.00 on ebay, retail was around 2 to 3 thousand. A wraptor is around 2800. I think I did pretty good on price and it works better than expected. At the very least I have a cordless winch. Thoughts, comments, suggestions?