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I would be interested in the essay. Please send to davidklein2425@gmail.com. Thank you.Back inflates don't push you forward. Improper and over weighting does that. I also have an 11 page essay on back inflate/backplate and wing style BC set up, use, weighting, and options that I send to anyone who gives me an email address. It's too big to post here or send via private message.
I think instead of denying that some people have issues with back inflate BCDs pushing them forward, which can definitely happen, it would be more constructive to say it should not happen with correct inflation, weighting and weight distribution.