It's not my arm, but yes thank you I am very strong lol... My friend is quite short holding the lid open anyway! lol... The back of the hood is entirely cantilevered... ( http://en.wikipedia.org/wiki/Cantilever ) It's my own design. I was not sure (99,7% sure) it would work, but it does. It could be refined for future projects I guess but it works the bomb and gives a great, clean look. Yes sumps are the bomb! I Googled the subject extensively before deciding to head this route. Each to their own. I won't convince you one car is better than another, we're all different. Same as EI versus PPS versus even more methods for fertilizing the water column blah blah blah If we all thought the same life would be terrible hey?!