Having read David's article on building raising periscopes, I thought I'd offer my idea on the subject. I don't claim it's my own invention, it was the culmination of a night in Bernie's front room talking submarine stuff, a delicious meal cooked by Bernie's wife Anita, a bottle of scotch, and in the company of Dave Stevens.
The idea was used on U-117 back in the 80's, and worked pretty well for something so simple.
The diagrams should be more or less self explaining, I hope...and it should be very easy to modify for different types of boat.
![Working periscope...part 2 Raisin10](https://i.servimg.com/u/f62/15/02/95/81/raisin10.png)
![Working periscope...part 2 Raisin10](https://i.servimg.com/u/f62/15/02/95/81/raisin10.jpg)
The idea was used on U-117 back in the 80's, and worked pretty well for something so simple.
The diagrams should be more or less self explaining, I hope...and it should be very easy to modify for different types of boat.
![Working periscope...part 2 Raisin10](https://i.servimg.com/u/f62/15/02/95/81/raisin10.png)
![Working periscope...part 2 Raisin10](https://i.servimg.com/u/f62/15/02/95/81/raisin10.jpg)
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