Concept of
Sondola Airship
Aircraft for the convenient access of remote areas to promote family
planning in many possible regions. Dual hull design for long-distance
travel. Outlined for the steady observation and control of critical
areas on the ground.
---Specs. 1---
Elementary concept of the double-decker airship. Blue lines: Two envelopes, one above the other.

---Specs. 2---
Black lines: Catenary cables which lead through both envelopes. Red
ellipse: Gondola near the blimp's front. Green part: Engine and
propeller.

---Specs. 3---
Yellow: Valve at a hose where helium moves between two envelopes. Blue
rectangles: Hydrogen bags. Pink ellipse: Capsule for a fuel cell,
electric engines, and hydrogen storage tanks.

---Specs. 4---
For additional security, the hydrogen bags are surrounded by helium which is the blimp's primary lifting gas.

(Available since 1.2.08. Edited and updated 23. June, 2008)