Tuesday, March 28, 2017

Final drawing of the MD-902

This looks OK, but I decided to leave it as is because I did too many shading mistakes...
I might revisit this plane, once my technique allows me a more refined result.
Zoom on the engine.
The technique can be quite rough, yet give a good overall result.
I feel that trying to make it perfect can be counter productive. Focusing on rivets rather than on the overall style (if that makes ANY sense).

Saturday, March 25, 2017

Single stage to orbit for deep space.

Fooling around with a "cheap as nuts" disposable central section, essentially a girder with tanks and the bare minimum aero surfaces.
The outriggers use an aero-spike nozzle, one foldable control surface and a pivoting re-entry wing.
I will explore that further, in another doodle, as a lifting surface for take off.
The concept is of a single stage to orbit craft for deep space or to reach a Lagrange point space station. Max thrust to weight becomes far more important than absolute reuse-ability.

On the drawing side,  it's a bit better, more unified, and I'm Ok-ish with the post scan work.
Right now, I can scan a bit bigger than A4, but drafting freehand is easier on A3. I can tile the pretty well, but if people start ordering these in A2 or A1, it's not going to cut it!

Wednesday, March 22, 2017

Concept doodles of posible Copenhagen suborbital capsule.

Safety separation booster pack at the rear with passive re-entry aero (auto-stable).

Concept idea of a composite capsule. Inner carbon tubing, outer shell of mixed composites.

Safety separation booster pack up front and re-entry aero fully provided via parachutes.

Go check them out! Copenhagensuborbitals.com

Tuesday, March 21, 2017

MD-902 With a somewwhat correct engine.

The actual engine referenced in the documents about the MB-902 is not available on the internets, or I have not found it -yet.
The closest I could find were the "low power" versions: the Isotta Fraschini Asso 750, instead of the actual Asso 1000. This is thanks to the picture database of the AEHS.
In any case, the general shape and size is the same, and the W16 now makes the shape of the fuselage "fit" where the V12 was sort of odd. This is a bit "aviation archaeology" by way of the pencil...
For the cut outs, they are based on other Macchi or Bellomo aircraft of the same period.

From a drawing standpoint, this is all done with 0.7mm H mechanical pencil.
I was starting to get limited by this but did not upgrade yet.

More MD-902

Still with the wrong engine.
The shape is weird to draw: The fuselage is advanced but the wings are very thick.
This aircraft was, like the Hurricane, at the meeting point between older space frame biplanes and the up and coming monocoque monoplanes.

Monday, March 20, 2017

Stuff with Copenhagen Sub Orbital.

Single person module brainstorming.
Basic flight plan.

Go check their stuff out, it's incredible what they are doing with a shoe string budget:

Sunday, March 19, 2017

To Low Earth Orbit!

Central booster, erm, gets boosting.

More, more, single Stage to Orbit, SSTO.

The RamJets - or Scramjet - not decided yet, take over.
The Aerospike nozzles allow for higher efficiency across the wide range of atmospheric pressures this stage will encounter.

More single Stage to Orbit, SSTO.

Take off - only the solids are at 100% - because solids are always at 100%...

Single Stage to Orbit, SSTO.

Outer solids to get it off the ground.
Inner Ram Jet/Aerospike to the upper atmosphere.
Where the  central liquid booster takes over.
Everything reusable - of course.

MB 902 - A Pre WW2 Italian project.

Drew the wrong engines!