Blohm and Voss P192 (oz14424)

 

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User comments

I'd love to see this thing fly. Pres Bruning is a steely eyed free flight man!
tom - 08/03/2023
Blom and Voss p192 [more pics 003, 004]. I sized it up to 55cm and put in 3 channel rc with emax 2205/22 and 2s lipo pack.
Rolf - 20/03/2023
Amazing!
tom - 21/03/2023
I'd like to make this a FF rubber model but how would i wind it?
tom - 21/03/2023
Sorry, it was a German secret project, they never revealed how they winded the real one. Someone says they have a special jig for firmly maintain the prop and rotates all the plane half a turn each time. With the pilot inside of course.
pit - 21/03/2023
Pit, the propeller rotated while the rest of the plane stayed static. The fuselage bit ahead of the prop was held in place by the two booms and the little canard. The SPAD S.A* followed the same principle, which gave advance warning of the formula's lack of success.
Great finish on the photos, by the way, the artist**, knows his breach from his mussel!
* https://en.wikipedia.org/wiki/SPAD_S.A
** I see art in flying models :)
Miguel - 21/03/2023
Tom, if you check the plan, there's a fuselage break just in front of the fin, with access to the rear rubber hook plug. If you unplug the tail, the motor can be wound from the rear. A strip of wood between the canard and wing, across the prop, will prevent the prop rotating during winding.
Roger T - 22/03/2023
I still favor Pit's explanation.
Jan Novick - 22/03/2023
'The artist knows his breach from his mussel'
You are going to have to explain this to me.
tom - 22/03/2023
Tom, that is a very old expression referring to the loading of a firearm. The weapon would have been either breach loading (modern) or muzzle loading (obsolete or old fashioned). Someone who knew the difference would be up-to-date and, if a designer, presumably competent.
Similar expressions are still used, albeit usually a bit more vulgar. One I have seen locally says someone "knows the difference between a burro and a burrow."
Bill H - 22/03/2023
As a matter of fact, the correct term is 'breech', I used 'breach' and 'mussel' on purpose for the farcical effect. The explanation was somewhat simpler Where I learnt to use this. If you knew which end of the barrel to point towards the enemy then you were already officer material (except Lt. j(g.) of course). Also, if you find a breach in the barrel or appurtenances of your gun you are advised not to use it other than as a close-contact weapon, Instead, you should bring it to your friendly armourer.
Jan, after a thorough analysis of the text alluded to, I am inclined to recognise that it does have merit. Give this man a cigar!
Miguel - 22/03/2023
Tom... How about blowing hard at the prop from behind?
RC Yeager - 22/03/2023
just another solution : build a flat 3mm balsa pulley to be glued on the prop hub. Wind up on the pulley a long invisible fishing nylon thread, then install rubber band. To wind up the rubber simply pull the fish line. Automatically rewind on flight! Flight time will be influenced by the maximum charge determined by the distance of your arms from tip to tip. Leonardo Da Vinci Vitruvian Man could be useful. Pit
Pit - 23/03/2023
These German end-of-war designs tended to be so innovative - in lieu of a more suitable but unprintable term - that the genre became known as Luftwaffe 1946 or LW'46 for short. Nevertheless, the designs did exist at least in paper form, from back-of-envelope to full-fledged design studies with wind tunnel data and all. Only a small minority had any metal cut (or wood), for the relief of the poor test pilots. Personally, I think they weren't even meant to fly at all, only to make the design offices look busy to avoid being sent to the East Front.
I find it perfectly in the spirit that solutions continue to be sought by present-day lunatics, as evinced by the recent spate.
Miguel - 23/03/2023
Most of these projects were abandoned due to the lack of decent rubber bands to power them at the end of the war. Most of these experimental planes were made of balsa, paper, and rubber band in order to be invisible to the English radars.
Pit - 23/03/2023
Thank you Roger ...i think this is a workable plan.
tom - 23/03/2023
Mr. Pitt is probably correct, there appears to be no record of a German aircraft made of balsa and paper ever being detected by an Allied radar, much less any of those of 13in wingspan.
German ersatz rubber was notoriously bad, most rubber used for this aircraft type was salvaged from wrecks of Allied aircraft shot down over the Reich. Hence the urgency the authorities put on shooting down as many as they could for tyre recycling.
Balsa was a similar problem, the pre-war supply of balsa imports had to be stopped courtesy of the Royal Navy, so the only balsa available came from crashed DH Mosquitos. Balsa, however, found a replacement in Tannenbaum. The popular carol "O Tannenbaum, O Tannenbaum" is in fact an appeal for more balsa ersatz.
Miguel - 24/03/2023
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