Dewoitine 520 (oz13077)
About this Plan
Dewoitine 520. Jumbo rubber scale model WWII French fighter plane. Wingspan 78 cm.
Plan shows working retracts.
Direct submission to Outerzone.
Quote: "Good morning to both of you. I finally managed to scan the Dewoitine 520 plan. I think it's good for service. Friendly, Olivier"
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ScaleType: This (oz13077) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.
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User commentsCan anyone put a date to this one?
SteveWMD - 04/06/2021
The undercarriage intrigued me, but the mechanism is explained in the notes. Here goes my attempt at translation.
The UC comes down for landing. The rear motor hook is fixed to an Al tube that moves within two sliders. A drawstring -attached to this tube and guided by a rear pulley and two centre Al tubes - pulls the UC in when the motor is wound. An elastic joining the UC extending stems pulls the UC down when the motor goes slack. To retract before flight pull the motor out before winding.
Please feel free to criticise my linguistical overreach :-)
Miguel - 04/06/2021
Hello, here is a link to the construction of a CB Dewoitine 520 (in 2016). See https://cieldeguerre.xooit.fr/t266-plan-DEWOITINE-520.htm
Very nice achievement. There's even a video showing the nose gear coming out. Very kindly,
Olivier - 10/06/2021
Here's the video showing the model with landing gear in action https://www.youtube.com/watch?v=V93U4b15w00
SteveWMD - 10/06/2021
Quite similar to the system adopted in Sterling P 47 (oz3447) see scheme on plan. pit
pit - 11/06/2021
I believe the fraction is not good for the wingspan or scale proposition of the plane? It is not 75/100 but 75/1000 which should correspond to the scale of the real plane. I am wrong ?
Olivier - 07/10/2021
Olivier, It is the plan that not full size. As presented it appears to be, and is noted as, 3/4 scale. Printing the pdf at 100% will produce an undersized plan (@30" span). If printed at 133.33% the plan will be the correct size for the model (40" span)
pmw - 08/10/2021
Aha. The plan has "envergure 1018" printed on it. But maybe that doesn't mean model wingspan of 1018 mm. Maybe it means the fullsize airplane has wingspan 10.18m? Ok. My mistake. Also Olivier has just sent in a scan of a CB advert saying "Dewoitine 520 Env 0.78" see pic 003.
SteveWMD - 10/10/2021
Ok, that makes sense. I am changing this listing to say wingspan = 30 inch, now. The plan PDF is full size. I guess the 75/1000 notation does indeed refer to the model's scale ratio of 1/13.333. Thank you Olivier.
SteveWMD - 10/10/2021
hmmm. It gets more complicated. There is also this catalogue pic  thanks to Olivier, which says the D520 has "envergure 890 mm". So maybe there were 2 models?
SteveWMD - 19/10/2021
I think this is a catalog error. I will measure on the plan to be sure.
Olivier - 19/10/2021
Using the wheel diameter for initial calibration, I get a 780mm wingspan, so it looks like all is good.
RC Yeager - 19/10/2021
78 cm is the good span.
Olivier - 20/10/2021
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