eCLAWN (oz15677)
About this Plan
eCLAWN. F2B control line trainer model. Wingspan 820 mm. For electric power.
Direct submission to Outerzone.
Quote: "Hi friends, I present to you an improved, electrical version of an old F2B model for beginners from the 80s, named 'Clawn'. The original model, powered by a 2.5cc combustion engine, was loved by children because it was easy to build and flew very well.
I made this model in memory of a great guy who spent his life educating children: prof. and Messerschmitt bf 109 pilot - Radu Ion.
For those interested, I have included the dxf files for laser cutting. The main PDF file is the construction plan at 1:1 scale.
Changes from original plan:
- fuselage is thicker to include battery and ESC (new building technique)
- asymmetric wing
- accurate airfoil
- a bit larger flaps
- shorter vertical tail
- larger lateral surface on aft fuselage
- motor moved up (not anymore in line with the wing)
- motor angle increased from 0 to 2 degrees
- Bellcrank moved front few millimeters
- designed an adjustable wire leadouts part
- lighter landing gear
- Flaps and elevator horns redesigned
- CG calculation
- other aesthetic changes to achieve a better balanced airplane.
Regards,
Arthur Nicolae"
Supplementary file notes
Parts zipfile (dxf format).
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(oz15677)
eCLAWN
by Arthur Nicolae
July 2021
32in span
Electric C/L Trainer
clean :)
all formers complete :)
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Submitted: 14/11/2024
Filesize: 161KB
Format: • PDFbitmap
Credit*: ArthurNicolae
Downloads: 409
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User comments
What a great idea for a fuselage! Overall beautiful design. I'd love to build it for rc, maybe with a bit larger vertical stabilizer?Overall, beautiful design. Thanks so much!
Swav - 26/11/2024
Hi Swav,
for CL models a short vertical tail is beneficial (is related to maintain the wire tension in acrobatic evolution).
For RC models is more important to have a balanced lateral surface of the fuselage... you can increase the height of the vertical tail but be sure the aft lateral surface to not be too large (in which case the airplane will drop the nose in turn evolution) .
Good luck !
Arthur Nicolae - 27/11/2024
A very cleaver electrification of a traditional spruce structure. The photos show two beautifully built models. The nose design looks super neat and could be applied to many profile stunters when going electric.
Information on any of the following would greatly help my understanding of the model:
is the motor about 200 watts? Can the battery be changed between flights? Where do the wires go? What is the function of the 2 slots in the left hand fuselage side and the well in battery cutout in the fuselage left side balsa? Is the aft fuselage balsa or spruce? What is good flying weight/mass?
ozejohn - 28/11/2024
@ozejohn: I don´t think the pictures are real photos but rendered from the CAD program.
Martin K. - 28/11/2024
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- eCLAWN (oz15677)
- Plan File Filesize: 161KB Filename: eCLAWN_oz15677.pdf
- Supplement Filesize: 106KB Filename: eCLAWN_oz15677_parts_cad.zip
- help with downloads
Notes
* Credit field
The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.
Scaling
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