Conwing L-16 (SeaDuck)

alexcmag · Jan 19, 2006, 04:27 PM

Since my old CL215 crashed after a broken wing in flight and the MartinMars is too big for small lakes, I will start a new seaplane, probably at 60in wingspan. I like twins and never make a twin-boom twin, so looking for twins on net I found the Talespin airplane, a Conwing L-16 named "The SeaDuck".

alexcmag · Jan 19, 2006, 04:35 PM

3-views and color scheme

alexcmag · Jan 19, 2006, 06:32 PM

Just decided the size... It will have 161cm wingspan (63in)

IWC · Jan 20, 2006, 10:05 AM

I will be watching with great interest. Thanks in advance for sharing your building skills.

Vyceroy · Jan 20, 2006, 10:13 AM

the 3 views are not all to the same scale .. i ran across this when i had them enlarged .. This is on my todo list from Bluecor

alexcmag · Jan 20, 2006, 11:15 AM

Quote:

Originally Posted by Vyceroy

the 3 views are not all to the same scale .. i ran across this when i had them enlarged .. This is on my todo list from Bluecor

Really not... The front and top view are on same scale, the side view is larger, so I took most measures from top and front.

I printed the front-view enlarged to check the visual effect and liked a lot.

I am cleaning my modelling room to start it (need to fix my E-starter and link my Beech18 first), but will start it tonight probably.

Vyceroy · Jan 20, 2006, 11:42 AM

I will follow your build .. What material will you use to build it??

alexcmag · Jan 20, 2006, 01:39 PM

Quote:

Originally Posted by Vyceroy

I will follow your build .. What material will you use to build it??

EPS foam (white insulation foam), normally used on office air conditioning installations and electronics equipment packaging.

It is cheap, light, easy to cut with hot wire, easy to sando to any shape, and floats by itself, I use on most parts of my airplanes.

Vyceroy · Jan 20, 2006, 01:49 PM

used it many years ago .. everything i do now is 5-6 mm insulation foam

Good luck .. cant wait to see your finished plane..

carlosponti · Jan 20, 2006, 05:11 PM

cant wait to see it. i was tempted to build the same plane. i used to watch that show.

alexcmag · Jan 23, 2006, 05:39 PM

Here we go...

The hull is in advanced state, now I am sanding the corners to make a better fit and gluing all together with hot melt glue.

Vyceroy · Jan 23, 2006, 08:07 PM

Nice progress .. keep it coming ..

rkopka · Jan 24, 2006, 05:27 AM

See this:

http://people.freenet.de/punikaoase/...6349961f3.html

RK

alexcmag · Jan 24, 2006, 06:34 AM

Quote:

Originally Posted by rkopka

See this:

http://people.freenet.de/punikaoase/...6349961f3.html

RK

Thanks, very nice airplane.

I forgot to make the "rooftop" style deck in front of windshilds, to look an existent model is much better to make it then from comics.

The flat hull will make mine look like having a smaller nose. In the other way, it will stay horizontally in water without tip floats :P

I usually make some adjusts to avoid this effect, like decreasing the height, but in this case it os not possible, since the prop may touch the water...

alexcmag · Jan 25, 2006, 04:49 PM

New pictures from today...

Corrected the nose shape, glued all together but leaved hatches for internal access on front and over cabin.

This will provide me space to fit battery where needed to set CG and make entry points to fix-ups.

The fuselage will hold only the battery pack. Due to the twin tail boons, all servos will be fixed on wing, motors too, so the better place to receiver and ESC is on wing too...

Jan 19, 2006, 04:27 PM	#1
alexcmag Registered User Join Date: Aug 2004 Location: Sao Paulo, Brasil Posts: 511	Conwing L-16 (SeaDuck) Since my old CL215 crashed after a broken wing in flight and the MartinMars is too big for small lakes, I will start a new seaplane, probably at 60in wingspan. I like twins and never make a twin-boom twin, so looking for twins on net I found the Talespin airplane, a Conwing L-16 named "The SeaDuck". Last edited by alexcmag; Jan 20, 2006 at 11:08 AM.

Jan 19, 2006, 04:35 PM	#2
alexcmag Registered User Join Date: Aug 2004 Location: Sao Paulo, Brasil Posts: 511	3-views and color scheme Attached Thumbnails 120.7 KB · Views: 2941 17.9 KB · Views: 1743

Jan 19, 2006, 06:32 PM	#3
alexcmag Registered User Join Date: Aug 2004 Location: Sao Paulo, Brasil Posts: 511	Just decided the size... It will have 161cm wingspan (63in) Attached Thumbnails 105.3 KB · Views: 2211

Jan 20, 2006, 10:05 AM	#4
IWC Registered User Join Date: Feb 2003 Posts: 1,965	I will be watching with great interest. Thanks in advance for sharing your building skills. Last edited by IWC; Jan 20, 2006 at 10:47 AM.

Jan 23, 2006, 05:39 PM	#11
alexcmag Registered User Join Date: Aug 2004 Location: Sao Paulo, Brasil Posts: 511	Here we go... The hull is in advanced state, now I am sanding the corners to make a better fit and gluing all together with hot melt glue. Attached Thumbnails First I printed the front view to scale to have a general idea of how will it look like. I decided to make the hull flat-bottom. Me and my friends have a trauma with coanda effect on round hulls... 23.6 KB · Views: 794 Draw a side view copying the measures from drawing. I used a calculator to transform measures from paper to foam and draw it with a large soft felt tip pen. 14.9 KB · Views: 650 The lines were cut with a vertical hot wire cutter 23.8 KB · Views: 667 25.1 KB · Views: 524 And here is the drawing... 11.3 KB · Views: 624 Used the foam side wall as template to cut other side 12.4 KB · Views: 418 Measured bottom view from side view 15.6 KB · Views: 479 And draw it on foam 13.9 KB · Views: 496 Cutted one side of forward tip to make template to other 18.1 KB · Views: 465 And here is the bottom 14.8 KB · Views: 502 Make 3 internal walls... One on wing leading edge, one to the wing trailing edge, one right after the windshields 20.6 KB · Views: 432 Fixed all in place with tape to test the shapes 24.6 KB · Views: 534 Used the front of hull to make the template 19.9 KB · Views: 499 And here is the front 20.8 KB · Views: 484 Windshield... 18.6 KB · Views: 477 Used the fuselage back to make template to aft door. 14.6 KB · Views: 400 This is aft door on foam 22.2 KB · Views: 382 After cutted, I needed to reduce the width, so it can make a curve 24.4 KB · Views: 456 And here is the door 23.4 KB · Views: 457

Jan 20, 2006, 10:13 AM	#5
Vyceroy G G Ghost Pirates !!! Join Date: Dec 2001 Location: Charlotte N.C. Posts: 8,267	the 3 views are not all to the same scale .. i ran across this when i had them enlarged .. This is on my todo list from Bluecor

Jan 20, 2006, 11:42 AM	#7
Vyceroy G G Ghost Pirates !!! Join Date: Dec 2001 Location: Charlotte N.C. Posts: 8,267	I will follow your build .. What material will you use to build it??

Jan 20, 2006, 01:49 PM	#9
Vyceroy G G Ghost Pirates !!! Join Date: Dec 2001 Location: Charlotte N.C. Posts: 8,267	used it many years ago .. everything i do now is 5-6 mm insulation foam Good luck .. cant wait to see your finished plane..

Jan 20, 2006, 05:11 PM	#10
carlosponti Perpetual Hobbiest Join Date: Nov 2005 Location: Moore, Oklahoma Posts: 143	cant wait to see it. i was tempted to build the same plane. i used to watch that show.

Jan 23, 2006, 08:07 PM	#12
Vyceroy G G Ghost Pirates !!! Join Date: Dec 2001 Location: Charlotte N.C. Posts: 8,267	Nice progress .. keep it coming ..

Jan 24, 2006, 05:27 AM	#13
rkopka Electric only Join Date: Nov 2002 Location: Graz - Austria Posts: 134	See this: http://people.freenet.de/punikaoase/...6349961f3.html RK

Jan 25, 2006, 04:49 PM	#15
alexcmag Registered User Join Date: Aug 2004 Location: Sao Paulo, Brasil Posts: 511	New pictures from today... Corrected the nose shape, glued all together but leaved hatches for internal access on front and over cabin. This will provide me space to fit battery where needed to set CG and make entry points to fix-ups. The fuselage will hold only the battery pack. Due to the twin tail boons, all servos will be fixed on wing, motors too, so the better place to receiver and ESC is on wing too... Attached Thumbnails 56.2 KB · Views: 517 59.7 KB · Views: 400 54.5 KB · Views: 437 58.2 KB · Views: 413 55.6 KB · Views: 459

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