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Sep 10, 2019, 03:29 PM
San Diego California
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Build Log

Wren MW-54 Turbo Shaft Helicopter


First of all, please forgive me in advance this will take long time and possibly won't be completed perfectly.
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Sep 11, 2019, 04:52 PM
San Diego California
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Heat induction


Fresh cool air comes in from front and cooling fan push it to downward (my wishful plan).
I also attached the bracket up side down so that there is no contact part to the upper heat shield plate.
Last edited by Old NEET; Sep 12, 2019 at 07:03 AM.
Sep 13, 2019, 06:39 AM
San Diego California
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Small fuel tank for 5 minutes flight


The flight time is sacrificed in order to make this chopper flyable with 700mm blades.
JR DS8711 servos are still good looking on this chopper too.
Last edited by Old NEET; Sep 15, 2019 at 05:25 AM.
Sep 16, 2019, 09:07 AM
San Diego California
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22mm tail pipe with torque tube


22mm diameter tail is used and I have some parts for it too.
Last edited by Old NEET; Sep 26, 2019 at 06:56 AM.
Sep 21, 2019, 06:50 PM
Registered User
Looks like an interesting project indeed.
Sep 24, 2019, 02:56 PM
San Diego California
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Quote:
Originally Posted by GyroMan
Looks like an interesting project indeed.
Thank you. My plan is building 700 class chopper with Wren-54 because I felt the power unit wasn't strong enough for 800 blades ( Bergen Intrepid ). Target flight duration is 5 minutes + but I would like to see her energetic climb.
Last edited by Old NEET; Sep 25, 2019 at 05:08 AM.


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