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Penrose Pegasus

Let us all watch your new project progress.
Adam C
Posts: 6
Joined: 30 Apr 2021, 14:24
Location: Hampshire

Penrose Pegasus

Post by Adam C »

Hi,

Currently compiling stock and material to begin the build of the Penrose Pegasus. 136 inch span, 3rd scale floater by Harold Penrose.

The design is as british as it comes , wood , light and with a distinct 'made in a shed' design feel. I like it.

Laser cut parts from Sarik although I confess a lot was missing and Im waiting to get those bits provided.

I welcome any photos or past build experience on this one if available before I begin . Ill do my best with a build log here.

Adam
john greenfield
Posts: 583
Joined: 18 Mar 2015, 07:52
Contact:

Re: Penrose Pegasus

Post by john greenfield »

Hi Adam

The Pegasus makes a great model. See the attached link for our 1/2 scale version.
http://www.ghostsquadron.co.uk/penrose_pegasus.html
It is a very manouverable model that also thermals surprisingly well.
I think you will enjoy your 1/3rd scale version

AEB
AEB = Aeronautical Energiser Bunny (with thanks to CW)
Adam C
Posts: 6
Joined: 30 Apr 2021, 14:24
Location: Hampshire

Re: Penrose Pegasus

Post by Adam C »

John,

Thanks I had seen your pages and they have proved useful. So far Im waiting for my missing parts but slowly creating a parts bin of components.

Laminated parts, fittings pre drilled etc etc. F1 recut as I plan to fit a hidden 3 cell lipo and motor . Tiny 500w unit for a 3rd scale... Works a treat on my vintage floaters assuming an AUW of 10 llbs.

I have a relatively small workbench so need to look ahead, cut all my parts and then build as I dont have enough room to do anything long or bulky.

Need to have a go at steaming the fuselage longerons ...
Adam C
Posts: 6
Joined: 30 Apr 2021, 14:24
Location: Hampshire

Re: Penrose Pegasus

Post by Adam C »

OK some pics needed.

Started doing loads of laminating ribs, skid parts and making the many fittings required for the struts and all flying tail.

Rudder done and tail just requiring hinge point and front sheeting. Very light construction. 60g rudder and 90 for tail. Quite a lot of care needed to avoid warping. Covering is going to pay its part.

Rudder outline is laminated 1/8th by 1/16th spruce.

Missing parts from sarik arrived, cad work isn't very good and I've recut many of the parts myself. Doesn't help the plan has quite thick pen lines enough to make many small parts well out.
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