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Author Topic: Show Your Newest Creation  (Read 134484 times)
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Russ Lister
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« Reply #1650 on: March 03, 2021, 01:14:23 PM »

It looks light so far ... nice delicate tailplane
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billdennis747
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« Reply #1651 on: March 03, 2021, 01:19:50 PM »

Is this from the Elsegood(?) plan?
Originally yes, but it isn't a very good plan so there are structural changes, as well as to the shapes.
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Squirrelnet
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« Reply #1652 on: March 03, 2021, 01:22:50 PM »

Blimey that was quick . It feels like you only asked for drawings yesterday !!!
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billdennis747
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« Reply #1653 on: March 03, 2021, 01:39:26 PM »

Blimey that was quick . It feels like you only asked for drawings yesterday !!!
As you know, Chris, this is the easy bit! I now have to make 8 struts and 20 strut fairings. Redfin 0.5
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vintagemike
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« Reply #1654 on: March 04, 2021, 05:35:42 AM »

That is quick! wish I could build that fast. I noticed the forward fuselage has changed from a sheet structure to built up.  The plan calls for a sheet forward fuse which is thinner than the built up structure behind it! how does that work? When you said you had changed the wing ribs from the 1/32" strip top and bottom over deep spars I did briefly wonder whether this could be a candidate for an enlarged Rees type wing as favoured by Mike Stuart in his rubber models, would this be practical at this sort of size and weight?
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billdennis747
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« Reply #1655 on: March 04, 2021, 05:54:10 AM »

Mike, the only structure I haven't changed is the fin/rudder. I just went to normal ribs. I'm not sure how the Rees would be built with the undercamber  I introduced. But mainly I don't really like sliced ribs on a diesel model - great for rubber but you don't have to rub down a rubber model to clean fuel off it. Too crushable. I like cutting ribs anyway!
So far it's 6oz
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CTRC
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« Reply #1656 on: March 05, 2021, 09:58:35 AM »

My latest build.
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Russ Lister
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« Reply #1657 on: March 05, 2021, 11:51:21 AM »

Nice build  Smiley
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OZPAF
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« Reply #1658 on: March 05, 2021, 07:15:27 PM »

What a neat looking model - nice covering effort.

John

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Starduster
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« Reply #1659 on: March 06, 2021, 02:50:11 PM »

This is my latest: A Satellite 450 GLH for AMA Electric 'A' (and 'B'). I did stretch the center section by 4 inches, so it's more like a "550" then a 450 (that's why the decal says "450+) It has a Cobra C-2213/12 Brushless Motor, Kv=2000, running on 3 cells, turning a APC 7X4 with a Dan Kennedy timer. Flown it several times, and it looks really good. Nice spiral climb to the right, great transition to the left glide.
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billdennis747
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« Reply #1660 on: March 06, 2021, 02:56:55 PM »

That looks really nice. I don't speak electric - if it was an engine, what would it be?
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Starduster
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« Reply #1661 on: March 06, 2021, 04:06:23 PM »

That looks really nice. I don't speak electric - if it was an engine, what would it be?

.15 - .21 (I don't speak metric)

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kaintuck
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« Reply #1662 on: March 07, 2021, 10:02:10 AM »

Fred almost done....needs shocks and final colors added...sad thing is, I can't find a battery in my stock to get a higher rpm for the direct drive motor..... Tongue
Maybe a hanger queen.....
https://ibb.co/d4VtwGT
Marc
Show Your Newest Creation
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OZPAF
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« Reply #1663 on: March 07, 2021, 11:50:16 PM »

Lovely little Satellite SD.

Your Pnut Fred looks neat  K.

John
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kaintuck
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« Reply #1664 on: March 08, 2021, 09:14:20 AM »

She needs more details...small amount of painting, the Volkswagen engine, line out control surfaces....lastly, those flying wires.... Grin
https://ibb.co/fMNLvWz
Marc
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Jack Plane
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« Reply #1665 on: March 12, 2021, 04:59:51 AM »

Jim Mollison's DH80A Puss Moth The Heart's Content.

Peanut Scale... my first own-design model aeroplane  Smiley

One or two very minor design/making flaws, but nothing serious.

Destined for indoors, but safely maidened outdoors, here the best two flights from my first outdoor trimming sessions.

First on half max turns:

https://photos.app.goo.gl/kKibHtdaCbXSuGxQA

Realised after that flight that it needed 0.5g more noseweight (now total 11.0g flying) so on 80% of max turns of 080 rubber (3x peg to hook) this was the result:

https://photos.app.goo.gl/euF9yTb9oT6nwnQn8

The stalling towards the end of the flight was due to rubber bunching in the rear and upsetting the CG side of things.

For indoors will switch to a slightly thinner (063 or 070) and shorter (say 2.5x) motor, possibly a bit more pitch to the prop, etc.

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billdennis747
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« Reply #1666 on: March 12, 2021, 05:13:51 AM »

If that's your first OD model, it's remarkable. The Puss Moth is frequently sinned-against but it looks great - correct shapes. flat wing. thick LE. I feel like doing another one. And it flies very nicely too.
But what's that piece of timber on the wing? And the hole?? Was it pecked by something?
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Jack Plane
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« Reply #1667 on: March 12, 2021, 05:36:01 AM »

Thanks Bill, really appreciate the feedback... as you ARE in fact Mr Puss Moth himself!

Reason for the timber:  having built with 1/16 wash-in on the inside wing and 1/16 wash-out on the outer, together a generous amount of wing incidence (because I was worried there might not be enough!), this resulted in a consistent tendency for the inner wing to stall and drop!  The only solution available in the field was to glue a small gurney to the upper TE to oppose and cancel the wash-in, which worked well enough.  Later I reduced the gurney thickness and the stall problem promptly returned!  For a less arboricultural look, I will have a go at removing the gurney altogether and try to steam and bully the wing flat at my modelling table...!

The 'inspection hole' in the cowling:  simply a result of a bad landing wherein the nose-block was knocked downwards shoving the S-hook upwards and punching through the 1/32 sheeting!  The upper inside of the cowling had in fact started off with a more robust structure, but early problems with the rubber bunching and jamming in the tiny space had seen me spend a pleasant hour or so back home with miniature engineering files and cut-down nail files etc to 'smoothen' the space... possibly too much!

Rest assured that all will be made good before the dear little moth is inspected too closely at any given indoor event...
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Kevin M
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« Reply #1668 on: March 12, 2021, 05:59:20 AM »

Congratulations, brave to start your designing career with a peanut. Great result.
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Squirrelnet
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« Reply #1669 on: March 12, 2021, 06:25:45 AM »

Great Puss Moth Jon , looks like a really design and another cracking flyer how do you do it?
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RalphS
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« Reply #1670 on: March 12, 2021, 06:29:02 AM »

Looking good.  A decent thermal will have it up and away.
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TheLurker
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« Reply #1671 on: March 12, 2021, 09:22:06 AM »

It's been well worth the wait Herr Baron.  Any chance that it will be on show at Trinity in late April?
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Pete Fardell
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« Reply #1672 on: March 12, 2021, 10:40:37 AM »

That’s one very lovely little model, Jon! Graceful and elegant as any de Havilland should be.

(It’s appeared as if by magic too, as the last we heard you were beavering away building a full size boat, and Project Puss Moth was merely loitering on the back burner.)
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Jack Plane
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« Reply #1673 on: March 12, 2021, 02:11:25 PM »

Thanks so much chaps for the kind words.

Re Trinity in April:  yes Lurk, I very much hope so!... if we're allowed to play indoors by then that is!

Re quietly beavering away when I was supposed to be boatbuilding:  after several months of very focussed work I got to a stage where the hull was complete save for the final internal fit-out bits and loads of two-pack epoxy-based painting, sanding, painting again and varnishing, but I was beginning to get a bit stir-crazy and totally missing aero-modelling!  So took the opportunity to spend a couple of weeks completing the Puss Moth - which I'd in fact originally started late in 2019.

I'm also keen to get my Elf made and a warbird for Dime Scale, and then move promptly onto my first diesel FF scale model (either a Bristol Scout or SE5A) , but I'm being disciplined about finishing all existing projects first, which means that I've now started the penultimate stages (i.e. building the wings) of a Gangster 63 Lite, a 63" IC powered radio-controlled aerobatic model as punishment for my multitude of previous-life sins.

 Grin

PS, yes Ralph I almost became worried that the Puss Moth would be carried away in a thermal in the second video!  That's the problem with outdoor trimming: one has to wait until the air goes from downdraught gusty to nice and still - i.e. an actual thermal - before launching!  Shocked
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Russ Lister
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« Reply #1674 on: March 12, 2021, 02:20:33 PM »

Lovely little model, Jon .... and nice commentary too.
All I can manage is heavy breathing!
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