Spitfire 72" Depron foam, she's flown, plus a video. - Page 2 - RC Groups
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Feb 29, 2012, 10:55 PM
Redacted per NSA "suggestion"
dedStik's Avatar
Any thoughts on releasing a blueprint? I'd be more than interested. I've built balsa but nothing like this. Are all your parts hand cut?
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Feb 29, 2012, 11:04 PM
Registered User
was this from a Brian Taylor plan?
did you cover it with fiberglass cloth?
your model flies so nice, looks great too.
Mar 01, 2012, 05:48 AM
An itch?. Scratch build.
eflightray's Avatar

To answer a few questions -


Mine was based on the free plan issued with RCM&E magazine Autumn Special edition, 2010. The plan is by Tony Nijhuis, a prolific designer and builder, and still available along with a CNC cut balsa kit, plus the canopy, cowl, and exhaust stack moldings if required.

I used the basics of the plan to design my own structure using Depron foam, there is no Depron plan, I just made it up as I went along. Admittedly that, '..made it up....', was based on many years of model building and a good plan to start with.

Here's a link to the magazine's plan service, (no longer free), - http://www.myhobbystore.co.uk/produc...7-spitfire-mk5

and a link to the Tony Nijhuis web site - http://www.tonynijhuisdesigns.co.uk/
Mar 01, 2012, 09:28 AM
Redacted per NSA "suggestion"
dedStik's Avatar
That's gorgeous I just don't have enough build experience under my belt to attempt a wood to foam conversion like that.

Can't wait to see what else you build.
Mar 01, 2012, 03:39 PM
Foam Av8r
RogueTitan's Avatar
Quote:
Originally Posted by eflightray
Mine was based on the free plan issued with RCM&E magazine Autumn Special edition, 2010. The plan is by Tony Nijhuis, a prolific designer and builder, and still available along with a CNC cut balsa kit, plus the canopy, cowl, and exhaust stack moldings if required.

I used the basics of the plan to design my own structure using Depron foam, there is no Depron plan, I just made it up as I went along. Admittedly that, '..made it up....', was based on many years of model building and a good plan to start with.

Here's a link to the magazine's plan service, (no longer free), - http://www.myhobbystore.co.uk/produc...7-spitfire-mk5

and a link to the Tony Nijhuis web site - http://www.tonynijhuisdesigns.co.uk/
I actually have a copy of tonys spitfire plans and have wanted to build it for some time now.
Mar 02, 2012, 06:26 AM
An itch?. Scratch build.
eflightray's Avatar

I am Mister Cool.........


......because if I wasn't, the air would be blue, (from rude words), I would have torn all my hair out, (what's left of it), and there would be a pile of Depron in the waste bin.

Why ?

As mentioned before, I had a wheel swivel about, '..then forgot to put flats on the leg for the axle shaft screw. Doh!'.

And the saga begins.......

Mark the leg to put the flat in the correct place.
Grind a flat on the leg.
Replace axle and tighten the screw.
Check for wobble. IT STILL DOES.
Tighten screw even more. STILL WOBBLES.
ARRRGG!. It's the leg itself turning slightly in the retract.
Keeps my cool
Removes servo the get at linkage, disconnects linkage, removes retract.
There is a screw inside the pivot the locks the the leg in place, it's loose.
Tighten screw, replace retract, connect link, replace servo, check the wheel clears the wheel well.
The other wheel just scrapes a little, so adjust axle slightly.
The axle wobbles a bit.
Check. Yes the other leg moves slightly in the other retract.
So,.....yes you guest...................
Right axle back on, axle back on align wheel, it moves on the leg.
The pinch screw is not tightening.

Ok I'll cut this story short.
I eventually found a better fitting pinch screw and it all works again.

The plane is still in one piece, the police were not called because of any swearing, I did keep my COOL.

I just wish this straight jacket was a nicer fit...........
Last edited by eflightray; Mar 02, 2012 at 07:19 AM.
Mar 02, 2012, 08:13 AM
Matt Mabry
Pickle72's Avatar
Quote:
I just wish this straight jacket was a nicer fit...........
They say one size fits all?

Well I am glad you are getting it sorted out.
Good luck
Matt
Mar 02, 2012, 08:24 AM
Registered User
Nice job!!
Mar 02, 2012, 08:25 AM
Rhys - Forever Learning
Excellent Ray! Looks just as good as a similar sized balsa constructed Spitfire I've seen! You're building skills are simply superb
I'll keep an eye out for it whizzing around the skies down here in Sunny S.Wales
Mar 04, 2012, 04:11 AM
Registered User
how much's Avatar
Ray you really are the grande master of depron..

your Spitfire is fantastic... well done (again)

david
Mar 04, 2012, 05:09 AM
Reap the wild wind
headlessagain's Avatar
I know Ray has posted his MIG on one of Pontious's thread's and if you like large depron model from a later era then have a look at these from Pontious
https://www.rcgroups.com/forums/show...&postcount=225
http://www.youtube.com/watch?feature...&v=A2H3iOX44ts
https://www.rcgroups.com/forums/show....php?t=1175767

He's part way through building a Supermarine Scimitar.
Andy
Last edited by headlessagain; Mar 04, 2012 at 09:25 AM.
Mar 04, 2012, 08:02 AM
Erik with a K
tvcasualty's Avatar
Great work! Especially on the finish details like the guns! Very clean!
Mar 04, 2012, 01:59 PM
An itch?. Scratch build.
eflightray's Avatar
Quote:
Originally Posted by headlessagain
I know Ray has posted his MIG on one of Pontious's thread's and if you like large depron model from a later era then have a look at these from Pontious
https://www.rcgroups.com/forums/show...&postcount=225
http://www.youtube.com/watch?feature...&v=A2H3iOX44ts
https://www.rcgroups.com/forums/show....php?t=1175767

He's part way through building a Supermarine Scimitar.
Andy
Agreed, 'Pontious' is a true master, I'm still a scratch builder, leaning as I go along, and just willing to have ago at various things.
Mar 22, 2012, 09:09 AM
An itch?. Scratch build.
eflightray's Avatar
Here's another video of her flying. The retracts now work fine, nice and slow, (can't see it on the video, but take my word they did look good). Also did a little aerobatics.

Sorry the video of poor quality, it was a rather dull day and quite windy, (it look off in about three feet), the wind and gusts are also the reason for one of my, "arrg!, get down you devil...", landings. (Another one ? ).

Spitfire2.wmv (3 min 16 sec)
Mar 22, 2012, 09:15 AM
Rhys - Forever Learning
She looks lovely eflite! Really lovely... hard to believe she's made from Depron.


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