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Old Apr 08, 2009, 06:12 PM
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rcozstyle's Avatar
gawler, South Australia
Joined Jul 2006
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Brian Taylor 60 size Hawker Hurricane build thread

Hi

I have started to build a 60 size Hurricane and thought it might be worthwhile doing this thread, my goal is to convert this glow plan to electric, I have built a glow version which I never completed due to switching over (to the light side of the force).

It was sold to a friend who never completed it, hopefully now that I am building another one he will finish the old girl off, Of Course has this is a electric Hurricane I do not need to build it to compensate for the glow motor.

In that way I will be adjusting wood sizes and type of construction to make it lighter, I will attempt to build strength into my structure instead of using thick wood or ply.

I hope you find this interesting.

Thanks for reading my ramblings.

Gary
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Old Apr 08, 2009, 06:27 PM
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rcozstyle's Avatar
gawler, South Australia
Joined Jul 2006
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Hi

I have started the conversion of the Brian Taylor 60 size Hurricane to brushless. From the glow one I did before I made some templates of parts of the fuz so that where I am going to start, so, I started to construct the side plates to make the load bearing structure for the fuz.

The original side plates are made from 1/4 balsa and weigh 101 grams, So I wanted to improve on that and made 2 news ones from 1/8 balsa with 1/8 crossmembers/doublers which weigh 62 grams.

Saves 39 grams already.

Gary
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Old Apr 08, 2009, 06:39 PM
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stuart warne's Avatar
Hong Kong, Hong Kong Island, Central And Western District
Joined May 2001
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Keep it coming Gary, this looks like it will be an interesting build. We really do seem to be enjoying a good Hurricane season this year, they are all over the place ...and that's a great weight saving thus far. I know its a little early to ask but what electric set-up were you thinking of going with? Something like a 6s 5000, 110amp esc etc? Well look forward to seeing more.
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Old Apr 08, 2009, 07:02 PM
I eat glue
Canada, NS, Yarmouth
Joined Jul 2006
3,329 Posts
I have this plan and cowling/canopy set as well. Although it's good to save weight for electric, I thought when I did mine I would stick with the 1/4 wood up front, and really concentrate on aft of the cg to save weight. Just my opion but I figured it wouldn't hurt to have the strength up front, and to avoid having to add useless nose weight. Keep going though, some day I will do mine too. Right now will be working on a Tony Nijhuis Hurricane after I get a good start on the CD ScaleDesigns Fokker DVIII kit.
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Old Apr 09, 2009, 12:46 AM
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rcozstyle's Avatar
gawler, South Australia
Joined Jul 2006
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Quote:
Originally Posted by baldguy
I have this plan and cowling/canopy set as well. Although it's good to save weight for electric, I thought when I did mine I would stick with the 1/4 wood up front, and really concentrate on aft of the cg to save weight. Just my opion but I figured it wouldn't hurt to have the strength up front, and to avoid having to add useless nose weight. Keep going though, some day I will do mine too. Right now will be working on a Tony Nijhuis Hurricane after I get a good start on the CD ScaleDesigns Fokker DVIII kit.
I can blow you away with a way to save weight at the back, just wait and see. Thats why I am saving weight in the front as well.

lol Gary
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Old Apr 09, 2009, 05:49 AM
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gawler, South Australia
Joined Jul 2006
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Hi

Starting cut the fuselage formers now.
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Old Apr 09, 2009, 06:26 AM
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rcozstyle's Avatar
gawler, South Australia
Joined Jul 2006
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Hi Stuart

I am thinking 5-6s 4900-5000mah, was thinking of this esc, http://www.hobbycity.com/hobbycity/s...12S_BESC_(Ver4)
or

http://www.hobbycity.com/hobbycity/s..._Brushless_ESC

I have 2 motors to choose from,
e-pro OR4560-12
Lipo: 5-7 LiPoly Cells
KV: 473rpm/V
Internal Resistance: 18.5 m ohm
Max eff: 81-84%
Weight:362 grams
Rec model weight: 2.5-4 kgs
Rec Prop: 13x8 -14x10
Esc: 90 hv

or a front mount axi 4120-18

SPECS: No. of Cells: 16 - 20 max NiMH/NiCd, 5-7 LiPo
RPM/V: 515
Max Efficiency: 86%
Max Efficiency Current: 15 - 40A (>82%)
No Load Current/10V: 1.5a
Current Capacity: 55A/60s
Internal Resistance: 70 mohm
Can Diameter: 2" (49.8mm)
Length: 2.2" (55.5mm)
Shaft Diameter: 0.24" (6mm)
Weight with Wires: 11.3oz (320g)
Recommended Model Weight: 4.4lb (2000g) - 8.1lb (4000g)


Gary
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Old Apr 09, 2009, 07:20 AM
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Martin Irvine's Avatar
Canada, ON, Kingston
Joined Aug 2000
2,010 Posts
Do a search for Dave Grife's 70" Taylor Hurricane from years ago, (maybe on the "AMPEER" site). I think it started life with an Astro 40 with a superbox and 22 X 2400 cells. He built it according to the plan without much lightening and even with nicads the weight was reasonable. Seems to me that it has a brushless 40 geared and a 6S pack now. Perhaps he'll chime in as I know he drops by the forums from time to time.

Martin
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Old Apr 09, 2009, 07:35 AM
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lake flyer's Avatar
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I will be watching with interest , I have always been a Hurricane fan .
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Old Apr 09, 2009, 09:29 AM
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Foamenator's Avatar
Northern Nevada
Joined Mar 2007
1,581 Posts
deleted brain fade.....
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Old Apr 09, 2009, 11:03 AM
No such thing as overpowered
Wilit run? 353's Avatar
Suffolk, England
Joined Sep 2008
1,793 Posts
Im gonna keep watch of this. I like the brian taylor series and just might make the spitfire
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Old Apr 09, 2009, 04:51 PM
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Dave Grife's Avatar
Coldwater, Mi. USA
Joined Jul 2000
808 Posts
Hi Gary,

I did this same project in 1992, as an electric from the start, with retracts. no flaps. ...... but I wish that I tried them. But it was more difficult back then with weight and power.

The plane will handle great if you keep around it 10 lbs. or less.

Mine started @ 10.5 pounds w/ 3lbs of battery back then and a 2lb. motor @ 800 watts.

Now, with the technology improvements it weighs @ 8lbs @ 1000 watts +.

Depending on what your finishing technique will weigh, you may be able to follow the plan to a large degree and skip really heavy vibration reinforcement.


I wish that I had a constuction link or something but we didn't link much back then.

-DG

P.S. Hi Martin, hope to see ya this summer !
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Old Apr 09, 2009, 06:41 PM
Trampling out the vintage
Joined Feb 2002
1,892 Posts
I have the plans for this model and it is on my long term build list. It should make a fine electric and I'll look forward to following this build.

A good thread by our British friends at http://www.rcmf.co.uk/4um/index.php/topic,28913.0.html

IMO the 4120 AXI series is a bit underpowered for this model. Also I think battery access and perhaps CG will be a bit challenging due to the relatively short nose.

Have you decided on your approach re: the landing gear? Will you be building it with flaps per the plan?

Good luck and have fun with this build!
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