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GB 5 cc - 12/20/2012 4:13 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
Last Login: 5/18/2013
From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Replica of the first engine made by Gordon Burford in 1947

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RE: GB 5 cc - 12/20/2012 6:02 AM   
steve111


 

Posts: 274
Joined: 4/30/2007
Last Login: 5/18/2013
From: Wollongong, AUSTRALIA
Status: offline 		Nice one, Fiery. Have you run it yet?

Here's a photo of Dave Owen's own one, in an R/C oldtimer model (forget what it's called - Challenger?). Also a snippet of it flying: - http://www.youtube.com/watch?v=o2JZ8dS-WTs&feature=youtube_gdata_player
The prop is something like a 14x6, and the engine runs very well indeed.

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RE: GB 5 cc - 12/20/2012 6:34 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
Last Login: 5/18/2013
From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Steve

It is Serial No. 33 and is pristine. It has not been run since leaving David's workshop.

Whether to use it for it's intended purpose, or just leave it as is, is something I am not yet decided upon.

I am not a collector. I like to use (or at least run) the engines I have, but this one grabs me as being really special.

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RE: GB 5 cc - 12/20/2012 6:39 AM   
ffkiwi


 

Posts: 1189
Joined: 7/25/2005
Last Login: 5/18/2013
From: Upper HuttWellington, NEW ZEALAND
Status: offline 		Fire it up-they're just like a big Mills..........haven't run mine for about a decade-but will get around to putting it in something suitable next year I hope.

ChrisM
'ffkiwi'

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RE: GB 5 cc - 12/20/2012 7:02 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
Last Login: 5/18/2013
From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Chris

Is yours one of the first batch, or one of the second batch with added small ventral web as shown in the photograph below?:

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RE: GB 5 cc - 12/20/2012 7:44 AM   
ffkiwi


 

Posts: 1189
Joined: 7/25/2005
Last Login: 5/18/2013
From: Upper HuttWellington, NEW ZEALAND
Status: offline 		Mine must be first batch then-no ventral web. Number on box is 069.

ChrisM
'ffkiwi'

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RE: GB 5 cc - 12/20/2012 2:54 PM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
Last Login: 5/18/2013
From: Downers Grove, IL, USA
Status: offline 		I have flown my GB using R/C in full size Playboy Cabin and this year in an Airborn 810 sq. in. wing area. A nice engine easy to start and adjust. Gordon and Dave did a great job on this reproduction. Jack

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RE: GB 5 cc - 12/20/2012 3:02 PM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
Last Login: 5/18/2013
From: Downers Grove, IL, USA
Status: offline 		GB, Uniflow fuel tank and special motor mount. Jack

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RE: GB 5 cc - 12/20/2012 4:04 PM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
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From: Downers Grove, IL, USA
Status: offline 		GB and 810 sq. in. Lanzo Airborn. Jack

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RE: GB 5 cc - 12/20/2012 9:27 PM   
Recycled Flyer


 

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From: SydneyNew South wales, AUSTRALIA
Status: offline
quote:

ORIGINAL: j.hiner@comcast.net

GB and 810 sq. in. Lanzo Airborn. Jack


Nice model and simply wonderful grass on that field behind you Jack!



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RE: GB 5 cc - 12/21/2012 12:37 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
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From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Beautiful Lanzo. What is the covering?

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RE: GB 5 cc - 12/21/2012 3:10 PM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
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From: Downers Grove, IL, USA
Status: offline 		Covering is transparent orange MonoKote. Black on the wing bottom. Jack

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RE: GB 5 cc - 12/22/2012 2:22 AM   
j.hiner@comcast.net


 

Posts: 408
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From: Downers Grove, IL, USA
Status: offline 		GB on test stand. Jack

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RE: GB 5 cc - 1/7/2013 6:27 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
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From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Historical and constructional notes.

GB 5 cc engines are no longer available for purchase from the manufacturer.



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RE: GB 5 cc - 1/7/2013 2:45 PM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
Last Login: 5/18/2013
From: Downers Grove, IL, USA
Status: offline 		Here is where I first learned about the GB and had to have one. Jack

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RE: GB 5 cc - 1/10/2013 9:21 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
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From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Thanks Jack.

What propeller do you fly yours with?

I am thinking a 12 x 6 wood or composite.



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RE: GB 5 cc - 1/10/2013 5:59 PM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
Last Login: 5/18/2013
From: Downers Grove, IL, USA
Status: offline 		Fiery, with the Playboy Cabin at 800 sq. in. wing area I used Graupner Cam carbon fiber 12.5/6 and an APC 13/7 sport prop. With the Airbron 810 sq. in. wing area started with the APC 13/7. Last Summer I flew the Airborn in Texaco event at two SAM contests. Restricted the intake and used a Pro Zinger 15/4 wood prop. With the APC 13/7 and restricted intake climbed too fast so I had to shut down the motor before the fuel wa all used up or would go out og sight. Not a good airplane and motor combo for Texaco but wanted to fly the GB in a couple SAM contests. The GB would need a smaller model for limited engine run event. A larger model would do better for Texaco. Just flew what I had those two days. Mostly I use the GB for sport flying. Jack

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RE: GB 5 cc - 1/11/2013 1:08 AM   
Dan Vincent


 

Posts: 1207
Joined: 7/13/2003
Last Login: 5/18/2013
From: Sanford, FL, USA
Status: offline 		Many years ago I saw a picture of a GB Sabre 150 in a model magazine. It looked like a cross of an Elfin 1.5 with an Atwood Wasp tank.

I heard rumors of a modern repro a while back but I don't think it ever happened.

Does anyone have an update on this one?

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RE: GB 5 cc - 1/11/2013 2:26 AM   
j.hiner@comcast.net


 

Posts: 408
Joined: 7/26/2003
Last Login: 5/18/2013
From: Downers Grove, IL, USA
Status: offline 		Dan, Sabre 150 per David Owen. Dave examined one of the few made some years ago and drew up a basic plan, with a view of making a replica. One of Gordon's early associates in Adelaide, Mel Sharpe lent Dave an original unmachined crankcase casting but Dave lost it somewhere in the workshop and thinks it got thrown out by mistake. So Dave did not proceed with a replica. Dave says who knows he may resurrect the project one day. Dave sure does build nice engines. Jack

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RE: GB 5 cc - 1/11/2013 2:36 AM   
fiery


 

Posts: 2279
Joined: 2/2/2002
Last Login: 5/18/2013
From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		For those who wish they could obtain a Sabre, or early Taipan, there may be some good news this year. I can't say any more at this time.



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RE: GB 5 cc - 1/11/2013 3:48 AM   
Dan Vincent


 

Posts: 1207
Joined: 7/13/2003
Last Login: 5/18/2013
From: Sanford, FL, USA
Status: offline 		A Sabre would be nice. I'm sure a lot of collectors would be interested in that one. Might even get Stan Pilgrim interested.

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RE: GB 5 cc - 1/11/2013 4:48 AM   
PWF63


 

Posts: 94
Joined: 10/26/2012
Last Login: 5/15/2013
From: Boambee EastNew South Wales, AUSTRALIA
Status: offline
quote:

ORIGINAL: Dan Vincent

A Sabre would be nice. I'm sure a lot of collectors would be interested in that one. Might even get Stan Pilgrim interested.


I don't think you get Stan inserested  Dan. He's been of ill health of late  and to my knowledge Stan hasn't touched an engine  or anyhing else for for quite a while now.
But then again, stranger things have happened.

Fredo



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RE: GB 5 cc - 2/4/2013 11:49 PM   
avalonnovi


 

Posts: 28
Joined: 3/20/2010
Last Login: 4/23/2013
From: Dunedin, NEW ZEALAND
Status: offline

GB 5 cc (No. 104) sold on eBay (111005172039) yesterday for $405. It is probably a fair price for a brand new GB 5.

I don't know what they cost new but, if corrected for inflation, it might have been about the same in real terms.

I think that Peter Burford sells his little engine for a realistic price and the David Owen GB 5 is probably worth about the same.

Long live Australia's precision engineers! 

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RE: GB 5 cc - 2/5/2013 12:05 AM   
ffkiwi


 

Posts: 1189
Joined: 7/25/2005
Last Login: 5/18/2013
From: Upper HuttWellington, NEW ZEALAND
Status: offline 		One guy obviously wanted it badly-to put in 18 bids (he still didn't win it!). You're probably right about the price being about what you'd expect after adjustment for inflation over a decade. I think I paid A$280 when I bought mine from David Owen. Given that the A$ is about on par with the US$ that's about 5% appreciation per year over a 10 year period..........

ChrisM
'ffkiwi' (still hanging on to his GB50and still hoping for a David Owen 2.8 one day)

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RE: GB 5 cc - 2/5/2013 12:26 AM   
avalonnovi


 

Posts: 28
Joined: 3/20/2010
Last Login: 4/23/2013
From: Dunedin, NEW ZEALAND
Status: offline

"One guy obviously wanted it badly-to put in 18 bids (he still didn't win it!)."

How about the guy who bought it with a winning first bid?

Actually it was me, I just wanted someone else to agree that it was a fair price; it not everyday that I buy an engine like the GB 5!

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