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Post by mit on May 30, 2019 14:17:27 GMT 12
While on a complete unrelated matter I came across a curious thing, on the CAA website they list Tigermoths in four separate lots, three as "De Havilland DH 82A Tiger Moth" with 18, 9 and 3 aircraft in each title but the fourth lot are listed as "De Havilland Thruxton Jackaroo modified DH 82A" of which there are 22 aircraft register as. Now with a wee bit of google I discovered a Thruxton Jackaroo is a widen Tiger with 4 seats which could be converted in-field to ag planes, which stands to reason why these NZ ones could be Jackaroo's however I have never seen one with 4 seats. The other missing link Thruxton only built 19 Jackaroo's finishing conversions in 1960 in England Any ideas? A bit of Jackaroo history 1000aircraftphotos.com/Contributions/SmithRon/10440.htm |
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Post by ZacYates on May 30, 2019 14:42:28 GMT 12
I can only guess that they're ex-Jackaroos converted back to Tigers but, as you say, the numbers just don't add up! I'm really scratching my head and I may have seen photos of one or two in NZ from the 50s, but that number makes me think it has to be some other kind of Thruxton mod...
Anyone in touch with Janic Geelen?
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Post by madmax on May 30, 2019 15:30:16 GMT 12
The Thruxton Jackaroo was a modified Tiger Moth with widened fuselage and enclosed cockpit which seated four. Nineteen or twenty were converted by Thruxton Aircraft Ltd, Thruxton airfield betweeen 1957 and 1959. One was modified for agricultural spraying by Rollason Aircraft but with no interest in it was converted back to a four seater.
Several Jackaroos found their way to Australia but none to NZ
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Post by Brett on May 30, 2019 16:47:59 GMT 12
Those numbers seem to line up with UK-built Tigers vs NZ built Tigers.
Were the UK-built Tigers purchased through Thruxton, or were Thruxton the certifying or shipping agents, or something similar?
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Post by dakman on May 30, 2019 17:19:08 GMT 12
A Thruxton Jackaroo is undergoing rebuild in Tauranga.
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Post by madmax on May 30, 2019 17:53:27 GMT 12
Hi Brett, Yes its possible that a number of former ex RAF Tigers imported during the early '50s when the RNZAF supply dwindled were converted to civilian status by Thruxtons. I recall that others arriving here in the 50s had been converted by Rollaston Aircraft. Regrettably I'm unable to access my records to give exact figures as I'm away from home at present.
Dakman, Yes you are correct, I completely forgot about the Tauranga Jackaroo. Imported by John Pheasant, if I recall correctly.
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Naki.
Flying Officer
Posts: 65
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Post by Naki. on May 30, 2019 18:01:56 GMT 12
A Thruxton Jackaroo is undergoing rebuild in Tauranga. Yes I’ve seen it recently. It’s progressing well |
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Post by planecrazy4 on May 30, 2019 19:28:26 GMT 12
I would guess it's a clerical error by CAA it would not be and easy or cost effective task to convert a jackaroo back to a standard tiger.
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Post by rossbrodie on May 30, 2019 19:46:49 GMT 12
I just had a look on the CAA website and it looks like they've gone and cocked up their records as none of the NZ Tigers has been Jackaroo's until John Pheasant recently imported his project.
The Tigers on the register have always been split up depending on where they were built and it looks like CAA have now mislabeled the all of the UK built ones as Jackaroos.
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Post by planewriting on May 31, 2019 8:57:56 GMT 12
I have today emailed CAA and attached a list of the 22 aircraft involved. I'm sure that it will be resolved one way or another by CAA after Queen Birthday. Accordingly, I suggest that no further emails be sent to CAA on this matter.
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Post by mit on Dec 23, 2019 13:23:13 GMT 12
I have today emailed CAA and attached a list of the 22 aircraft involved. I'm sure that it will be resolved one way or another by CAA after Queen Birthday. Accordingly, I suggest that no further emails be sent to CAA on this matter. Did they ever get back to you? |
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Post by planewriting on Dec 23, 2019 17:15:38 GMT 12
I have today emailed CAA and attached a list of the 22 aircraft involved. I'm sure that it will be resolved one way or another by CAA after Queen Birthday. Accordingly, I suggest that no further emails be sent to CAA on this matter. Did they ever get back to you? Yes and they sorted it out within a few days. |
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Post by Peter Lewis on Dec 23, 2019 17:37:03 GMT 12
I flew in a Jackaroo years ago down the Melbourne coast. A most interesting experience. Due to the higher aircraft weight kept aloft by standard Tiger Moth wings they would only fly it early mornings or late afternoons when the air density was greater than in the heat of the day.
The aircraft was VH-KRK.
Since that time, this aircraft has now returned to the UK.
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Post by steveh on Jan 3, 2020 21:33:32 GMT 12
Interesting that Peter. The Foxmoth flew with the same engine, wings, tail etc as the Tiger Moth & therefore Jackeroo. I wonder is that modern caution coming to the fore, though I believe the Fox moth did drive some lift from its wider flat fuselage bottom?
Steve.
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Post by Peter Lewis on Jan 6, 2020 22:21:20 GMT 12
Looking at data from Jackson, it would seem that the Fox was a more capable machine than the Jackaroo.
Empty weight - Fox 1100lb, Jackaroo 1360lb
MAUW - Fox 2070lb, Jackaroo 2180lb
Cruise speed - Fox 96mph, Jackaroo 90mph
So seemingly the Fox could carry 150lb more payload faster.
A point that is often missed is that a number of Fox parts actually came from the original DH60 rather than the Tiger. For instance the wings - which were not staggered and therefore could fold, Gipsy Moth style.
Due to the lack of sweep on the wings the ribs were parallel to the airflow again as per the original DH60 and thus probably more efficient.
I guess all these little things add up.
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Post by Peter Lewis on Jan 21, 2020 22:20:31 GMT 12
John Pheasant rolled out his Jackaroo rebuild into the public eye at the 'Classics of the Sky' event last weekend. Carrying the registration ZK-PHZ (but not actually registered until today) this started life as Tiger Moth N6907 before emerging as Jackaroo G-AOIO back in 1958. Flew with a few UK owners before being exported to Australia in 1978. Probably not in the best of condition at that time, as it was logged as 'under rebuild' on arrival. Presumably this never happened, and John imported the remains minus the wings, which had got used up elsewhere. The fuselage has now been restored, and the wings fitted are off John's current Tiger Moth, ZK-BFF. The colours are reminiscent of Tiger ZK-AIA. I understand that the Jackaroo is yet to fly in NZ.   |
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Post by rossbrodie on Jan 22, 2020 16:49:20 GMT 12
Brilliant photos Peter, I hope it is ready in time for the Tiger Moth club AGM at Ashburton in March, it would be nice to see it in person. A point that is often missed is that a number of Fox parts actually came from the original DH60 rather than the Tiger. For instance the wings - which were not staggered and therefore could fold, Gipsy Moth style. Due to the lack of sweep on the wings the ribs were parallel to the airflow again as per the original DH60 and thus probably more efficient. I believe the wings on the Fox are from the Tiger. The Fox wings are slightly swept unlike the DH-60. Most of the sweep that is present in the Tiger is taken out by the mounting points on the Fox being where the fuselage is tapering outwards to accomodate the side by side seating in the passenger cabin. The straighter wings certainly make a difference to the performance, as you say it's almost certainly one of the reasons the Fox performs better than the Jackaroo. |
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Post by JW on Feb 26, 2020 23:45:34 GMT 12
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