Jet Provost

Here you can post all thing Jet related
graham trever
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Re: Jet Provost

Postby graham trever » February 22nd, 2015, 3:14 pm

Hi Chris
Nice to see another one and that will be my choice of colour scheme,may be slight variation.Will be nice to see another fly,lets hope there is some flight footage of the others. I am hoping to be ready in March and tested before Easter.When it is primer will post a picy.

Graham

David Brown
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Re: Jet Provost

Postby David Brown » February 23rd, 2015, 7:53 pm

I must say I do prefer Davids color scheme to mine.

graham trever
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Re: Jet Provost

Postby graham trever » February 24th, 2015, 10:22 am

Hi Dave
I think mine is going to look likes Davids at a distance, Long distance!!!!!!.Still doing primer and fitting out will follow.
Graham

David Brown
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Re: Jet Provost

Postby David Brown » March 2nd, 2015, 8:02 am

Had my first flights with a jet since last year on Friday, had a great time at Longmarston with 4 flights on the JP. For the first time I really pushed the speed up for to max on full circuits and she performed faultlessly, previously I was happy just flying slow but over the winter months I have been flying the Ripmax Dagger which is deceivingly quick and this has helped to get the speed up. Again the landing were a non event with a stable decent on full flap.
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graham trever
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Re: Jet Provost

Postby graham trever » March 9th, 2015, 9:38 am

Hi David

Could you let me know fuel tank capacity for info and I will be putting wheels on for pictures in primer soon.Have started fitting engine and other bits.

Graham

graham trever
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Re: Jet Provost

Postby graham trever » March 17th, 2015, 9:13 am

JP2.jpg
JP2.jpg (108.5 KiB) Viewed 2749 times
Hi David and Chris

Still fitting out but I thought I would add the picies as it will be flying in primer.
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JP1.jpg
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chris willis
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Re: Jet Provost

Postby chris willis » March 17th, 2015, 10:45 am

Nice one Graham a few of them are coming together now, another fine example.
Chris

David Brown
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Re: Jet Provost

Postby David Brown » March 19th, 2015, 8:31 am

Hi Graham, the fuel capacity is about 2.6 ltrs, I only fill the two side tanks and use the top one as a taxi tank/overfill and I get 5 mins with fuel to spare with my Wren 70.

Steve Rickett 2333
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Re: Jet Provost

Postby Steve Rickett 2333 » March 19th, 2015, 8:26 pm

Looks good Graham, when are we likely to see it?

graham trever
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Re: Jet Provost

Postby graham trever » March 19th, 2015, 10:27 pm

Hi Steve

Just waiting to do turbine runs now and maybe a testing before easter. If tested it will be with me at easter.If not ait tested ,might bring it along to run turbine at flyin.
See you Thursday night after 1900hrs at the Easter Flyin.

Regards

Graham

graham trever
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Re: Jet Provost

Postby graham trever » April 18th, 2015, 5:57 pm

Hi All
Carried out ground tests on Thursday after changing servos at the rear for Futaba 9070, Test flight carried out at Winterton on Saturday and it is a pleasure to say it was excellent,very little trim and away we went,second flight had reduced throws for elevator and after approx 6mins still had 1 tank full.Slight nose leg mods needed when bringing up nose leg.Very pleased .

Steve Rickett 2333
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Re: Jet Provost

Postby Steve Rickett 2333 » April 19th, 2015, 6:06 am

Congratulations Graham, thats great news. Time to get the paint brush out!

graham trever
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Re: Jet Provost

Postby graham trever » April 19th, 2015, 9:58 am

Thanks Steve
Always like it when next to no trimming needed.Likely scheme is as picy complete with lumps and bumps.
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JP1.jpg
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Steve Rickett 2333
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Re: Jet Provost

Postby Steve Rickett 2333 » April 19th, 2015, 12:05 pm

I have to admit there is something nice about the 'classic' colour scheme.

David Brown
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Re: Jet Provost

Postby David Brown » April 19th, 2015, 5:25 pm

Great news Graham, I also like the colour sceme. I will be test flying my bigger Jetwelt JP any time now.

Alan Cantwell 1131
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Re: Jet Provost

Postby Alan Cantwell 1131 » April 19th, 2015, 5:44 pm

I like the strikemaster version
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chris willis
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Re: Jet Provost

Postby chris willis » April 19th, 2015, 9:30 pm

Well done Graham that's fantastic news, I look forward to seeing it in paint

David Brown
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Re: Jet Provost

Postby David Brown » May 17th, 2015, 5:37 pm

Test flew my Jetwelt JP on Friday. All did not go well as I seem to have the c of g too far back making it very sensitive at low speed and I had 5mm of down elevator dialed in after landing or should I say arrival. Knocked out the nose leg & bent a main but no structural damage. I will now recheck my settings when the parts are repaired, it was set at 30% so it should of been OK as my smaller one is set the same and is very stable. When it was flying it handled well and really looked the part in the air and with the 180 it was not short on power, just the low speed was a problem.
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JP 003.JPG
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JP 002.JPG
JP 002.JPG (164.58 KiB) Viewed 2140 times
JP 004.JPG
JP 004.JPG (178.53 KiB) Viewed 2140 times

David Brown
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Re: Jet Provost

Postby David Brown » May 19th, 2015, 3:45 pm

Re- balanced today and added 1.25 lb, roll on Friday for another test flight.

David Brown
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Re: Jet Provost

Postby David Brown » May 23rd, 2015, 6:22 am

After a frustrating start to the day I finally got the second flight in, take off was smooth and steady but again I needed 4 mm of down trim to get her to fly straight & level. The c of g is now at 25% which shows in the flight as she flies heavy but stable, flaps still induce a steep climb so down will have to be mixed in but it now means surgery to change the tail plane incidence to resolve the need for down trim and get the c of g back to around 30% where it is on my smaller JP. The landing was far better with the reduced elevator throws and although quick with no flaps she got down safely after 3 attempts.


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