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 sticky  Author  Topic: Sea Vixen FAW.2 XJ494 - Progress  (Read 59834 times)
Plazz
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #135 on: Jun 30th, 2008, 9:10pm »

Chris,

What exactly is the electrical issue with 494? More importantly do you have the electrical drawings?

Francis
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Bruce
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #136 on: Jul 1st, 2008, 12:27pm »

Good thread this - looking forward to seeing the beast working again.

What are the inverters - I have a number of different types in my 'Big Shed'. I might have something that will work better than what you have.

I should also have an electrical manual, which you would be welcome to copy.


Bruce
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #137 on: Jul 1st, 2008, 5:33pm »

If your there on saturday ffrancis i'll run you through them briefly i'll bring the manual as apart from one relay we've had most of the larger items out already
knowing us it's probably something insignificant that's stopping everything huh after all it only took 20 minutes the other day to realise that guy had taken the battery out of the GPU doh basics eh

hopefully i'm going to try and replace the wingtip trailing edge light covers replaced which as ever involves drilling out about 40 fasteners
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chrisw
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #138 on: Jul 1st, 2008, 5:34pm »

ok the electrical issues are as follows,all inverters have been removed completely stripped,refurbed and rebuilt.we have run them in and load tested them all on the bench.each inverter has a relay and a starter unit matched to them.we have removed the starter units and repaired,tested and refitted them.the relays have not been touched yet but i suspect the one controlling the 108 inverter is ok as it does spool to half power suggesting power in passing through this relay to the starter unit.the 103 at present refuses to even try to start.i have looked through the electrical manual really in depth and i have 3 more things to look at for the 103 if they turn up nothing i'm at a loss to see what else barring a complete rewire would solve it.we are really close with the 108 but it won't latch on and go to full speed.at present we have the electrical manual for the faw1 and faw2 but have no info on the actual control gear and inverters themselves we are learning it by trial and error.what manual do you have bruce?also if you have a spare 103 inverter we could do with it and any other related control gear.drop me a line francis and i can go into more detail as to where we are up to.colin and guy have my contact details,we really want to get her back to running by next year as she will be 50 and it will make a nice b'day treat for us all.let me know if you can help guys.thanks in advance for anything you can do.
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #139 on: Jul 12th, 2008, 4:58pm »

Today steve removed the invertor relays in the stbd booms (the last component in the system not yet overhauled) for chris to have a look out after he gets back from his holiday I concentrated on drilling off the wing tip nav light covers both now off after chris gives them both the once over we'll re-wire them in and fit the hew covers obtained at cockpitfest the other month.

Meanwhile DT and Pete had a go at removing the nose axle, then in a break from my work above i decided to read the manual again whoop we'd been hitting it the wrong way with a sledge hammer well the axle out but the wheel hub won't "simply remove" we thing the sliding sleeve is not sliding maybe next time

That's it for now
and no nev we can't run it for the open day
it'll bend something
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #140 on: Jul 12th, 2008, 8:42pm »

all sounding real good matt - I'll hopefully catch up with you on Aug 3rd? Spoke to chris last time at the LPG day, he kindly let me sit in the old girl, what a cracking cockpit, first time in a Sea Vixen, loved it! grin
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #141 on: Jul 27th, 2008, 7:12pm »

Here’s an update from Matt…

Aileron tip lights with new lenses…
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The magnetic relays, however they are so simple inside I doubt if they are the cause of our ongoing electrical issues unless anyone knows better?
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New nose wheel fitted…
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The canopy moves under power....however you need a fully charged battery…
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DT at work…
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Matt, I would be interested in having a look at the Sea Vixen’s electrical issues next weekend if you think I can be of any help?

Francis
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #142 on: Jul 27th, 2008, 9:14pm »

yeah if you don't mind, my brother believes it could be in the switch in the cockpit or possible somewhere in the coal hole has been affected by water leaks ??

i'll bring what circuit diagrams i have with me

but i haven't got a multi-meter myself !!!

Cheers Francis
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #143 on: Jul 28th, 2008, 08:06am »

Its great to see the work on 494 coming along, and its also great to see DT getting his hands dirty again.
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #144 on: Jul 31st, 2008, 10:02pm »

just a quick update.main geaerator that was removed has now been refurbed and painted and is ready to refit.also one of the new engine intake blanks is finished and ready to fit to the aircraft.in progress are another blank and an ignitor unit,still reading the electrical ap over and over to look for new leads on the electrics.just as a footnote no one else seems to post on hear anymore its nice to know how everyones little project are getting on as i don't get to see most of them.so get posting!!!!!
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #145 on: Aug 1st, 2008, 06:59am »

Haha, think that's us getiing told!

Great work Chris, wish I was in a pposition to do as much with '126, still political at the mo so nothing restorative happening unfortunately.

Will you be at Brunty on Sunday? If so, I'll be sure to come and pay you a visit in between throwing a stripey Canberra down the runway grin
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #146 on: Aug 1st, 2008, 10:36am »

Will be there but chris won't

hopefully i'm going to consult ffrancis about the elecy issues and let him look at the circuit diagrams

I'm thinking we've either got a fuse blown somewhere or a sticky relay, these are all on the cockpit back bulkhead which has been subject to a bit of damp

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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #147 on: Aug 4th, 2008, 11:40am »

Hey ho another day another small smoking tail boom,first task was to re-fitt the items out for checking. Power went on and duly turned the aircraft into a small smokescreen after stripping out the offending tele-brief loom which had decided to spontanously ignite we tried to have a look again at the electrics, although dirty the main fuse bars in the cockpit have some corrosion but all bar 5 fuses were ok these being stbd ignition, CWP and 3 othere fuel tank indicators, however nothing linked to the invertor issues, we also know that the LP cocks work, as the AALO guys from gatwick proved for us !!! LOL. Anyway i digress the aim is too revisit the electrics again in two weeks when we should have 3 leckie minded people available whilst the remainded attempt again to pull the engine

That's it for now

PS Guy wing folding demo today was proper heath-robinson., oh for the want of some shims
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #148 on: Aug 4th, 2008, 11:57am »

on Aug 4th, 2008, 11:40am, matt wrote:
PS Guy wing folding demo today was proper heath-robinson., oh for the want of some shims


Heath Robinson maybe, but sh*t happens and it was dealt with. Don’t expect the Sea Vixen to perform flawlessly first time, else you’ll be disappointed!

Thats aeroplanes for you wink
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xx Re: Sea Vixen FAW.2 XJ494 - Progress
« Reply #149 on: Aug 4th, 2008, 12:33pm »

We've all seen how a bucc is supposed to fold it's wings by now, so it was good to see a fully planned and totally intentional demo of how sometimes things go wrong, and the ensuing textbook methods of how to put them right.... grin

Anyways, hope you get that smokey wiring sorted soon matt. I've been rallying around to see if I can gather some manpower for the 16th to help you (or more to the pont, that engine) out, not sure if I can make it myself yet but I'll keep you posted. Good catching up again fella, till next time!
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