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Electric Sea Fury
Electrifying on a budget
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Looking good Danny.

I see the weather seems to have noticed that you've nearly finnished the Fury. You've frightened it away

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Looks like Ned Flanders at the helm Danny
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A slightly younger incarnation, hope he can fly  
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Couldn't resist a quick assembly shot, I have a MUCH BIGGER spinner on the way but this will have to do for now.

http://www.modelflying.co.uk/members/images/1100/Gallery/DSC_8610_(Large).JPG

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Looks superb, I'm going to have to get me one of these .........

 

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Wait til we see how it goes, I must say I have been impressed with the fit and build quality. Was hoping to fly it this weekend but weather forecasts are not looking great

Just balanced it on the scales, minus battery pack, and two Rx packs ( extra for retract) and it says 7lbs so we may be on to a winner, though the scales are not the most reliable in the world

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7lbs or there abouts sounds very good to me, no the forcast looks a bit iffy as you say.
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Shaun was going to let us know what weight his came out at, he estimated closer to 12lbs. Have you weighed it yet Shaun ????

Anybody else built one? what was your final weight?

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Sorry mate, been away. I'll get onto it tomorrow. Love the thread though, and you're right, the pilot looks as camp as a row of pink tents! My one from Pete's pilots cost about £7. Do it!
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Hi Shaun I do have a Petes Pilot lol, all ready to go. But I am not so good with the brushes as you are matey  

Anyway, don't want to get attached ( I always do) and I want to fly this til it falls to bits.

Anyway spun the small motor tonight, 8 cells A123, 14 x 7 prop. 980 Watts, 40.2 Amps, next biggest prop I have is a 17" need something around a 15"

It will fly this quite happily but the takeoff may be interesting it all hangs on the final AUW weight.

Got the mechanical retracts working a real treat, used a Bluebird BMS706 servo £6 from Ebay. Its a low profile jobbie so fits (bear this in mind the retract servo needs to be low profile) Anyway I set the endpoints on the JR retract channel to just 50% and the servo speed to be around 3 secs. Calculated the amount of travel required by the retract units (19mm lock to lock) drilled a servo output disk to give me 25mm at 60 degrees.  I hooked it all up and increased the endpoints until the servo locked in both up and down. Turned out to be 128% in both directions.

Wheels take three secs up and three secs down, with a good radio even mechanical retracts can be a doddle. A lot easier than when I used mechanicals twenty years ago took days to set up!!!

Will try and weigh the model tonight as almost finished.

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Anyway Shaun you shouldn't be so rude about Ned.......

http://www.modelflying.co.uk/members/images/1100/Gallery/DSC_8612_(Large).JPG

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Didn't see that before. He does have a porno Burt Reynolds looky likey thing going there!

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Or possibly Errol Flynn......

Good work on the project Danny, even with dodgy scales and the batteries, AUW seems a lot lower than Shauns - would think she will be fine on the 980 Watts, and of course longer duration than if you go to 15" prop.

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Yes but I would like that little extra available if needed, you know the sort of thing tree ten feet in front and two feet higher than model....... It all depends on the final weight, and my final weight will be fully fuelled

So dodgey scales, dodgey batteries but the pilots fine??? lolololol

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Not all Pete's pilots come in the raw  (?)  state, he has some on e-bay ready painted, too, and presumably also in his direct on-line shop.
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Couple more pictures just c of G to play with now, 8 cells went in so sweetly. The beauty of A123 is they really don't care about being cooled, so you just wedge em in (technical term)

Going to make an arming plug using a Deans and fit the cowel then its time to fly.

AUW 7.7lbs Don't know what you fed yours on Shaun, but even with my dodgey scales (which are probablt innacurate) its still a light model and always felt as such.

http://www.modelflying.co.uk/members/images/1100/Gallery/DSC_8615_(Large).JPG


http://www.modelflying.co.uk/members/images/1100/Gallery/DSC_8619_(Large).JPG

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Nice job there Danny, will you be having it filmed on its maiden ? would love to see this one go.  Will you  arrange the external Deans arming link to be a charge point also ?
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I might be wrong about the weight (probably), but I won't know until later. Don't forget, mine has a big motor, air retracts and oleos, a big nicad for the onboard glow, fuel tank, etc, etc.
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High Timbo, I hadn't thought of that unfotunately as I am only interrupting one side of the feed would need to fit a second Deans to do that, or am I missing something???

The maiden will be filmed, i like to do that with all my models makes the inquest over a coffee more fun Weather is rubbish so not sure when it will be.

I must say for an ARTF it was a really nice model to assemble. If you do like Shaun and change the colours and add some detail then it can be made to look very attractive. But it isn't so bad as is.

I have tried to use everything as it was intended and apart from the rubbish screws (some of which didn't even have slots cut) and the piano wire was a little soft. I did change the horns for more hidden ones as I hate to see control horn attachment plates on the upper surfaces. I also linked the two elevator halves, thus saving me a servo and the linkages. The tailwheel I made must weigh a fraction of the one supplied.

I did in the end as Timbo suggested and used the £2.50 servos throughout as they were ballraced and much higher torques than the cheap Futabas.

The cost of the parts is shown on the first page of the thread and shows that this can be done fairly cheaply. Even the switch harness was a cheap UH one lol costing only a couple of dollars

I think a fair bit of weight has been saved by using the supplied mechanical retracts, which although sloppy should work okay, the proof of the pudding will be in the eating, that reminds me, Ice cream, Greenacres Electric Fun fly, August 16th and 17th, Hope to see you there???

Tally Ho!!!

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Looking good Danny

I need to speed up to catch you with finnishing the DH88 for the same flying session..
Bring the vid camera and we'll see what we can get.

I'm trying to work out an external Deans arming solution with charging.

I currently arm by having cells in 2 lots of 3 in each nacelle. Each "3" is connected to the ESC, and I arm by connecting the 2 "3"'s together at the back. This would be a great place to charge. But to do that I need to short accross the ESC ends while charging. This setup then has the potential of a short at both ends so I've given up on that idea...  and I'd still have to get to the ESC end.

So a new setup. To charge at the front, where I arm with a shorted Deans, I need one more connection for the other side of the battery. Do I put in another deans just for charging? That has the potential of connecting the arming plug accross the battery so thats a no no.

I could put in one 4mm round and make a charge lead which supplies the battery side of the arming socket and the 4mm (or even a 2mm).

Anyone have a neater solution???  Maybe just a different style 2 pin socket for charging is after all the simplest solution??

Tell you what - I'll also buy ice creams (or maybe even a beer) for the first person who can show me a decent solution, live in the flesh, at our funfly.  Danny I hope the ice cream man comes, otherwise its a trip out to the shop

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