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Seagull 80" DH Chipmunk

A bit of light relief

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Dwain Dibley.21/04/2019 00:14:18
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1248 forum posts
1253 photos

Brilliant Chaps.....Well Done.

D.D.

Chris Bott - Moderator21/04/2019 18:04:14
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After pontificating far too much over C/G on these Chippys, I moved the LiPo back a little for my last flight yesterday and I have to say that the model "felt lighter" to fly, (if that's a thing?).

So unable to go flying today I did a spot of measuring and nose weight removal and more measuring etc.

img_20190421_163225.jpg

Suffice to say that my last flight was at Seagulls recommended 130mm and to get back there it turned out that I needed to remove all noseweight and put LiPo back in it's fully forward position - DOH!

Ah well, that leaves mine 5oz lighter than it was and me looking forward to the next flying session. These really do fly very nicely indeed.

Danny Fenton15/05/2019 11:09:05
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9066 forum posts
3928 photos

Chris and I went flying again last night with both the Chippies, and they are a lot of fun.

I removed some telemtry equipment (sorry Chris) and also the two Rx packs, to run solely on the 8A BEC integrated into the new Neuron ESC's. This moved the c of g to 130mm which is where Chris is at. I flew a BMFA scale Schedule and it was lovely, all be it a little more nervous. I think I will move the c of g a little forward to suit my style of flying.

Probably shift the C of G by adding one Rx pack back into the model, and using a dual feed, ESC BEC as main source, LiFe pack as standby, using another one of Chris's clever little boards

I hope Chris doesn't mind me posting this video, I hadn't realised he was stood behind me filming

Motor Turnigy 4258 500kV, 5S 5000 mAh, 15 x 10 APC, Neuron 60 ESC, Frsky RX8R Pro. weight 9.25lbs

Cheers

Danny

Edited By Danny Fenton on 15/05/2019 11:09:24

Chris Bott - Moderator15/05/2019 11:26:37
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From last night.

My caption - "Beware ailien invasion force masquerading as 1940s training aircraft".

img_20190514_202116__01.jpg

Russ P20/06/2019 15:42:29
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135 forum posts
9 photos

Danny/Chris

I've followed your blog and was impressed with the Chipmunk so I ordered one. 3 months later I've finally received one.

Although the instructions are easy to follow, I have a question which I hope you can help with, how do you wire the landing lights. I've enlarged you photos but still can't see how you did it.

Thanks

Russ

Chris Bott - Moderator20/06/2019 18:22:13
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Hi Russ

Good choice. I'm sure you'll have lots of fun with it.

I have the lights working on mine but I have to say I can hardly see them in flight. There must be something brighter that we could use.

I connected them in to the Rx supply via an RC switch.

Something like this, available at many different places. That then plugs into a spare servo channel that I slaved off the flap channel.

Russ P20/06/2019 19:25:01
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135 forum posts
9 photos

Thanks. I'm really looking forward to flying her.

Danny Fenton20/06/2019 23:47:47
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9066 forum posts
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You will really enjoy it Russ, really flies well

Didn't bother with the lights tbh, need to be brighter

Cheers

Danny

stu knowles21/06/2019 08:07:36
542 forum posts
44 photos

These are good as landing lights and only need the wires extending. The set even includes an RX controlled switch!

**LINK**

Danny Fenton21/06/2019 08:35:19
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9066 forum posts
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They look good Stu, and great price. Will they run off the Rx power or does it need a small batt?

Cheers

Danny

McG 696921/06/2019 09:15:16
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2475 forum posts
976 photos

Hi Danny,

I bought that GT Power set some time ago for a future (?) hovercraft project. They are indeed really bright...

It needs a separate 2S battery and it switches on/off by a free RX channel (slaved to flaps, gear or whatever).

Mine came from topcom.com/ UK warehouse at €7,5 all in to BE.

Hope this helps a bit.

Cheers

Chris

Chris Bott - Moderator21/06/2019 11:02:10
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These lights look great, at a great price.

But the diameter looks too big for this particular application I think. (I haven't actually measured).

McG 696921/06/2019 11:20:47
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2475 forum posts
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... diameter = 22mm, Chris.

... and the depth about the same.

Cheers

Chris

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