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Converted IC models for the slope.

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Tim Mackey27/06/2016 23:36:28
20964 forum posts
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Well its often said that anything will slope in a good blow. Obviously many IC models have rather blunt and thick wings and this Spit is no exception.

First a little background..... Mark "foamy cardboard" Kettle of Vulcan fame, had an uncle who did a lovely job of assembling this Sportsman Aviation / Jamara .90 sized Spitfire. After being fitted with retracts and a .90 4T SC engine etc, he was all set to maiden fly her when he sadly passed away. Mark inherited the model, but being a glider guider at heart, he asked me if I thought it would slope - and if so, I could have it on condition that I converted it.

So, after stripping out the engine, rudder servo, fuel system and retracts and tailwheel, I set about moving everything I could up front onto the redundant engine mount bearers. I extended the elevator snakes and fitted the servo up there too, along with rx, battery, and a big chunk of lead. A spinner from a MIG 3 was screwed to the cowl, the undercarriage and cowl holes filled in and crudely covered with some solartex, retract bearers removed, ribs strengthened and covered over with invasion stripes. I managed to reduce its weight by over a pound, and with her balanced at around 1cm in front of the original, she and came out at a tad over 6 lbs. All was set for a maiden flight at our last pss meet. Unfortunately we had pretty much zero wind, so it never came out of the car.

Today however....... 25 mph smack straight onto the west slope of the big rock..... and I had a day off ! Half a dozen of us enjoyed a cracking session from around 4.30 up until gone 9pm with combat wings, sport models, and Vulcans and then my mate Jem threw her off, with another clubmate trying to catch a few shots on my phone camera. Flew straight out of his hands, and a few clicks of elevator trim saw her away. Flew a lot better than any of us expected to be honest, so all in all, a success.

Phone-only photos, but considering that, and the rather dark skies, my mate did well to get what he didyes

Thanks Mark and you can look forward to a go on the sticks very soon laugh

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Edited By Tim Mackey on 27/06/2016 23:43:43

Stephen Jones27/06/2016 23:51:58
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2198 forum posts
1236 photos

That`s a nice success story thumbs up .

I have often thought of chucking some of my models of a cliff .

Steve

Ian Jones27/06/2016 23:53:36
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2995 forum posts
1362 photos

Oh that looks so good Tim, get Mark to press the video button next time too.

Tim Mackey28/06/2016 00:04:03
20964 forum posts
303 photos
15 articles

Thanks chaps.

Ian, it wasnt Mark - he wasnt here sadly, but another flyer did have a tail cam on the chase plane, and yet another bod tried to get some film on his I-Pad which may be uploading to U Tube.thumbs up

Mark Kettle 128/06/2016 05:34:10
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1629 forum posts
1068 photos

What a great result and report on the alteration Tim. I bet Brian's spirit was with you when you made the maiden flight. As I said to you Tim many moons ago your flying style and manner on the slope remind me very much of Brian. Enjoy flying the Spit to the max.

Hers's a picture of Brian a few weeks before he passed away, he managed to fly his P47.

brian holding the transmitter and bill fallowfield hold the thunderbolt .jpg

Taken on Sunday 28th September 2014. Bill Fallowfield holding the Thunderbolt.

Here we all are many years ago larking about on our local slope, with the normally rc pylon racing & club 2000 O'dell's.

Here is some video of the Thunderbolt flying filmed by his flying mate Deepak.

 

 

Edited By Mark Kettle 1 on 28/06/2016 05:36:23

David Davis28/06/2016 05:57:56
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2341 forum posts
418 photos

He was a better pilot than I am!

Andy Meade28/06/2016 10:21:11
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1902 forum posts
474 photos

Great success Tim, nice to see the Big Rock doing what it does best yes

Ian Jones28/06/2016 10:45:48
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2995 forum posts
1362 photos
Posted by Tim Mackey on 28/06/2016 00:04:03:

Thanks chaps.

Ian, it wasnt Mark - he wasnt here sadly, but another flyer did have a tail cam on the chase plane, and yet another bod tried to get some film on his I-Pad which may be uploading to U Tube.thumbs up

Oops misread that bitembarrassed. Anyway looking forward to some moving pictures smiley.

Mark Kettle 128/06/2016 13:28:22
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1629 forum posts
1068 photos

Yes I'm looking forward to the video.

KiwiKid30/06/2016 01:01:37
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145 forum posts
106 photos

Congrats on the successful flight Tim. It's great to see an IC model ticking along on ridge lift.

One of my favourite models is a Great Planes Lear Jet, PSSed

learjetflying2.jpg

I just noticed this model the other day on the HK site. Looks like a good contender. It's designed for IC or electric flight, so has scale (or less) intakes to reduce drag and could be beefed up for PSSing: **LINK**

Dave Bran30/06/2016 08:30:50
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1576 forum posts
5 photos

Great, but why lose the rudder?

Tim Mackey30/06/2016 09:31:13
20964 forum posts
303 photos
15 articles
Well I was just trying to shed as much weight as possible - Ill prob fit a mini servo and install lightweight pull pull lines now i know she flies ok. Didnt lose the rudder literally - just taped it straight Dave 😉

Edited By Tim Mackey on 30/06/2016 09:32:39

Andy Meade30/06/2016 09:32:07
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1902 forum posts
474 photos

surprise

Tim Mackey30/06/2016 09:33:23
20964 forum posts
303 photos
15 articles
Mr Meade you were v quick there mate 😆
Andy Meade30/06/2016 09:34:11
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1902 forum posts
474 photos

wink now THAT was a quick edit! hehe yes

Mowerman02/07/2016 19:12:32
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1400 forum posts
88 photos

A few years back, a man arrived on my nearest slope with a high wing glow powered trainer. After removing the prop and U/C he demonstrated slope soaring to his small son, then did a super landing and off they went home.

Just shows , almost anything can be flown from a slope, so why do I manage to break my models? (and my ankle on one occasion)

Edited By Mowerman on 02/07/2016 19:13:25

Stephen Jones03/07/2016 10:55:57
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2198 forum posts
1236 photos

Is there a knack to flying on a slope. I have never flown on a slope and i have down loaded a Flight Sim that has Gliders, Slope Soarer .

And i am struggling to keep um airborne for long.

Steve

Tim Mackey03/07/2016 14:01:01
20964 forum posts
303 photos
15 articles
Well yes there is like anything in life u need to acquire the skill.
Head over to the other topics within this pssa section and ask away - youll get lots of advice 😉
leccyflyer03/07/2016 15:07:19
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1098 forum posts
281 photos

Nice job on the Spitfire in the OP, Tim smiley

My pal Derek's Cambrian Spitfire funfighter flies brilliantly in anything around 15mph wind and really looks the part.

brimmond 7th june-1.jpg

My own Cambrian Funfighter Spitfire, having previously flown under OS .25FP and AXI 2820/10 power has also been converted to PSS and wasn;t as sprightly as Derek's slightly lighter Spitfire. When the proper brown and green Mk1 Spitfire took a chunk out of the wing of my MkIX version they were the only two models in the sky.

Before then, I'd managed to get some air to air video camera gun footage of the Mk 1.

takkatakkatakka (2).jpg

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Derek's now made a second Cambrian Spitfire funfighter for the slope, in a Mediterranean PRU scheme, which has yet to make a maiden flight. As a result he kindly donated his old Spitfire to me, for which I'm very grateful.

KiwiKid05/07/2016 09:31:06
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145 forum posts
106 photos

Awesome leccy, one can never have too many Spits.

This is my 1.4m Durafly version flying in around 12kts. It really comes alive around 20kts.

**LINK**

By the way, I am not sure if that Tomahawk model I referenced earlier was on sale at the time, but it sure is now!

**LINK**

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