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17-03-2007
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#1 (permalink)
| | Hi I'm New
Join Date: Apr 2005 Location: Aylesbury Real Name: Graham My Models: Boats and planes Visit grahamv's Gallery
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| Prangster - JP I see there is no Prangster forum so, as I have just aquired one I thought I would start one.
It says on the box - Virtually unbustable!! Well, my wife bought one for me because every time I go out with a new model I usually end up bringing it back in the palm of hand (a bag of bits). Now you can only keep so many bags of bits before you have to do something about it. Hence the Prangster.
It is made from EPP foam, comes in 2 halfs and the electrics go inside the precut holes. It is covered with webbing tape which will not tear and then covered with coloured packing tape, which is very strong.
I have met a guy who has ploughed it head first into the ground with no adverse effects, though I would worry about the electrics and engine personally. It has had it's maiden flight and flew very back heavy. It took 6oz of lead under the engine to level it. I think the mistake I made was using webbing tape on the depron tail pieces, which made it tail heavy.
I replaced the wooden wing spars for 10mm carbon tubing just to up the anti really. The undercarraige is very springy and will cut the engine on a heavy landing by stopping the propeller. I got around this by using a heavy duty zip tie wrapped aroung the undercarraige under the body. Just takes that initial spring out of it. I also changed the wheels from 2'' to 3'' so it takes off better. I use an OS40, which has ample power for the 5lb weight. I have to use half rates to take off, which leaves an awesome machine when on full rates. It will virtually turn over in it's own axis and does very quick rolls.
All in all it gives you a lot of confidence to throw it around, unlike my last one which failed to come out of a spin (well it did, but at 50mph into the ground). |
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17-03-2007
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#2 (permalink)
| | Scale Model Member
Join Date: Feb 2006 Location: Beside BEN NEVIS Real Name: Bob My Models: now 14 rc aircraft Visit flytilbroke's Gallery
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| Hi Graham, I have had fun with a Prangster too. I also had to add a lot of nose weight. I see you have done another of the mods with the use of a "tie" on the undercarraige, I ended up making mine into a two wire version using formed "ring" fittings at the (REAR) pegs and bound and soldered close to the wheels. Were I to do it again I would use silver solder, and I would fibreglass from just behind the front peg to the nose. This is what I ended up with and it was one tough model that flew well.
__________________ Retired is the best job
Last edited by flytilbroke; 18-03-2007 at 07:11.
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17-03-2007
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#3 (permalink)
| | Moderator
Join Date: Jul 2005 Location: Halifax, Yorks: Nassau, Bahama's:Port Canaveral, USA: and all points in between. Real Name: Richard My Models: Robbe U-47, Deans Marine Cossack, Steam Coaster, Revell U-Boat, Motorcycles. Visit Bunkerbarge's Gallery
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| Hi Graham and a warm welcome to the forum. Anything that is very resistant to breaking is of interest to me as I have spent many an hour building and messing around with R/C planes and a total of about half an hour in the air. Hence I now play with boats!!
I would love to get off the ground though with a reliable trainer so feel free to tell us all about yours.
__________________ 
“Dirty British coaster with a salt-caked smoke stack, Butting through the Channel in the mad March days" |
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10-08-2007
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#4 (permalink)
| | Foam RC pilot
Join Date: Aug 2007 Location: Hythe, Kent Real Name: David My Models: right now RC planes Visit davidpal92's Gallery
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| Thanks guys
i am soon going to buy a jp prangster and all you experiences,mods will come in handy to stop my jp prangster going to the RC plane heaven place.
can i just ask what prop u guys used and does the kit come with a fuel tank/what size
__________________ A pet is for life but an rc plane is for the time it takes to buy it, fly it and trash it  huh?
Last edited by davidpal92; 10-08-2007 at 05:57.
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10-08-2007
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#5 (permalink)
| | Moderator
Join Date: Apr 2004 Location: Warwick,UK Real Name: Barry My Models: Aviation artifacts Visit wonwinglo's Gallery
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| Remember there is no such thing as the indestructible aeroplane,usually these kits are built so strong that they utilise heavy components which can make the flying machine too heavy with a high wing loading.
Better to build a light floaty high winger such as the well proven Super 60,Junior 60 type,that way you will be just steering a big docile model around the sky,which is just what you want as a beginner,then after literally hundreds of flights you can progress to something a bit more advanced,but it all takes time and the learning curve cannot be rushed.
Steer clear of agricultural type kits which purport to be indestructible beginners models ! they do not exist,probably alright in the hands of someone experienced but that is another matter.
'Build light,fly light and you will be allright'.
__________________ 'And there I was oil on my goggles from a broken pipe,then I looked at the altimeter,all I could see was the makers name !' www.wonwinglo.scale-models.net/ |
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