Hellcat. Radio control scale model American WWII fighter.
Quote: "Lightweight 'old fashioned building techniques' provide a realistic scale model that can be both docile and acrobatic on a seven cell battery pack. Grumman F6F Hellcat, by Dale Tattam.
After reading about the F6Fs, the idea came to me about building an electric warbird. Having seeing a couple in the mags all built from foam, or plastic ARFs, I thought that I wanted to build light, and I couldn't see why old fashioned building techniques could not be used. So having a look through some old books on rubber powered flying models, the idea started to become reality. After some thought about weight and size this 'Hellcat' was born.
I wanted to use standard 540 buggy type motors, nothing hot. If an Olympus belt drive is used, a large prop can be swung. I used a Top Flite II x 8 which gives me about 4.5 minutes running time. I have looped and rolled my model many times. I only used 8.4V 1200mAh packs, so packs using the new higher capacity sub C cells will give even better flight times. She will fly on a 7.2V pack but the 8.4V size has to be used for any aerobatics. She's not fast but has a realistic 'look' in the air.
Flying. You want to know how it flies before you built it, don't you? On the first time out, with an all-up weight of 1lb 12oz (790g) I was happy - but nervous. The slight wind of about 5 knots was fine (this is not a windy weather machine - summer evenings or cold frosty days are great for it).
On this eventful day I had arrived early and had a quick flight with my other model, while the Hellcat's nicads were charging. With nicads fully charged, the time had come to do the airtest, and a couple of other club members were out there too. One - 'Ronny' who is 75 years old was on his way over to the flight line. Ron who has always been very keen to see new models, was already asking: How d'it fly boy? I replied: Don't know, can't get it to start. (I was still flicking the prop!) I think my two volts' gone down. Hearing this, off shot Ron to get his - he is always a nice helpful guy..."
Hellcat, Electric Flight International, September/October 1995.
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Article pages, thanks to RFJ.
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