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F3-RES

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Andy Sephton 127/05/2019 09:23:39
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149 forum posts
360 photos

The F3-RES class of thermal soaring glider has become very popular on the continent. The following is from the translation of the FAI Rules:

“F3B-RES” is a competitive class for radio-controlled gliders with a maximum of two (2) meter wingspan constructed predominantly of wood. Control is via elevator, rudder and spoiler. If used, spoiler(s) must be on the wing upper surface at least 5 cm ahead of the trailing edge. The spoiler(s) can be controlled with either one or two servos. Launches are to be done with a hi-start...."

Carbon is allowed but only for spars, leading edges and the fuselage tailboom.

This is a class for traditionally built gliders launched by simple means. So, it seems to me that we have an affordable and easily accessed model flying system that would be ideal to introduce the beginner to model gliding into non-electric soaring.

There is currently a simplified league for the class on the BARCS forum **LINK** but that's about it at the moment.

I know of at least three modellers who have a suitable model and 4 others who have models ready to build. With a bit of publicity, I'm sure we could get this class to take off (pun intended) in the UK. To that end, I'm considering organising a meeting of some sort, possibly at Buckminster, in 2020.

So, how about it? What are your thoughts? Lets hear 'em, please, and don't hold back!

 

Edited By Andy Sephton 1 on 27/05/2019 09:29:57

Martyn K27/05/2019 10:14:03
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4842 forum posts
3517 photos

Thanks Andy

I concur, it's a great technology limited class which helps keep the cost down. It's also very suitable for small field flying and would make a great class to fly within a club. I built my 1st F3-RES about 3 years ago. My best competition flight from a flat field shirt bungee launch was over 35 minutes. Absolutely wonderful fun

Martyn

Andy Sephton 127/05/2019 11:13:57
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149 forum posts
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Thanks for the support Martyn ... you are, of course, one of the three modellers I know with an F3-RES model!  ... and you did point me towards this class of model in the first place!

 

Edited By Andy Sephton 1 on 27/05/2019 11:14:50

paul d27/05/2019 11:34:19
16 forum posts
3 photos

Hi Andy, I'm new here, I will of course post a bit about myself in the relevant section.

I'd like to join in the fun with this one, I don't have a competetive model but I do have a new build "Caprice" that I could use just to make up the numbers.

regards Paul

Nigel Dell27/05/2019 12:30:22
365 forum posts
27 photos

HI Andy

Sounds like a great idea, although I do have some F5j models that languish in the spare room having been playing with slope and power models in recent times, I am sure I can dig something out although if it is 2m then I may have to build something.

Nige.

P.S. Have just been checking my bungee's funnily enough with the view to use them and happily found them in very good order.

Tony Bennett27/05/2019 12:49:45
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5071 forum posts
129 photos

I already have an old 2m 2 chanel glider that i can press into service.

though i will have to stick a motor on the front to enable me to practice as our club does not like bungie launchers on the runway.

i can always lock the motor off for comp flying.

Tony B

MikeQ08/06/2019 08:18:24
78 forum posts
75 photos

Hi

ive built a Fresh RES kit available from hyperflight. German laser cut kit. Went together very nicely. Just getting to grips with this glider guiding malarkey after years of RC power and free flight comp stuff.

https://www.hyperflight.co.uk/products.asp?code=FRESH&name=fresh-f3-res

Mike

Edited By MikeQ on 08/06/2019 08:19:19

Nigel Dell15/06/2019 13:34:11
365 forum posts
27 photos

Well I have got and made up the F3 RES legal bungee, just got to build the models now!🥴👍🏻

6499d674-23d8-4084-acb8-ebcf39cf31a1.jpeg3e8f3d16-362b-4704-8c93-a52bed9e11bd.jpeg1fc71985-dcf0-4e01-bb58-e09c19c7710c.jpeg

Nigel Dell15/06/2019 13:40:12
365 forum posts
27 photos

Slite V2

Dart RES

I have just got the Slite but have had the Dart to build for a while as I have a thing about flying wings should make an interesting back up model, thanks Andy for re- igniting my enthusiasm!! 👍🏻

Andy Sephton 116/06/2019 08:16:12
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149 forum posts
360 photos

You're ahead of me on the bungee front, Nigel. I have the parts to make one up but I was waiting to do it on the flying field as I'll need more space than I have in the garden. I also have a Slite ready to test (and an Elan 100 that I'd also like to try on the bungee), but the weather recently has been just awful!

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