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Author Topic: BMFA R/C INDOOR SCALE NATIONALS 2018  (Read 783 times)
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Graham Banham
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« on: July 03, 2017, 01:48:04 AM »

Hi All,

Advance notice for your diaries again:

The R/C Indoor Scale Nats will take place next year at RAF Shawbury on Sunday 4 March 2018.

More information to follow

Graham
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Graham Banham
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« Reply #1 on: January 20, 2018, 08:07:27 AM »

Dear All,

As per the above heads-up, the 2018 BMFA R/C Indoor Scale Nationals will take place at RAF Shawbury on Sunday 4 March 2018. Online entry forms are now available on the BMFA website:

https://bmfa.org/DesktopModules/Bring2mind/DMX/Download.aspx?Command=Core_Download&EntryId=2447&language=en-GB&PortalId=0&TabId=1555

Please complete and print off a hard copy and send it to me ASAP with your cheque for the appropriate entry fee , or clearly mark the entry form that you have contacted the BMFA offices directly to pay your entry fees, and either send or email your entry form to me. My contact and venue details are on the entry form. Please note that in accordance with BMFA policy an entry form for this event will not be published in BMFA News.

Pre-entry is mandatory in order for us to effectively schedule the event, and payment on the day of the event will not be accepted, the only exception being international competitors, who will still need to pre-enter, but can pay on the day. Spectators will obviously pay on the day.

Closing date for entries is 23 February 2018
 
Please note an important rule change for this year:
 
The maximum model AUW has been raised to 300g. However: the wing loading upper limit remains unchanged at 15g/dm2, so you can enter a heavier model, but you will need more wing area to maintain the loading at the required levels. This change was noted in Andy Sephton’s June/July STC newsletter last year, which is available in the downloads section of the BMFA website, and is included in the 2018 rule book, which is also available on the BMFA Scale Tech Committee website.

Regards
Graham
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Pete Fardell
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« Reply #2 on: January 29, 2018, 09:27:08 AM »

Re the recent scale rule changes- according to Andy Sephton (writing in the new BFMA News), the wing loading calculation should include the tailplane area as well as the wing area. Is that right? It seems a bit odd to me.
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Graham Banham
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« Reply #3 on: January 29, 2018, 06:05:57 PM »

In the process of getting some feedback on this one Pete.
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Graham Banham
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« Reply #4 on: January 30, 2018, 12:21:45 PM »

Hi Pete (and everyone else affected).

I've consulted with John M on this and the STC have indeed decided that as per the 2018 rules the wing loading calculation for indoor scale, whilst still being a maximum permissible 15g/dm2, will utilise the entire horizontal flying surface area of a model. This means the wings, tailplane, canard, and also the areas these surfaces cover when bridging structures such as the fuselage and nacelles in a multi for example, when calculating the overall loading.

Graham
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Pete Fardell
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« Reply #5 on: January 30, 2018, 01:21:09 PM »

Thanks for clarifying, Graham. That's exactly what Mr Sephton says in the BMFA News, so I probably shouldn't have queried it. It's just that it's not the definition of wing loading I was familiar with.
Hopefully it's all academic anyway (for me at least) as I'm hoping not to get anywhere near the limit, however it's calculated!
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Graham Banham
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« Reply #6 on: February 07, 2018, 02:36:09 AM »

Gentle reminder: I’ve had the grand total of 3 people’s entries for this event so far.........closing date is 23 Feb for receipt of entry forms.
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