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WHRF Hosting Large Scale Aerobatics PDF Print E-mail
Written by Administrator   
Tuesday, 22 March 2011 18:30

Please note :

On Sunday 13th May'12 WHRF will be hosting a LSA (Large Scale Aerobatics) event. Hence field closure for regular flying from 9am to 2pm. Spectators are welcome.

 

 

 
Last Updated on Thursday, 03 May 2012 13:20
 
CG Calculator for Delta Wings PDF Print E-mail
Written by Administrator   
Monday, 14 February 2011 14:25

Simple calculator for determining The CG distance from the Leading edge at the root chords when the percent MAC is known.

Enter Root Chord (A):
Enter Tip Chord (b):
Enter Sweep Distance (S):
Enter Half Span (Y):
Enter %MAC balance Point:
Sweep Distance @ MAC (C) =
Mean Aerodynamic Chord (MAC) =
MAC Distance from Root (d) =
balance Point @ Root Chord (CG)=

Note:
A 25% of MAC is generally accepted as a good starting point for the CG of a conventional tailed aircraft. The normal range most often falls between 25-30% of MAC

Use this calculator to determine percent of MAC for a given CG

Enter Root Cord (A):
Enter Tip Cord (b):
Enter Sweep Distance (S):
Enter Half Span (Y):
Enter Center of Gravity (CG):
Sweep Distance @ MAC (C) =
Mean Aerodynamic Cord (MAC) =
MAC Distance from Root (d) =
% Mean Aerodynamic Cord (%MAC) =
Last Updated on Monday, 14 February 2011 14:36
 
Large Scale Schedules Updated for 2012 PDF Print E-mail
Written by Pug   
Wednesday, 04 January 2012 09:46

 

The latest Large Scale Schedules are available for download !

The Provisional Large Scale Calendar for 2012 is as follows:

12 February Barnstormers

18 March Extreme Radio Flyers

6,7,8,9 April RMAC Nationals (combined LSA, Scale, Pylon)

13 May Henley

10 June JOMAC

5 August Barnstormers

16 September White Hills

3,4 November RMAC (TOC)
Last Updated on Wednesday, 04 January 2012 09:55
 
LSA Narrative Available For 2011/12 Schedules PDF Print E-mail
Written by Pug   
Monday, 06 February 2012 08:46

The Large Scale Narrative for 2011/12 is available for download. Please have a look under 'Large Scale Menu Item' in the downloads section.

This is a description with comments of every sequence in a particular schedule class. e.g. Sportsman, Intermediate, etc.
Last Updated on Monday, 06 February 2012 08:53
 
Joining Fees and Application form
Tuesday, 22 June 2010 07:26

Here is the new fee structure for 2012.

Seniors : R650 Joining / R650 yearly fee

Pensioner : R450 Joining / R450 yearly fee

Veteran : R450 yearly fee

Junior : R325 Joining / R325 yearly fee

Day visitor : R100 landing fee.

 

Bank Details :

 

  • Standard Bank
  • Sandton Branch
  • Branch 019205
  • Account 22-074-519-6

 

Use your Initials & Surname as reference.

Please include your proof of deposit with the application form.

  • Application Form available for download.
  • Click on the Downloads option on the Main Menu or Click Here to download the form in PDF format.

Regards Victor.
 
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