AUSTRALIAN NATIONAL RULES listed as an approved engine:
Parra 2.5 SSC for VINGATE COMBAT (Australian rules)
Parra 2.5 SSC, ABC or AAC for CLASIC FAI TEAM RACE
BRITISH MODEL FLIGHT ASSOSIATION (BMFA)
BMFA listed as an aproved engine:
Parra Tiger 3 (T3) for VINTAGE TEAM RACING and OLIVER COMBAT
Parra Tiger 4 (T4) for VINTAGE COMBAT
Parra 2,5 ABC- AAC for EURO-COMBAT
W. AUSTRALIAN CHAMPION 2016- CLASSIC FAI with T3 engine
PARRA 2.5 AAC and ABC DIESEL ENGINES DOMINATED AND FINISHED 1,2 & 3
IN FORMULA 15 RACE SPANISH NATIONALS 2015
FIRST AND SECOND PLACE AT SPANISH NATIONALS 2015 EVENT (BARCELONA)
WITH PARRA 2,5 AAC Diesel & Glow engines
FIRST PLACE EURO-COMBAT AT DARLEY MOOR INTERNATIONAL 2015 EVENT
(ASHBOURNE - DERBYSHIRE) WITH PARRA 2.5 cc ABC engine
PARRA 2.5 AAC DIESEL ENGINES DOMINATED AND FINISHED 1,2 & 3
IN CLASSIC FAI TEAM RACE AUSTRALIAN 2014 CHAMPIONSHIP
NEW BRITISH NATIONAL RECORD OF WEATHERMAN SPEED - 2014
WITH PARRA WASP 1.5 AAC GLOW ENGINE WAS 104,9% OF PREIOUS RECORD
SPEED RECORD USING MS-PARRA F2D COMBAT ENGINE:
" I am using it in a ‘Perky’ Speed model and it has to run on suction. No pressure feed allowed. I attach a photo of the model. Its the first Perky outside USA to exceed 100 mph (104 mph) and I know it can go faster!. I modified the existing MS Venturi by fitting a ‘wick feed’ tube/pipe from the fuel supply gallery by the needle valve…" Peter Fox (GBR)