Revision 9 thanks again to Mothminor

Part 1 – It seems that the following ADC Cirrus Engines survive in the UK.

ADC Cirrus (I)
– none

ADC Cirrus II
– c/n 276c – (ie ‘C’ Canadian built? – is this an American built ACE Cirrus III?) – in Avro Avian G-EBZM (Static)  -The Aeroplane Collection – Hooton Park, Cheshire
– c/n D1-2 – Science Museum London
– c/n? Vintage Racing Special #44  (car built on a Buick chassis by Frank Cuttell from Mittagong NSW – exported to UK)
– c/n 408? – 1928 G-Type Amilcar (car built by Ian Bingham in UK, ADC Cirrus based on Crankcase/Crankshaft from Hughes Trading Victoria – swapped for sectionised ADC Cirrus I)
– c/n 892 – missing name plate (fitted with ADC Cirrus III Heads  is this a Cirrus II “mod 3?”- or is it a Cirrus III?) – The Aeroplane Collection – Hooton Park
(It is recorded apparently as a Cirrus 2, C/N 892, donated via the Shuttleworth Collection in April 1965)
c/n? Cirrus II for Westland Widgeon restoration – Aero Antiques / MK Aviation

ADC Cirrus III
– c/n 80 DH60 Moth G-EBLV (flying) – Shuttleworth
– c/n ? Static restoration- private owner “CirrusADC/Ralph” KP Forum 2017
-c/n ? Aero antiques / MK Aviation

Cirrus Hermes (I)
– none

Cirrus Hermes II
– c/n F86 – Aeroventure (ex BA Swallow)
– c/n ? – Avro Triplane replica (flying) – Shuttleworth
– c/n ? – DH60X Cirrus Moth G-EBWD (flying) – Shuttleworth
– c/n 241 – Parnell Elf G-AIIN (flying) – Shuttleworth
– c/n? – Desoutter I G-AAPZ (flying) – Shuttleworth
– c/n? – Spartan Arrow G-ABWP (flying)- Redhill
– c/n? for Avro Avian restoration – Aero Antiques / MK Aviation
– c/n? Spare for Avian – Aero Antiques / MK Aviation

Cirrus Hermes IIB (Inverted)
– none

Cirrus Hermes IVa (Inverted)
– none

Blackburn Cirrus Minor (Inverted)
– c/n? – Yorkshire Aviation Museum – Elvington

Blackburn Cirrus Major (Inverted)
– c/n? – Midland Aviation Museum – Coventry

UNK Marks

Part 2 – It seems that the following ADC Cirrus Engines survive outside of the UK.

ADC Cirrus (I)
– c/n 10 (oldest surviving Cirrus Engine) running – private owner – CANADA
– c/n 21 DH 60 Moth G-AUAE Static – private owner – AUST
– c/n 47 – Sectionised Static (swapped from UK for Cirrus II c/n 408) – private owner – AUST

ADC Cirrus II
– c/n ? Cirrus II Avro Avian 581E G-EBOV – Queensland Museum – AUST
– c/n ? Cirrus II – Camden Museum of Aviation – AUST
– c/n mk II 273 – Cirrus II – Moorabbin Air Museum – Victoria – AUST
– c/n mk II 283 – Cirrus II – Powerhouse Museum – AUST
– c/n mk II 390 – Cirrus II  Formerly New England Air Museum – private owner -AUST
– c/n mk II 577 mod 3 – Cirrus II with Cirrus III heads – Formerly Hunter Relics Antiques – private owner – AUST
– c/n mk II 593 – Cirrus II – DH60X Cirrus Moth VH-UAU – Powerhouse Museum – AUST
– c/n ? Westland Widgeon III – VH-UGI (flying) – private owner – AUST
– c/n? Westland Widgeon III VH-UHU (airworthy restoration) – private owner AUST
– c/n? Westland Widgeon III G-AUKA (wreck) – Central Australia Aviation Museum AUST
– c/n? Cirrus II – for Avro Avian restoration – private owner AUST
– c/n? Cirrus II DH60X Cirrus Moth G-CAUA – Canada Aviation Museum – CANADA
– c/n? Cirrus II DH60X Seaplane OH-EJA Aviation Museum of Central Finland – FINLAND
– c/n mk II 448 – Cirrus II – MOTAT – Auckland – NEW ZEALAND

ADC Cirrus III
– c/n? Cirrus III – for Avian restoration – private owner – AUST
– c/n? Cirrus III  – DH60X Cirrus Moth C-CYYG (airworthy) Alberta Av Museum – CANADA
– c/n? Cirrus III – KZ IX Ellehammer replica in the Danmarks Flymuseum – DENMARK
– c/n? Cirrus III – Aviation Museum of Central Finland – FINLAND
– c/n? Cirrus III – Dornier Do12 Libelle VQ-FAB at the Deutsches Museum, Munich – GERMANY
– c/n? Cirrus III – Kalamazoo Aviation History Museum – Kalamazoo – USA
– c/n? Cirrus III – Power of the Past Museum – Georgia – USA
– c/n? Cirrus III – Old Rhinebeck Aerodrome (seemingly recorded erroneously on their website as a 90HP “Cirrus Minor” – it has mk III heads, and  apparent ADC Cirrus embossing on the crankcase?)- New York – USA

Cirrus Hermes (I)
– c/n? Cirrus Hermes I – DH60X Hermes Moth VH-SSC private owner – AUST
– c/n? Cirrus Hermes I – Formerly Walter Kurl Collection – private owner – AUST
– c/n? Cirrus Hermes I – Aviation Museum of Central Finland – FINLAND

Cirrus Hermes II
– none

Cirrus Hermes IVa (Inverted)
– c/n? location unknown – Hermes IV from Blackburn B2 G-ADFV (The Aeroplane Collection)
“was sold to a collector around 15 years ago. He sold it on to a collector in Spain”

ACE Cirrus III (American Cirrus Engine Company)
– c/n 23 ACE Cirrus III – Wings of History Museum – California – USA
– c/n? – ACE Cirrus III – Air Venture Museum – Oshkosh – USA
– c/n? – ACE Cirrus III (Sectionised) – Antique Assn / Airpower Museum – Iowa – USA
– c/n? – ACE Cirrus III – Eagle’s Mere Air Museum – PA – USA

ACE Cirrus (III) High Drive (Inverted)
– c/n 2062 ACE Cirrus High Drive – (flying) Rearwin Speeder 6000 NC15865 – Sonoma Skypark California – USA
 

UNK Marks
– Curtiss-Reid Rambler II replica (fitted with original “Cirrus” engine) at the Montreal Aviation Museum – CANADA

Any more?
Any info to fill in the blanks on those listed above?

Revision 8 thanks again to Mothminor

Part 1 – It seems that the following ADC Cirrus Engines survive in the UK.

ADC Cirrus (I)
– none

ADC Cirrus II
– c/n 276c – (ie ‘C’ Canadian built? – is this an American built ACE Cirrus III?) – in Avro Avian G-EBZM (Static)  -The Aeroplane Collection – Hooton Park, Cheshire
– c/n D1-2 – Science Museum London
– c/n? Vintage Racing Special #44  (car built on a Buick chassis by Frank Cuttell from Mittagong NSW – exported to UK)
– c/n 408? – 1928 G-Type Amilcar (car built by Ian Bingham in UK, ADC Cirrus based on Crankcase/Crankshaft from Hughes Trading Victoria – swapped for sectionised ADC Cirrus I)
– c/n 892 – missing name plate (fitted with ADC Cirrus III Heads  is this a Cirrus II “mod 3?”- or is it a Cirrus III?) – The Aeroplane Collection – Hooton Park
(It is recorded apparently as a Cirrus 2, C/N 892, donated via the Shuttleworth Collection in April 1965)
c/n? Cirrus II for Westland Widgeon restoration – Aero Antiques / MK Aviation

ADC Cirrus III
– c/n 80 DH60 Moth G-EBLV (flying) – Shuttleworth
– c/n ? Static restoration- private owner “CirrusADC/Ralph” KP Forum 2017
-c/n ? Aero antiques / MK Aviation

Cirrus Hermes (I)
– none

Cirrus Hermes II
– c/n F86 – Aeroventure (ex BA Swallow)
– c/n ? – Avro Triplane replica (flying) – Shuttleworth
– c/n ? – DH60X Cirrus Moth G-EBWD (flying) – Shuttleworth
– c/n 241 – Parnell Elf G-AIIN (flying) – Shuttleworth
– c/n? – Desoutter I G-AAPZ (flying) – Shuttleworth
– c/n? – Spartan Arrow G-ABWP (flying)- Redhill
– c/n? for Avro Avian restoration – Aero Antiques / MK Aviation
– c/n? Spare for Avian – Aero Antiques / MK Aviation

Cirrus Hermes IIB (Inverted)
– none

Cirrus Hermes IVa (Inverted)
– none

Blackburn Cirrus Minor (Inverted)
– c/n? – Yorkshire Aviation Museum – Elvington

UNK Marks

Part 2 – It seems that the following ADC Cirrus Engines survive outside of the UK.

ADC Cirrus (I)
– c/n 10 (oldest surviving Cirrus Engine) running – private owner – CANADA
– c/n 21 DH 60 Moth G-AUAE Static – private owner – AUST
– c/n 47 – Sectionised Static (swapped from UK for Cirrus II c/n 408) – private owner – AUST

ADC Cirrus II
– c/n ? Cirrus II Avro Avian 581E G-EBOV – Queensland Museum – AUST
– c/n ? Cirrus II – Camden Museum of Aviation – AUST
– c/n mk II 273 – Cirrus II – Moorabbin Air Museum – Victoria – AUST
– c/n mk II 283 – Cirrus II – Powerhouse Museum – AUST
– c/n mk II 390 – Cirrus II  Formerly New England Air Museum – private owner -AUST
– c/n mk II 577 mod 3 – Cirrus II with Cirrus III heads – Formerly Hunter Relics Antiques – private owner – AUST
– c/n mk II 593 – Cirrus II – DH60X Cirrus Moth VH-UAU – Powerhouse Museum – AUST
– c/n ? Westland Widgeon III – VH-UGI (flying) – private owner – AUST
– c/n? Westland Widgeon III VH-UHU (airworthy restoration) – private owner AUST
– c/n? Westland Widgeon III G-AUKA (wreck) – Central Australia Aviation Museum AUST
– c/n? Cirrus II – for Avro Avian restoration – private owner AUST
– c/n? Cirrus II DH60X Cirrus Moth G-CAUA – Canada Aviation Museum – CANADA
– c/n? Cirrus II DH60X Seaplane OH-EJA Aviation Museum of Central Finland – FINLAND
– c/n mk II 448 – Cirrus II – MOTAT – Auckland – NEW ZEALAND

ADC Cirrus III
– c/n? Cirrus III – for Avian restoration – private owner – AUST
– c/n? Cirrus III  – DH60X Cirrus Moth C-CYYG (airworthy) Alberta Av Museum – CANADA
– c/n? Cirrus III – KZ IX Ellehammer replica in the Danmarks Flymuseum – DENMARK
– c/n? Cirrus III – Aviation Museum of Central Finland – FINLAND
– c/n? Cirrus III – Dornier Do12 Libelle VQ-FAB at the Deutsches Museum, Munich – GERMANY
– c/n? Cirrus III – Kalamazoo Aviation History Museum – Kalamazoo – USA
– c/n? Cirrus III – Power of the Past Museum – Georgia – USA
– c/n? Cirrus III – Old Rhinebeck Aerodrome (seemingly recorded erroneously on their website as a 90HP “Cirrus Minor” – it has mk III heads, and  apparent ADC Cirrus embossing on the crankcase?)- New York – USA

Cirrus Hermes (I)
– c/n? Cirrus Hermes I – DH60X Hermes Moth VH-SSC private owner – AUST
– c/n? Cirrus Hermes I – Formerly Walter Kurl Collection – private owner – AUST
– c/n? Cirrus Hermes I – Aviation Museum of Central Finland – FINLAND

Cirrus Hermes II
– none

Cirrus Hermes IVa (Inverted)
– c/n? location unknown – Hermes IV from Blackburn B2 G-ADFV (The Aeroplane Collection)
“was sold to a collector around 15 years ago. He sold it on to a collector in Spain”

ACE Cirrus III (American Cirrus Engine Company)
– c/n 23 ACE Cirrus III – Wings of History Museum – California – USA
– c/n? – ACE Cirrus III – Air Venture Museum – Oshkosh – USA
– c/n? – ACE Cirrus III (Sectionised) – Antique Assn / Airpower Museum – Iowa – USA
– c/n? – ACE Cirrus III – Eagle’s Mere Air Museum – PA – USA

ACE Cirrus (III) High Drive (Inverted)
– c/n 2062 ACE Cirrus High Drive – (flying) Rearwin Speeder 6000 NC15865 – Sonoma Skypark California – USA
 

UNK Marks
– Curtiss-Reid Rambler II replica (fitted with original “Cirrus” engine) at the Montreal Aviation Museum – CANADA

Any more?
Any info to fill in the blanks on those listed above?

 

Although its signage describes it as a Cirrus I, this is not an ADC Cirrus engine but seemingly either a late model Cirrus Hermes (inverted engine) or even a Blackburn Cirrus Major/Minor (inverted engine).

It has massive V shaped bracing moulded into the crankcase “below” the engine mount blocks, the carb/air intake is on the RHS of the inverted engine and the starter motor is mounted vertically at RHS rear, features that should make it easily identified?

I will try to identify it against my manuals, it seems to be missing its reduction gear cover at the front?

I have checked my manuals, its NOT a Blackburn Cirrus Major

It IS a Blackburn Cirrus Minor

By: Mothminor – 10th November 2023 at 15:37 

Also the KZ IX Ellehammer replica in the Danmarks Flymuseum at Stauning is listed as having a Cirrus Hermes engine –

https://www.flymuseum.dk/our-planes?id=189:kz-ix-ellehammer&catid=34

Better photo here –

https://www.oy-reg.dk/billeder/l1277.jpg

Yes thats certainly an ADC Cirrus engine of some sort

I am not sure its a Cirrus Hermes as the sump is a symmetrical V shape, consistent with the original ADC Cirrus I, II and III, where as the Hermes has a more rectangular sump?

The Heads are difficult to see even when the image is zoomed in, but to my eye they seem to be Cirrrus III heads, so again either a late Cirrus II with Cirrus III heads, or a Cirrus III?

Thanks

Revision 6 thanks Mothminor

Part 1 – It seems that the following ADC Cirrus Engines survive in the UK.

ADC Cirrus (I)
– none

ADC Cirrus II
– c/n 276c – (ie ‘C’ Canadian built? – is this an American built ACE Cirrus III?) – in Avro Avian G-EBZM (Static)  -The Aeroplane Collection – Hooton Park, Cheshire
– c/n D1-2 – Science Museum London
– c/n? Vintage Racing Special #44  (car built on a Buick chassis by Frank Cuttell from Mittagong NSW – exported to UK)
– c/n 408? – 1928 G-Type Amilcar (car built by Ian Bingham in UK, ADC Cirrus based on Crankcase/Crankshaft from Hughes Trading Victoria – swapped for sectionised ADC Cirrus I)
– c/n 892 – missing name plate (fitted with ADC Cirrus III Heads  is this a Cirrus II “mod 3?”- or is it a Cirrus III?) – The Aeroplane Collection – Hooton Park
(It is recorded apparently as a Cirrus 2, C/N 892, donated via the Shuttleworth Collection in April 1965)
c/n? Cirrus II for Westland Widgeon restoration – Aero Antiques / MK Aviation

ADC Cirrus III
– c/n 80 DH60 Moth G-EBLV (flying) – Shuttleworth
– c/n ? Static restoration- private owner “CirrusADC/Ralph” KP Forum 2017
-c/n ? Aero antiques / MK Aviation

Cirrus Hermes (I)
– none

Cirrus Hermes II
– c/n F86 – Aeroventure (ex BA Swallow)
– c/n ? – Avro Triplane replica (flying) – Shuttleworth
– c/n ? – DH60X Cirrus Moth G-EBWD (flying) – Shuttleworth
– c/n 241 – Parnell Elf G-AIIN (flying) – Shuttleworth
– c/n? – Desoutter I G-AENP (flying) – Shuttleworth
– c/n? – Spartan Arrow G-ABWP (flying)- Redhill
– c/n? for Avro Avian restoration – Aero Antiques / MK Aviation
– c/n? Spare for Avian – Aero Antiques / MK Aviation

Cirrus Hermes IIB (Inverted)
– none

Cirrus Hermes IVa (Inverted)
– none

UNK Marks
 

Part 2 – It seems that the following ADC Cirrus Engines survive outside of the UK.

ADC Cirrus (I)
– c/n 10 (oldest surviving Cirrus Engine) running – private owner – CANADA
– c/n 21 DH 60 Moth G-AUAE Static – private owner – AUST
– c/n 47 – Sectionised Static (swapped from UK for Cirrus II c/n 408) – private owner – AUST

ADC Cirrus II
– c/n ? Cirrus II Avro Avian 581E G-EBOV – Queensland Museum – AUST
– c/n ? Cirrus II – Camden Museum of Aviation – AUST
– c/n mk II 273 – Cirrus II – Moorabbin Air Museum – Victoria – AUST
– c/n mk II 283 – Cirrus II – Powerhouse Museum – AUST
– c/n mk II 390 – Cirrus II  Formerly New England Air Museum – private owner -AUST
– c/n mk II 577 mod 3 – Cirrus II with Cirrus III heads – Formerly Hunter Relics Antiques – private owner – AUST
– c/n mk II 593 – Cirrus II – DH60X Cirrus Moth VH-UAU – Powerhouse Museum – AUST
– c/n ? Westland Widgeon III – VH-UGI (flying) – private owner – AUST
– c/n? Westland Widgeon III VH-UHU (airworthy restoration) – private owner AUST
– c/n? Westland Widgeon III G-AUKA (wreck) – Central Australia Aviation Museum AUST
– c/n? Cirrus II – for Avro Avian restoration – private owner AUST
– c/n? Cirrus II DH60X Cirrus Moth G-CAUA – Canada Aviation Museum – CANADA
– c/n? Cirrus II DH60X Seaplane OH-EJA Aviation Museum of Central Finland – FINLAND
– c/n mk II 448 – Cirrus II – MOTAT – Auckland – NEW ZEALAND

ADC Cirrus III
– c/n? Cirrus III – for Avian restoration – private owner – AUST
– c/n? Cirrus III DH60X Cirrus Moth C-CYYG (airworthy) Alberta Av Museum – CANADA
– c/n? Cirrus III – Aviation Museum of Central Finland – FINLAND
– c/n? Cirrus III – Dornier Do12 Libelle VQ-FAB at the Deutsches Museum, Munich – GERMANY
– c/n? Cirrus III – Kalamazoo Aviation History Museum – Kalamazoo – USA
– c/n? Cirrus III – Power of the Past Museum – Georgia – USA
– c/n? Cirrus III – Old Rhinebeck Aerodrome (seemingly recorded erroneously on their website as a 90HP “Cirrus Minor” – it has mk III heads, and  apparent ADC Cirrus embossing on the crankcase?)- New York – USA

Cirrus Hermes (I)
– c/n? Cirrus Hermes I – DH60X Hermes Moth VH-SSC private owner – AUST
– c/n? Cirrus Hermes I – Formerly Walter Kurl Collection – private owner – AUST
– c/n? Cirrus Hermes I – Aviation Museum of Central Finland – FINLAND

Cirrus Hermes II
– none

Cirrus Hermes IVa (Inverted)
– c/n? location unknown – Hermes IV from Blackburn B2 G-ADFV (The Aeroplane Collection)
“was sold to a collector around 15 years ago. He sold it on to a collector in Spain”

ACE Cirrus III (American Cirrus Engine Company)
– c/n 23 ACE Cirrus III – Wings of History Museum – California – USA
– c/n? – ACE Cirrus III – Air Venture Museum – Oshkosh – USA
– c/n? – ACE Cirrus III (Sectionised) – Antique Assn / Airpower Museum – Iowa – USA
– c/n? – ACE Cirrus III – Eagle’s Mere Air Museum – PA – USA

ACE Cirrus (III) High Drive (Inverted)
– c/n 2062 ACE Cirrus High Drive – (flying) Rearwin Speeder 6000 NC15865 – Sonoma Skypark California – USA
 

UNK Marks
– Curtiss-Reid Rambler II replica (fitted with original “Cirrus” engine) at the Montreal Aviation Museum – CANADA

Any more?
Any info to fill in the blanks on those listed above?