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Posted

Martinsyde Semiquaver Alula. The Martinsyde was originally built as a biplane, the Alula mono wing was designed by a Dutchman, Alexander Albert Holle, and fitted to the Semiquaver for testing purposes.

The Alula wing produced adverse handling results on the ground, making the aircraft top heavy - and coupled with a narrow track undercarriage, the arrangement was deemed unsatisfactory.

The Semiquaver Alula was entered into the 1921 Aerial Derby (on July 16th), but the Semiquavers regular pilot, Frank Courtney, refused to fly the machine, claiming it was dangerous.

The undercarriage was later widened and the aircraft flown on August 27, 1921 by R. W. Kenworthy. The takeoff speed was reported as being an excessive 110mph. The Alula wing was later removed, and the aircraft was converted back to a biplane.

  • Informative 2
Posted

Wow, I thought that was an obscure one.

 

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  • 6 months later...
Posted

He's the misfit that cops all the $#!t but still somehow manages to hang in there. Hence My choice of avatar.  Nev

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Posted

keep up the good work up FH - with plus 32k posts you are sure to attract some attention ........ most of it good (most of us hope)

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  • 9 months later...
Posted

According to Rego Research, it's an Aero Concept Firekracker

  • Agree 1
Posted

Thought it may have been "Das Ugly Stik" - older RC builders may remember that plane 

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Posted (edited)

it's definitely not an Aero Concept Firekracker, but I have absolutely no idea what it is. I guess the puzzling part is, the weird combination of design ideas in it - from the German WW1 Maltese Cross symbols, right through to the a**-dragging underslung pilot seating position, and the radial engine cowling, which hides a horizontally opposed HKS engine.

Then there's the fake bomb mounted between the landing gear - it obviously has military connotations.

 

It's almost like the designer aimed to achieve a blend of historic and modern design, all in the one unit. I'd hazard a guess it probably flies quite well, and is inherently stable like a C172.

But it must be a bit unnerving on landing to be nearly dragging your bum on the ground, like riding in a early Mini Minor.

Plus, that huge obstruction in the form of the support directly in front of the pilot must be annoying, and even bordering on dangerous. I'll wager only one has been built.

 

It kind of reminds of the 1929 McClary A Motor Glider - which seems to have no reports on whether it even got airborne, or if it did, how well it performed.

 

https://1000aircraftphotos.com/Contributions/Shumaker/6191.htm

 

 

Edited by onetrack
Posted

C-IFKQ Canadian Aircraft Registration Details

Here are the Canadian aviation rego search results for 'C-IFKQ'.
The aircraft registration database was last refreshed from the Canadian Civil Aircraft Register (CCAR) on 09/Dec/2025

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Aircraft Type

Manufacturer: AERO CONCEPT
Model: FIREKRACKER
Serial: 2000016-3

Owners

Multiple Owner: No
Date Record Modified: 23 Jun 2017
Full Name: J & J Aero Concept Inc
Owner Type:  

Airframe

Manufactured or Assembled: Manufactured
Year Manufactured: 2016
Country Manufactured: CANADA
No. Of Seats: 1
MTOW: 476 Kgs

Engines

No. Engines: 1
Manufacturer: HKS JAPAN
Engine Category: Piston
Power Glider: No

Certification

Registration Status: Registered
Purpose of Registration: Private
Category: Aeroplane
Certification Type: Continuing Registration
Type Certificate:  
Certification Basis: Basic Ultra-light
Sale Reported: No
Date of Import:  
Issue Date: 23 Jun 2017
Effective Date: 23 Jun 2017
Expire Date:  
Flight Authority:  
Base of Operations Country: CANADA
Base Location: St-Lamber Levis
File Location Region: Dorval
Ex Military:  
  • Informative 1
Posted
45 minutes ago, onetrack said:

it's definitely not an Aero Concept Firekracker

C-IFKQ.jpg.cfc2dffeba51c8917b7de26f212fa312.jpg

 

I read this as C-IFKQ which is the Firekracker. If read as C-IFRQ. RegoSearch says that is a Six-Chuter SKYE RYDER AEROCHUTE. Certainly does not look like an Aerochute.

  • Like 1
  • Informative 1
Posted (edited)
1 hour ago, onetrack said:

it's definitely not an Aero Concept Firekracker, but I have absolutely no idea what it is. I guess the puzzling part is, the weird combination of design ideas in it - from the German WW1 Maltese Cross symbols, right through to the a**-dragging underslung pilot seating position, and the radial engine cowling, which hides a horizontally opposed HKS engine.

Then there's the fake bomb mounted between the landing gear - it obviously has military connotations.

 

It's almost like the designer aimed to achieve a blend of historic and modern design, all in the one unit. I'd hazard a guess it probably flies quite well, and is inherently stable like a C172.

But it must be a bit unnerving on landing to be nearly dragging your bum on the ground, like riding in a early Mini Minor.

Plus, that huge obstruction in the form of the support directly in front of the pilot must be annoying, and even bordering on dangerous. I'll wager only one has been built.

 

It kind of reminds of the 1929 McClary A Motor Glider - which seems to have no reports on whether it even got airborne, or if it did, how well it performed.

 

https://1000aircraftphotos.com/Contributions/Shumaker/6191.htm

 

 

Is this cut and paste or your own thoughts.

Because I have to disagree.

It looks like it would be a pig to fly.

Short tail boom, tailwheel . No dihedral that I can see. Pilot weight would have a large effect on c of g I think plus leaning to one side to see.

No thanks.

And I am a highly experienced pilot too. I have flown 3 xairs, each one a different colour.

Edited by BrendAn
  • Like 2
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  • Informative 1
Posted (edited)

I don't cut and paste, I write everything I put up myself. If I do put up anyone elses work, I put it in quotation marks, which is the correct thing to do. I'm simply expressing my opinion, not making statements, and claiming them to be irrefutable.

 

Feel free to disagree without rancour or snarkiness, that's the basis of all civilised discussion.

 

Edited by onetrack
  • Like 1
  • Informative 1
Posted

Red, there's no record of any company or organisation in Canada called J & J Aero Concept Inc - so they must be defunct as regards being currently in business.

 

Either that, they are located in Quebec and have only a record available in the French language. The Quebecois like to consider themselves distinctly separate, rather than Canadian.

  • Like 1
Posted
5 minutes ago, onetrack said:

I don't cut and paste, I write everything I put up myself. If I do put up anyone elses work, I put it in quotation marks, which is the correct thing to do. I'm simply expressing my opinion, not making statements, and claiming them to be irrefutable.

 

Feel free to disagree without rancour or snarkiness, that's the basis of all civilised discussion.

 

It was a simple question, I didn't know if it was your words or not. I didn't mean to upset you.

  • Like 1
Posted

Web search for company name brings up this website in French:

 

J & J AÉRO CONCEPT INC.
Cancel
est inactive

Société par actions ou compagnie

Québec (Canada) • 11 juin 2009 (il y a 17 ans)

  • Like 1
Posted

O.K., so that explains a lot, it was a company based in Quebec, but it has been cancelled and is now inactive.

  • Like 1
Posted

Looks as though it would tip over if you turned sharply when taxiing. I wouldn't attempt to fly it under any circumstances. Nev

  • Like 2
  • Informative 1

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