Cri-Cri (Cricket) Engine??

trl0219

Newbie
Joined
Jan 31, 2010
Messages
67
Location
Wilson, NC
Sorry for the off topic question, but does anybody know what those engines are on the Cri-Cri plane? I saw the video and it is really bugging me.
Tim
 

Heather Poe

Gold Supporter
Joined
Jun 10, 2004
Messages
665
Location
Redmond, WA
Aircraft
Building a Sparrowhawk II
Total Flight Time
35
http://flight.cz/cricri/english/cri-cri-faq.php
http://www.flight.cz/cricri/english/cri-cri-technical-description.php

Engines are used very different plane by plane. Common are engines from lawnmower, motor-cycles, and also from RC models. Also was installed jet power. Average prop size is about 70 cm, and power of each engines are between 9 and 20 PS. Nowadays, builders are using engines Valmet, JPX, Limbach, 3W, Rotax, Zenoah, Hirth, and I am glad to see, that are recommended also Czech ZDZ Model.
 

danmcgee

Newbie
Joined
Dec 1, 2008
Messages
678
Location
Prince George VA.
Aircraft
Phantom, Zenair 701
Total Flight Time
140
Why yes I do because I am building one. Those engines are 15HP JPX PUL 212 single cylinder motors. I most likely will be using the 3W motors. Here are some links to the engines. The single cylenders need to be lower HP so you do not get alot of vibration, the small 17HP boxers are great motors more balaced and more powere. The Cri Cri must have a true 15HP to sustain level flight with the 17HP 3W and some of the other boxers on the list you are safe even if you lose one engine,. You can still fly safely and land safely.

http://www.aircraftinternational.com/Homepage.aspx
http://www.3w-modellmotoren.com/katalog/motoren-motorkombo-33/3w-28i-motor-kombo.html
http://www.probuild-uk.co.uk/index1.php
http://www.cactusaviation.com/index.html

and I will try to attach an excell file with even more options for you.

Fell free to contact me for more information about ther Cri CRi.

Dan
 

Attachments

Last edited:

Terry

Newbie
Joined
May 1, 2009
Messages
893
Location
Snohomish, WA
I just happen to have a set of unnumbered CriCri plans. I think they are what's called the Argentina plans.
 

danmcgee

Newbie
Joined
Dec 1, 2008
Messages
678
Location
Prince George VA.
Aircraft
Phantom, Zenair 701
Total Flight Time
140
Colombian Cri Cri plans they are a free download in several places if for them and thwere is a yahoogroup that you can just get everything you could ever want to know and need to build your own Cri cri here is the address.
'
http://groups.yahoo.com/group/cricridrawings/

once you register give it a day and you will have access to everything.

Dan

Fiveboy why don't you build one?
 

Resasi

Gold Supporter
Joined
Jul 2, 2007
Messages
7,336
Location
London/ Kilifi Kenya
Aircraft
Gyrs, RAF 2000/Mgni/Bnsn/Hrnet/Mrlin/Crckt/MT-03/Lyzlle AV18-A/Prdtor. Pax ArrowCopter
Total Flight Time
100+ gyro, 16,000+ other
Dan did you consider the turbines. What a blast a twin jet that size.
 

trl0219

Newbie
Joined
Jan 31, 2010
Messages
67
Location
Wilson, NC
Thanks a lot everybody. This might just be my next project. What size turibines would be sufficient? Where can i get them?

Tim
 

danmcgee

Newbie
Joined
Dec 1, 2008
Messages
678
Location
Prince George VA.
Aircraft
Phantom, Zenair 701
Total Flight Time
140
I did consider them, the turbin must fit the same requirments as the standrad prop engines without the care for prop tips going supersonic. However there is a trust treshold for the fuselage that can not be exceeded. Here is a copny that you could het a turbin from if you wanted to go that direction.

http://wrenturbines.co.uk/home
http://www.amtjets.com/index.php

There is two places you could get a turbin from for a Cri Cri.

I am using a gas prop for sinplicity and reliability.

Dan
 

danmcgee

Newbie
Joined
Dec 1, 2008
Messages
678
Location
Prince George VA.
Aircraft
Phantom, Zenair 701
Total Flight Time
140
they are rated at 18HP @ 9700 rpms I do belive the prop tips would go supersonic needs to develop full power at around 6200 rpms.

It is consiedred a single engine as designed. each engine providing only hlaf the power needed for clean flow, however having said that it is the only small aircraft of this size approved by the FAA for acrobatic flight with a max of 10G.

I will need to get more information about this but that is ok I will build it anyway just love the challange.

Dan
 

shashanknano

Newbie
Joined
Sep 25, 2011
Messages
1
Location
New Delhi
Please dont get get me wrong... But DAN I LOVE YOU!!!!!

Thanks for the link... I have been searching for these blueprints for so much time now!!!! Thank you soooooo much!!!!
 

ultracruiser41

Gold Member
Joined
Nov 2, 2003
Messages
2,558
Location
NC
Aircraft
Cavalon,Snobird+, Ryan PT 22,Eagle 150B, Titan T51, Thatcher CX4, Radial Rocket Gyro, HummelBird
Total Flight Time
Too many to count
You can use the Cri Cri to build multi engine hours.
 

WHY

Gold Member
Joined
Jun 13, 2005
Messages
4,384
Location
miami,oklahoma
Aircraft
Ercoupe and Cessna 150, 152, 172, 140, Aeronca,7ac, Citabria,Chief,Piper PA11,PA12
Total Flight Time
215
Can you imagine what the radio conversation with a tower might sound like from someone in a Cri Cri with turbines, "Tower the is experimental twin jet 10 miles out over marker -----------????????????????

Tony
 

Mellux

Newbie
Joined
Jul 8, 2019
Messages
14
Location
Pompano Beach
Why yes I do because I am building one. Those engines are 15HP JPX PUL 212 single cylinder motors. I most likely will be using the 3W motors. Here are some links to the engines. The single cylenders need to be lower HP so you do not get alot of vibration, the small 17HP boxers are great motors more balaced and more powere. The Cri Cri must have a true 15HP to sustain level flight with the 17HP 3W and some of the other boxers on the list you are safe even if you lose one engine,. You can still fly safely and land safely.

http://www.aircraftinternational.com/Homepage.aspx
http://www.3w-modellmotoren.com/katalog/motoren-motorkombo-33/3w-28i-motor-kombo.html
http://www.probuild-uk.co.uk/index1.php
http://www.cactusaviation.com/index.html

and I will try to attach an excell file with even more options for you.

Fell free to contact me for more information about ther Cri CRi.

Dan
I know you wrote this in 2010 but, what would be the best engine from 3w engines? And also which cylinder 1 2 3 or 4.
 

Mellux

Newbie
Joined
Jul 8, 2019
Messages
14
Location
Pompano Beach
Why yes I do because I am building one. Those engines are 15HP JPX PUL 212 single cylinder motors. I most likely will be using the 3W motors. Here are some links to the engines. The single cylenders need to be lower HP so you do not get alot of vibration, the small 17HP boxers are great motors more balaced and more powere. The Cri Cri must have a true 15HP to sustain level flight with the 17HP 3W and some of the other boxers on the list you are safe even if you lose one engine,. You can still fly safely and land safely.

http://www.aircraftinternational.com/Homepage.aspx
http://www.3w-modellmotoren.com/katalog/motoren-motorkombo-33/3w-28i-motor-kombo.html
http://www.probuild-uk.co.uk/index1.php
http://www.cactusaviation.com/index.html

and I will try to attach an excell file with even more options for you.

Fell free to contact me for more information about ther Cri CRi.

Dan
Does each engine have to be 15 horsepower?
 

Jean Claude

Junior Member
Joined
Jan 2, 2009
Messages
1,900
Location
Centre FRANCE
Aircraft
I piloted gliders C800, Bijave, C 310, airplanes Piper J3 , PA 28, Jodel D117, DR 220, Cessna 150, C
Total Flight Time
About 500 h (FW + ultra light)
CriCri can still flight level with only one engine JPX PUL 212 of 15 hp
Prototype was two engine VALMET of 9 HP
 

ultracruiser41

Gold Member
Joined
Nov 2, 2003
Messages
2,558
Location
NC
Aircraft
Cavalon,Snobird+, Ryan PT 22,Eagle 150B, Titan T51, Thatcher CX4, Radial Rocket Gyro, HummelBird
Total Flight Time
Too many to count
I was installing 2 Moki Radials. Sold plane before finishing it.
 
Top