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Cox Engine of The Month
Could you help me choose a model for a 0.8 engine ?
Page 1 of 1
Could you help me choose a model for a 0.8 engine ?
Hi everyone. My name's Mehdi. I'm a 36yo french man who recently started to discover the cox engines world.
I bought some old 0.8 motors to restore, and now I have one finished and running.
I would like to install it on a plane, possibly on something that won't be crazy fast. But I'm affraid tiny wingspan like this can only be fast ? Or can I achieve some " cruising " with moderate RPM ?
Do I necessarly need to install it on a way bigger wingspan, to enjoy "trainer" like flight characteristics ?
Thanks for reading me and for any opinion that will help me before I purchase anything !
Happy flying everyone !
I bought some old 0.8 motors to restore, and now I have one finished and running.
I would like to install it on a plane, possibly on something that won't be crazy fast. But I'm affraid tiny wingspan like this can only be fast ? Or can I achieve some " cruising " with moderate RPM ?
Do I necessarly need to install it on a way bigger wingspan, to enjoy "trainer" like flight characteristics ?
Thanks for reading me and for any opinion that will help me before I purchase anything !
Happy flying everyone !
Mehdi- Moderate Poster
- Posts : 13
Join date : 2021-11-03
Hello and Welcome Mehdi
Hello and Welcome Mehdi,
The photo of the engine you have is of a Cox .049 engine.
If you are looking for a nice trainer type of plane to mount your Cox engine in, you could try a Tomboy airplane.
The airplane is easy to build and flies well as a trainer.
It is simple to build and cover and a gentle flier.
I have this plane in 6 different sizes. (36 inches, 44 inches, 48 inches, 54 inches, 60 inches, and 72 inches)
Here is a web page for the plans though the plans here are for free flight.
https://outerzone.co.uk/plan_details.asp?ID=285
Here are the same plane but the plans enlarged for a bigger engine, and has been modified for radio control.
https://outerzone.co.uk/plan_details.asp?ID=12755
Or, you can purchase the 36 inch Tomboy kit from Belair kit:
http://belairkits.com/detail.asp?id=594
One last thing -----
Here is a link to a video of a Tomboy in flight with a .049 diesel though the Cox engine will do just a well.
click on the wording below:
36" wing span Tomboy with .049 diesel engine
The photo of the engine you have is of a Cox .049 engine.
If you are looking for a nice trainer type of plane to mount your Cox engine in, you could try a Tomboy airplane.
The airplane is easy to build and flies well as a trainer.
It is simple to build and cover and a gentle flier.
I have this plane in 6 different sizes. (36 inches, 44 inches, 48 inches, 54 inches, 60 inches, and 72 inches)
Here is a web page for the plans though the plans here are for free flight.
https://outerzone.co.uk/plan_details.asp?ID=285
Here are the same plane but the plans enlarged for a bigger engine, and has been modified for radio control.
https://outerzone.co.uk/plan_details.asp?ID=12755
Or, you can purchase the 36 inch Tomboy kit from Belair kit:
http://belairkits.com/detail.asp?id=594
One last thing -----
Here is a link to a video of a Tomboy in flight with a .049 diesel though the Cox engine will do just a well.
click on the wording below:
36" wing span Tomboy with .049 diesel engine
Last edited by sosam117 on Wed Nov 03, 2021 10:16 am; edited 1 time in total (Reason for editing : misspelling)
sosam117- Diamond Member
- Posts : 1326
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
Re: Could you help me choose a model for a 0.8 engine ?
Hello sosam117 and thank you for your message.
The Tomboy is exactly what I'm looking for, and I notice your smaller one has a 36 inches wingspan.
Have you seen smaller ones ? I guess the small models I showed are totally not suitable for a .049 engine then.
The video link was wonderful !
The Tomboy is exactly what I'm looking for, and I notice your smaller one has a 36 inches wingspan.
Have you seen smaller ones ? I guess the small models I showed are totally not suitable for a .049 engine then.
The video link was wonderful !
Mehdi- Moderate Poster
- Posts : 13
Join date : 2021-11-03
Re: Could you help me choose a model for a 0.8 engine ?
Mehdi,
The little planes you had photo of are more for small Cox engines like the .020 Pee Wee or better yet is the Cox .010 engine.
But what I have found out is the smaller the planes are, the tricker they are to fly because of the real small size.
The Cox Pee Wee engine is good for planes from 30 to 36 inch wing spans.
As for a Tomboy smaller than 36", no I have not seen one built that small.
Though you could reduce the plans to any small size you would want?
The little planes you had photo of are more for small Cox engines like the .020 Pee Wee or better yet is the Cox .010 engine.
But what I have found out is the smaller the planes are, the tricker they are to fly because of the real small size.
The Cox Pee Wee engine is good for planes from 30 to 36 inch wing spans.
As for a Tomboy smaller than 36", no I have not seen one built that small.
Though you could reduce the plans to any small size you would want?
sosam117- Diamond Member
- Posts : 1326
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
Re: Could you help me choose a model for a 0.8 engine ?
Thanks once more sosaam117 for you input.
I know understood that a 20in model will definitely be super fast, and "touchy" to control with a Babe Bee installed on it.
I will focus on building a Tomboy, probably not a 36 inches one, but something around 30 inches
I will keep the Forum updated about this project !
I know understood that a 20in model will definitely be super fast, and "touchy" to control with a Babe Bee installed on it.
I will focus on building a Tomboy, probably not a 36 inches one, but something around 30 inches
I will keep the Forum updated about this project !
Mehdi- Moderate Poster
- Posts : 13
Join date : 2021-11-03
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