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Fan Shroud to fit G231 for Futura (Any custom ideas)

mopardan

Senior Heliman
Wantagh N.Y. USA

Need to make a few Fan Shrouds any ideas out there.

03-15-2012 Over year old.
Ghentjohn

Heliman
Ghent, NY US

The Cuatro gasser conversion does not include a special part for the 231 Fan Shroud. My conversion stalled at just this point. Later I saw posts on conversions that used the regular fan shroud halves, with a strip of plastic about 1/8th to 3/16ths glued or screwed between for a spacer. If you eyeball it you should see what is needed.

I did not try it but it looks like it should work. Duct tape anyone?

10-15-2012 02:28 PM
mopardan

Senior Heliman
Wantagh N.Y. USA

Shroud Gasser

Ghentjohn,
Thanks u, I figured it would be something like that. Right now there all shelved will start with them again soon, I plan on 2 gassers and 2 electric, and a few nitro's.
Danny

10-16-2012 02:12 AM
erichevy

Veteran
Zevenhoven The Netherlands

Hi Danniel!

A friend of mine "trimmed" the cooling fins of the cylinder.
It gave no cooling problems at all.
He also uses fuel (as like I do) from Husquevarna.

It's beena while Danniel,

Greetings,
Eric.

01-09-2013 07:24 PM
trillian

Senior Heliman
London, UK

gasser fan shroud

Well I'm glad someone else is posting in here. Before this I think the last 5 or 6 posts were all me! I wasn't gonna post anything for a while at the risk of seeming like some kind of obsessive geek

I only have one Robbe gasser and I think it's a G23. It is able to use the regular Futura fan shroud but the 231 has bigger fins.

One thought is that a bigger fan would be good as well, get as much air blowing through there as possible. The Milli 2 fans are a bit bigger, like 90mm vs 80mm. I recently had something loose on my Dyna-X and it was vibrating around the fan shroud and I put my hand under there for the first time and was amazed how much air it's kicking out just at an idle. (this is with an OS91SZ nitro engine).

I have my Predator gasser all apart at the moment so I could see if the fan shroud fits over the Robbe fan and try to get an idea what it would take to mount it in a Futura frame.

01-10-2013 02:55 AM
Markus

Senior Heliman
Montreal

Ok, here it is:

I was not satisfied with the cooling on my Cuatro with Hanson 231
I have now a JR cooling fan and housing installed of the
JR260. Large diameter of fan resulting in high speed of airflow and very large fan housing that has a perfect fit around the cylinder head should give ample cooling. It takes a bid of work to adapt the hub, but if you have access to a small lathe, its not realy a problem.

Part numbers as follows
JR61469 HUB
JR61467 FAN (I think has about 105mm diameter)
JR61468 SHROUD
Ordered direct from Japan and had parts within 1 week

I will post pictures tonight is so desired.

I try to include pictures of my electro Cuatro with Hacker 530 as well.

Markus

PS: I have a 3rd. Cuatro modified to fit the Hanson RC270, so there I have no cooling issues...

01-11-2013 07:48 PM
Markus

Senior Heliman
Montreal

Cuatro 231 Hanson

01-14-2013 01:56 AM
Markus

Senior Heliman
Montreal

Cuatro 270 Hanson

01-14-2013 02:02 AM
erichevy

Veteran
Zevenhoven The Netherlands

Nice pictures Markus.
I realy like your Robbe Helicopter.
Can I give you one (free) advice?
Never place a fuel filling fitting in a fuel feed line.
A fuel feed line, needs to be one piece.


Eric.

01-16-2013 04:38 PM
Markus

Senior Heliman
Montreal

fittings are in the return line..

01-18-2013 10:52 AM
erichevy

Veteran
Zevenhoven The Netherlands

I am sorry, I was wrong.


Eric.

01-18-2013 07:24 PM
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Robbe Cuatro - Millennium - Nova - Dyna-X

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Fan Shroud to fit G231 for Futura (Any custom ideas)

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