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Ace Hobby . Esprit Model . Thunder Power RC

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Align T-REX 600N 700N > Flying without the engine fan cover
 
 
ejdeleon
Heliman
Location: Wichita, KS

Just received my Nitro Pro recently after I bought it practically new from TREXpup here on Runryder. I've read stuff on the forum and when I pulled the motor and engine fan cover/shroud down to inspect the clutch, I saw there was wear on the fan cover from the fan scraping it. What irks me is the fact that self tapping screws are used on plastic hex supports to anchor this fan cover - removal once or twice with likely strip it. I've been looking at the Gforce fan and was thinking about purchasing it. Has anyone tried flying theirs without the fan cover? I have a Raptor 90 SE and it doesn't have a fan cover/shroud that directs air flow to the head and it cools fine. Also it would help show off that nice aluminum Gforce fan if we didn't use the fan cover. Thoughts anyone?
07-01-2007 Over year old.
 
 
inkspot1967
rrProfessor
Location: cranston ri.

you must use the fan shroud cant cool the motor without it...

Trex700e Ray Nemovi's kit & Tyler Bonta Head
Rave Flybarless
WENZEL CANOPY
Team TomTom
07-01-2007 Over year old.
 
 
ejdeleon
Heliman
Location: Wichita, KS

I appreciate your input but is this based on experience/experimentation or just your opinion?
07-01-2007 Over year old.
 
 
Rockohaulic
Elite Veteran
Location: Valencia, CA, USA, 3rd Rock from the Sun

If your Raptor 90 is like the plastic framed Raptor 50, then the "fan shroud" is built into the plastic frame, and that is why you don't need a separate one.

My G-10 framed Hurrican 50 also has a separate fan shroud like the Trex.

I got a helicopter for my girlfriend,
It was a good trade!
07-01-2007 Over year old.
 
 
hootowl
Elite Veteran
Location: Garnet Valley, Pa.

You can't fly it without the shroud. Try it and you'll overheat most likely.

Member Bog Troll Club #1
07-01-2007 Over year old.
HOMEPAGE  
 
 
3Dx
rrAdvertiser
Location: Monterrey NL Mexico!

Quote 
I appreciate your input but is this based on experience/experimentation or just your opinion?


Inkspot1967 = The voice of the Experience!!!
07-01-2007 Over year old.
 
 
inkspot1967
rrProfessor
Location: cranston ri.

guess i cant please everyone.....

Trex700e Ray Nemovi's kit & Tyler Bonta Head
Rave Flybarless
WENZEL CANOPY
Team TomTom
07-01-2007 Over year old.
 
 
aliensil
Senior Heliman
Location: Laredo Tx

.50 Heli models with separate fan shroud are an exceptions, just like the Trex 600N, I have no experience or experimentation not using fan shrouds but, I can assure your engine does not live for more than a couple of tanks, simply the air moved by the fan are insuficient to keep the engine head warm, the canopy keeps the fresh air out of main frame too and in normal operation and with a taste lean engine you can rise and overheat the temp of engine so high you can zeise the connecting rod, seize the piston sleeve and maybe break the piston. Please let us informed how do you plan to loose those $200 bucks.

I fly a caliber 5 with stock plastic fan and I sand the fins after a few tanks just to assure nothing rubs. Or try one of the 3DX beauty metal fans.

Flying pigs 8,000 feet above Sea level
07-01-2007 Over year old.
 
 
Ozydego
Key Veteran
Location: Westerville, Ohio

The fan shroud is moveable and can be tweaked until it does not rub... I take the glowplug out, so I can spin the engine easily and spin it while I am tightening the shroud... I move the shroud around until it does not rub.... After you get it there, it works fine, especially with the cnc fan that does not flex.... why take the chance of overheating just to show off a silver fan???

But Honey, I can't live with just stock.....
07-01-2007 Over year old.
 
 
raptor50luvver
Veteran
Location: southampton UK

I agree,,the fan shroud is there for a reason
07-01-2007 Over year old.
 
 
bobj
Veteran
Location: United Kingdom

Hi

You could always night fly with out the fan cover, no need for lights on the heli as I am sure the engine will be glowing enough to light up everything:-)

You really do need that cover.

Cheers
Bob J
07-01-2007 Over year old.
HOMEPAGE  
 
 
inkspot1967
rrProfessor
Location: cranston ri.

bobj

Quote 
I appreciate your input but is this based on experience/experimentation or just your opinion?

bob i couldnt resist....

Trex700e Ray Nemovi's kit & Tyler Bonta Head
Rave Flybarless
WENZEL CANOPY
Team TomTom
07-01-2007 Over year old.
 
 
nivlek
rrProfessor
Location: Norfolk England

I once doubted the efficiency of the fan/shroud on my Concept 30DX , so I removed it . I managed a hover of about 30 seconds before the engine faded due to overheating .

At the end of the day , it gets dark .
07-01-2007 Over year old.
 
 
MJHiscott92504
Veteran
Location: James Hiscott #6 Carter Place Monroe WA 98272 USA

fan shroud

Align doesn't put anything on there helis that doesn't belong there!
Now if you flew in the Arctic in the dead of winter you would probably be ok....Jim

Owner of MJHeli Products
07-01-2007 Over year old.
HOMEPAGE  
 
 
Isaac F
Key Veteran
Location: Panama Republic of Panama

Quote 
ejdeleon SAY: Has anyone tried flying theirs without the fan cover? I have a Raptor 90 SE and it doesn't have a fan cover/shroud that directs air flow to the head and it cools fine. Also it would help show off that nice aluminum Gforce fan if we didn't use the fan cover. Thoughts anyone?

Hey ejdeleon, why dont you fly yours without the fan cover and then get back here with your review?


Isaac
07-01-2007 Over year old.
 
 
MJHiscott92504
Veteran
Location: James Hiscott #6 Carter Place Monroe WA 98272 USA

Isacc F

Dont do that to him, thats just plain mean, LOL He's just messin with ya ejd....

Owner of MJHeli Products
07-01-2007 Over year old.
HOMEPAGE  
 
 
docjoe
Elite Veteran
Location: Stockton, CA United States

Quote 
What irks me is the fact that self tapping screws are used on plastic hex supports to anchor this fan cover - removal once or twice with likely strip it.

My $1200 MA stratus has a fan shround that uses plastic to secure the fan shroud in a similar fashion to the 600N. Actually, they use machine bolts and not even the self-tapping screws which can strip even easier. The easy solution is not to overtighten the screws. Sorry if that's not the answer you wanted to hear.

Joe
We haven't seen Colonel Angus around these parts for years!
07-01-2007 Over year old.
HOMEPAGE  
 
 
raptor50luvver
Veteran
Location: southampton UK

You can get the metal inserts instead of the plastic hex inserts tho and use m3 capbolts
07-01-2007 Over year old.
 
 
Isaac F
Key Veteran
Location: Panama Republic of Panama

Quote 
MJHiscott92504

Isacc F Dont do that to him, thats just plain mean, LOL He's just messin with ya ejd....


MJHiscott92504, I couldnt resist....


Isaac
07-01-2007 Over year old.
 
 
md3dnt
Senior Heliman
Location: france

i flew all day without the fan shroud and the engine was cool and did not lean! the gforce fan does the job and it was a hot day
its really nice to have the shroud removed since it helps a lot to adjust the gv1
07-01-2007 Over year old.
 
 
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Align T-REX 600N 700N > Flying without the engine fan cover
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