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HomeAircraftHelicopterHIROBOOther › Freya fuel tank.
07-18-2002 10:07 AM  16 years agoPost 1
DigitalGod

rrNovice

Big Sandy KY

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What are you guys doing for the fuel tank in the Freya/Freya EX? I was hovering inverted the other day and the motor went silent. It was luck that I escaped without any damage. I am not using the stock fuel tubing, I have changed it to another kind. That is much stiffer than the other, but there is no way that it is going to fold over. What is the best way to fix this problem? And should the tube be able to fold over towards the front of the tank? Or should it stay towards the back? Please help.

-John B.

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07-18-2002 11:10 AM  16 years agoPost 2
Eagle

rrApprentice

Australia

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I use the standard tube which comes with the tank. I set it up so that when the tank is inverted the line doesn't kink and when its upright, the clunk isn't rubbing on the back of the tank.

My engines haven't stopped whilst inverted yet.

Cheers

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07-18-2002 02:42 PM  16 years agoPost 3
MRC-Hirobo

rrKey Veteran

Edison, NJ

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Tank
I use the stock line cut to 72mm. Tank empties on the bench and runs consistent to the end.

As long as the tank is kept dry when stored, I only need to change the internal line about once a season.

The problem with using heavier line is you also need to use a heavier clunk to allow the clunk to reach the fron of the tank and all around. Fold overs are usually not a problem if the line is not excessively long.

Jeff G

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07-20-2002 08:47 AM  16 years agoPost 4
DigitalGod

rrNovice

Big Sandy KY

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Thanks.
Thanks for the help. Do you have a part # on the tubing? Are you a Hirobo dealer?

-John B.

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07-21-2002 11:42 AM  16 years agoPost 5
Eagle

rrApprentice

Australia

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the tubing as far as I know isn't available seperately. You have to buy another tank. Fortunately there are a couple of companies which sell it. Tetra is one and I have noticed in the JR Heli catalogue that they have it in small package. I am tetra tubing and haven't had any problems.

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07-21-2002 12:10 PM  16 years agoPost 6
DigitalGod

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Big Sandy KY

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Thanks buddy.

-John B

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07-22-2002 03:44 AM  16 years agoPost 7
helitroll

rrVeteran

Southlake, TX

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bigger tank?
Is there a bigger tank available. I put in the YS-80 and flew it for the first time today. I swear you can watch the fuel level drop. It is getting better as I lean it out slightly. I am pleased and expected the fuel consumption. At least you can see how much fuel is in the tank.

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07-22-2002 04:13 AM  16 years agoPost 8
JSaleska

rrApprentice

Navarre FL

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I'm getting 12 minutes at sea level with my OS91 on a perry pump. Once your YS80 breaks in your fuel economy should get better.

CP 15% by the way

Jon Sends
Team Mastercard
RC Helis Are 35% MX, 50% BS, & 15% FLY

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08-08-2002 12:17 PM  16 years agoPost 9
danny_isr

rrApprentice

Colorado

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solution
I had the same problem, i saw that nothing works in that tank except the stock one.
And you cannot get it from Hirobo (why ???).

So i ordered KSJ heavy clunk and it came with a tube that looks and feel exactly like the stock one. The lenth is good for about 2 lines.
So you good for 2 years ... And its pretty cheap.

You can get that at Ricks


Danny

Freya SST 91,Trex450 SE,Trex 600E

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08-08-2002 12:54 PM  16 years agoPost 10
Dazzler

rrElite Veteran

Ohio

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I used the clunk that came with the kit, and I used my own regular medium fuel line, works great. Daz...

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08-08-2002 02:37 PM  16 years agoPost 11
Federico Culzoni

rrApprentice

Italy,Milan

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I do the same as Eagle.

www.federicoculzoni.com

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08-08-2002 03:30 PM  16 years agoPost 12
FlyingFreak

rrApprentice

Succasunna, New Jersey

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I use part #AER1011 - FUEL LINE SMALL BLUE $0.64 per foot with the standard clunk and it works great. You can buy it at Ricks.

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08-08-2002 04:08 PM  16 years agoPost 13
Dave_D

rrKey Veteran

Philippines

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Had a rash of these inverted flameouts around a year ago.

I had lots of differing tubing in my parts bin and experimented with them to find the right mix of rigidity, yet will fall over using the stock clunk.

To make sure I only had to pull the tank out of the heli once (it's a pain). I filled the tank with fuel and plugged all the ends and tipped the tank back and forth simulating both transitioning to inverted as well as doing constant rolls or forward and backward flips to see if the clunk would fall to follow.

I was able to buy a roll of tubing similar to the stock stuff that comes with the Freya/Eagle, but I'm afraid I threw out the packaging so I can't tell you for sure who the manufacturer is.

Good luck.

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