RunRyder - Finally a 4 stroke .91 that can be used on helis

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Main Discussion > Finally a 4 stroke .91 that can be used on helis

Augusto
rrAdvertiser
Location: San Diego, CA

[BREAK]

This is it. Finally a 91 with Fuel injection so no more overheating or mixture problems.

So all of you Heli manufacturers out there start designing conversion kits for this engine!

I for one would love to have a 91 four stroke Fury.

Augusto.

ColeopTer
Fury, Logo 20 & 10, Vigor, Raptor, Sceadu.

03-24-2002 Over year old.

Ken B
Elite Veteran
Location: Phoenix, AZ

You can be the first to test it out and tell us about it

I personeally am waiting for the Gasser Fury

Ken B

03-24-2002 Over year old.

HOMEPAGE

gyroman
Senior Heliman
Location: Pasadena, CA

I here that that engine is gonna run about a grand though. I have the 1.40 RX EFI in my Ultra Stick plank and I get cofused really easy. To much programming.

03-24-2002 Over year old.

HOMEPAGE

Taipan
Key Veteran
Location: Sydney, Australia

But does it take care of the fuel mixture? Someone said you still need to know the diff between rich & lean. It's just that I don't like fiddling with needles.

I for one, am hoping for a OS91SX-H FI to come out. However word is FI engines have a mechanical limit of 12,000 rpm. Hopefully OS will improve this.

03-25-2002 Over year old.

sharam
Elite Veteran
Location: Northern California

Tower Hobbies has this for $799. Link is below. Delivery is early April.

Tower Hobbies Link:

When my YS 91 dies - which may be never - I will plug this guy into my Bergen Intrepid.

03-25-2002 Over year old.

Augusto
rrAdvertiser
Location: San Diego, CA

David,

I don't know if it fits in the Fury but I expect the RPMs to be lower than on a 2 cycle so I would think that the gear ratio is not going to be available unless they make one specifically for this engine's best rpm power band.

Also the back carb/intake manifold doesn't seems that would fit against the bottom plate. I don't know if the top with the valve rockers will fit into the fan shroud either.

Augusto.

Avant Aurora Ultimate

03-26-2002 Over year old.

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Main Discussion > Finally a 4 stroke .91 that can be used on helis

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