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HomeAircraftHelicopterGasser Model RC HelicoptersOther › Nova Cuatro / Zenoah 26 problem
10-11-2005 07:50 PM  12 years agoPost 1
Ecuaheli

rrNovice

Cuenca, Azuay, Ecuador

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Just wondering if anyone has any suggestions re a problem I having with my Nova Cuatro with Zenoah 26 engine. Basically the heli flies fine and the motor seems fine with no tail kicking etc. but when I am in idle 1 then increase power (add pitch), then quickly decrease power again, the engine tries to cut out and gives me the feeling that it will cut out if I strongly decrease power. I have tried various needle settings both low and high with no great success, though some minor improvement. The pipe I am using is a Hanson tuned pipe from Zenoah 231, I don't think that the small increase of 3cc should really make much difference? I am using NHP80 blades with a head speed about 1500 - 1550. I am using amsoil at a ratio of 50:1. I still need to do more testing on this but I have had this problem for a while and so if anyone has had a similar problem or any idea what might be causing it, I would be very grateful to know..

Jim

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10-11-2005 08:03 PM  12 years agoPost 2
rbort

rrProfessor

Franklin, MA - USA

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Same problem
I'm having the same problem with my Spectra-G with a G26 3D and I haven't debugged it yet. I've been sorting through other little problems one at a time I put this one on the low priority list.

However, recently I've replaced the fuel line to a thicker one inside the tank for better pickup/fuel flow and will try again to see if it solves that problem (engine cuts out and recovers on throttle back from full power climbout).

Please read my post on the Spectra-g suggestions as I will be updating progress there as well.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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