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HelicopterEngines Plugs Mufflers Fuel › OS91sz-h Reg.???
11-30-2007 05:16 PM  10 years agoPost 1
Raptile

rrApprentice

SLOVENIA-Logatec (EU)

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Hi
Can someone tells me what is the benefits of this regulator.
I am buying OS91sz-h and I wonna know if it worth to buy the
regulator?

http://www.heliproz.com/prodinfo.asp?number=108761

Tkansk for answers

Futaba FASST 12FG | Raptor 90 V-Max V-BAR 4.0| Henseleit TDR 4.0 | PiroFreak =)

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11-30-2007 06:36 PM  10 years agoPost 2
ehaga

rrApprentice

Bærum, Norway

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The regulator is used on the SZ-H PS which also have a pump. This prevents the engine from leaning out at the end of the tank.

But - I think that the OS pump system sucks. The pump is unstable and a lot of people have problems with it. I just installed an YS 91 SR - hope my problem is gone.

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11-30-2007 07:09 PM  10 years agoPost 3
jsenicka

rrProfessor

Eagle River, WI

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It comes with the 91SZ-PS pumped system and is integrated to that carb.
You cannot put it on an engine by itself.

Jim Senicka
Team Manager, GrandRC Flight Team

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11-30-2007 07:25 PM  10 years agoPost 4
payne1967

rrElite Veteran

uk

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if you want my advice don't buy the pumped motor
i've just got the non pumped carb for my c spes ps in my raptor 90 and its the best its ever run
I've aready had 2 c spec pumps blow up in my freya and before the engine goes bad i'm taking the pump off the szh ps as well
its non-pumped all the way from now for me

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11-30-2007 08:35 PM  10 years agoPost 5
Raptile

rrApprentice

SLOVENIA-Logatec (EU)

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Thanks for the info I will stick on OS91 SZ-H to make it simple

Futaba FASST 12FG | Raptor 90 V-Max V-BAR 4.0| Henseleit TDR 4.0 | PiroFreak =)

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HelicopterEngines Plugs Mufflers Fuel › OS91sz-h Reg.???
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