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HomeAircraftHelicopterGasser Model RC HelicoptersOther › What carb is this?
04-01-2009 07:17 PM  9 years agoPost 1
thelane

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Edmonton, Alberta Canada

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Hi all,

My gasser is in and I've started the build. I rx'd this one:

http://www.centuryheli.com/products...9&prtnm=CN1304B

It comes with the engine and a carb. I am trying to get an air filter for it, but there are many choices, sizes, etc. Well, I have no idea what carb this is. The book that comes with it lists two models. A G260PUM and a G231PUH. How the heck do I know exactly what I have here. There are no reference numbers on the carb either.

Thanks in advance,
Lane

JR Vibe 50 and DX7

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04-01-2009 07:21 PM  9 years agoPost 2
Heli 770

rrProfessor

USA.

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Isn't the carb # WT-643.

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04-01-2009 07:31 PM  9 years agoPost 3
thelane

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Edmonton, Alberta Canada

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Don't know. Where do you find this number?

JR Vibe 50 and DX7

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04-01-2009 07:32 PM  9 years agoPost 4
shawmcky

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Isle of Wight,United Kingdom

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What carb
The engine will be a 231 puh or 260 puh,the h stands for helicopter,pum is a marine engine(m for marine.Daves discount motors,o,neill brothers racing have some nice filters in the K and N style.These filters are universal across these engines with our walbro carbs.This collection are from O.Neill

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04-01-2009 07:38 PM  9 years agoPost 5
shawmcky

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Isle of Wight,United Kingdom

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Carb numbers
The three numbers are usually stamped on the carb but are small.The filters in pic will fit any Walbro.

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04-01-2009 08:41 PM  9 years agoPost 6
Heli 770

rrProfessor

USA.

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thelane, Go to your link, at the bottom click on Zenoah Eng. (9z231h) and you will find it.

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04-01-2009 08:46 PM  9 years agoPost 7
smallplanes

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S.C. ,SSA

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Here is what i have and it's a good price.

http://www.ewtech.com/Merchant2/mer...Code=AirFilters


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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04-01-2009 09:24 PM  9 years agoPost 8
thelane

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Edmonton, Alberta Canada

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Just ordered a filter and v-stack w/choke from Daves motors. Thanks for the help all.

JR Vibe 50 and DX7

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04-02-2009 05:14 AM  9 years agoPost 9
Justin Stuart (RIP)

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Plano, Texas

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As for what engine you have: The PUM will have a smaller head, no fins, and an inlet and exit nipple for cooling water. The PUH will have the air cooled head with fins.

Avant RC
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04-02-2009 05:24 AM  9 years agoPost 10
thelane

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Edmonton, Alberta Canada

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The maual lists the PUM and PUH as heli engines. Does that mean you could have a water cooled engine in a heli?

JR Vibe 50 and DX7

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04-02-2009 11:14 AM  9 years agoPost 11
Justin Stuart (RIP)

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Plano, Texas

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On another thread (Electric fan for Spectra-G), we talked about using the PUM engine along with an electric smoke oil pump to pump antifreeze and a small radiator to create a water cooled helicopter setup.

That would be a very cool mod, and I would love to see someone do it. Some gassers suffer from insufficient cooling in hot weather because the cooling fan cannot blow enough air by the head. A liquid cooled system using a PUM engine may alleviate this problem, but it would also probably weigh quite a bit more than the PUH setup.

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Thunder Power RC
Kontronik Drives

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04-02-2009 04:05 PM  9 years agoPost 12
thelane

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Edmonton, Alberta Canada

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lol.. yes, that would be cool. I'll pass thou.

Thanks for the help all. Got'er figured out now.

~Lane

JR Vibe 50 and DX7

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