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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › HZ-R or just the HZ?
01-31-2013 07:54 AM  5 years agoPost 1


Auckland, NZ

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So after a bunch of reading Im committing to getting a 105 for my 700N. The last piece of the puzzle is to get and R or not?

Whats the practical reality on the "Demand Regulator System". Do I really need it? What the advantage, or is it just a complex gizmo that I really dont need?


700LE Nitro | Atom 500 | 6HV | MCPx | DSX9

01-31-2013 11:33 AM  5 years agoPost 2
P Andreoli


new york

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HZR vs. HZ
glad to here your getting a 105!

-as for the HZR the motor is very consistent and is smooth throughout each flight. if you are using a clunk, fuel magnet or bladder system its great on all of those applications.

-as for the HZ version i have not tried yet, but all i have heard was good things about it. if your looking to get kick ass motor and not spend the extra money for the HZR get the HZ and you won't be disappointed.

-currently i am using a fuel bladder in both my ENV nitros and the motor seems to be even better running than with a fuel magnet. the fuel magnet is a great thing but if you're looking to get every last bit of performance out of your motor and every drop of fuel out of your tank without ANY air the bladder is a great thing to do to your trex 700.

-if you have anymore questions feel free to PM me

01-31-2013 05:35 PM  5 years agoPost 3

rrElite Veteran


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I have the HZ-R on a Trex 700 DFC with a stock tank, but I run the OS bubble clunk. Runs great with no fuel issues.. Lots of power.

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