Mvvs 175np-ts - Page 12 - RCCanada - Canada Radio Controlled Hobby Forum
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Large Engines Discuss Engines Used on Giant Scale Aircraft. Gas/Glow, as long as they're big!

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Old 03-03-2014, 04:50 PM   #111
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Re: Mvvs 175np-ts

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Originally Posted by bluelevel View Post
I have one of the engines on order and was told that they only have the Twin Spark version in stock. Is there any real advantage over a single ignition? Would it theoretically be possible to go with one Rexcel ignition instead or is that not compatible?

I might also still change the order to the quad, but I am a little afarid of the extra weight.

Couple of things with a twin spark. Better fuel burn, should be smoother, should show a bit more power, one ignition fails there's a second doing the job.

Down side, more weight especially with the MVVS ignitions.

You can go rcexl or ch but will have to make an adaptor and re-time it. If you're close to Florida you can send to CH and he will fix you up.

The 190 is not a whole heavier than the 175. If you have the funds it would be my choice other than the ducting work is a bit more involved.
Movin' on up to the top-shelf..3W!!!
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