Who sells the DA50 - 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 12-21-2003, 01:41 PM   #1
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Who sells the DA50

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Anyone selling DA50R's in Canada or do go direct to Desert Aircraft? Always try to support our Canadian dealers first. And what's with this new MVVS 58cc, putting out 9hp?!? A little hard to believe.

Shaun Bell
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Old 12-21-2003, 02:43 PM   #2
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Great Hobbies carries them.


Last time I looked, they were $749.00 Canadian.

Ron Mattiuz

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Old 12-21-2003, 07:43 PM   #3
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HiFlight in Alberta also sells them. Not sure whether they sell to anyone other than distributors but you could call them and find out. Heres the link:

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Old 12-21-2003, 09:52 PM   #4
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Its no lie about those mvvs 58's they are a real power house , has to do with the porting they brouight in a guy who builds racing bikes to help design them, apparently with a 24 10 they are putting up 40+ pounds of static thrust and turning 7300 with that prop out of the box. Dave moen here on rc canada will be getting some in febuary, price was 729 can. whether is stays there or not remains to be seen
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Old 12-21-2003, 11:07 PM   #5
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I have one 58 available right now. I even have a beautiful Bisson wrap around Pitts exhaust to go with it.

Here's a quote from the Dutch distributor:

Small update on real life numbers on the MVVS 58

I acquired a few engines, so now I can publish results.
Since MVVS still does not provide a dedicated tuned pipe, I tried two setups:

The first (not recommended) test was with a very restrictive pitts muffler as produced for the 2.15 engine. Using this muffler and a 22x10 Menz-S prop, the engine turned a happy 6300 rpm. Throttle response excellent, idle quite low, below 1500 rpm. This was used for running in, and no prolonged full throttle runs were asked for.

The second was using a friend's Krumscheid tuned pipe for the ZDZ50 engines, and a long header. According to the Krumscheid manual the chosen total length would tune the engine between 6500 and 6800. This is the rpm that MVVS quotes as max power output.
With this setup and the same 22x10 Menz-S prop, the engine now turned 7450 rpm cold, 7400 warm. Thrust was 41 lbs. This is 600 rpm over the top for this engine. This could also be judged by the "snoring" sound of the membrane intake, indicating reeds closing under less favourable conditions due to mass momentum. (BTW, the Carbon reeds are very thin and flexible.)
Absorbed power for this prop and rpm is an esimated 7.5 hp, and in line with the thrust measured.
This pipe was not produced for the 58cc, but rather for the smaller 50cc ZDZ. It may be possible, that Krumscheid will produce a pipe for the MVVS soon, and that MVVS will produce the headers.
Since the 22x10 prop is too small, I have ordered a 24x12 prop to try next, in order to get rpm down to about 6500. (8.26 hp and 50 lbs thrust acc to my spreadsheet)

The engine likes to breathe, and will then produce loads of power. If restricted, power will decline sharply, though the engine seems to accept it willingly.
David Moen
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MVVS Canada
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Old 12-26-2003, 04:21 PM   #6
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There has been a type error in that message.

The thrust was not 41 pounds, but 31 pounds. David missed the correction I posted in RC-Universe I suppose.
My sincere apology for any confusion it may have caused.

In the meantime, I received a small batch of these engines. The nice MVVS sales lady snatched them away from the large sellers for me.
Best regards.

Pe Reivers,
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Old 01-01-2004, 10:06 PM   #7
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Thanks for the update Pe.

Some positive reports are coming in on the MVVS 58 now. There are a couple Wildhare Edge 540s flying with these engines now. I think this particular model is massivley overpowered by this engine, but then that's not always a bad thing
David Moen
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MVVS Canada
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Old 09-02-2005, 06:02 PM   #8
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Where to buy DA-50R in Canada

Sky Hobbies sells them for $724.95 The store is located at 115 Planes St. E. , Burlington, Ontario. Phone (905) 631-6211.
I just got mine today.
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