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Type: Posts; User: DeviousDave

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  1. That's not promising...

    That's not promising...
  2. So, about like an OS .10FP then?

    So, about like an OS .10FP then?
  3. Anyone ever have a Webra .09/1.5cc R/C side exhaust motor?

    I've never seen one of these before, while visiting RocketRob 2 weeks ago in San Fran he gave me three of these engines to take home.

    Are they good runners? They seem 'sturdy', which is perfect...
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    Bob Mattes does glowbee/nelson conversion heads...

    Bob Mattes does glowbee/nelson conversion heads for the .020, they run a lot faster after he gets done with them..
  5. Profi's are the way to go on a budget these days,...

    Profi's are the way to go on a budget these days, I've got two guys trying to buy my Cyclons from me right now for FF and I hate to sell them to them because they need them to compete but I don't...
  6. A Baby Bee would suit it well if you don't want a...

    A Baby Bee would suit it well if you don't want a throttle, otherwise just about any 1/2A would work well I think. I'd look at a Big-Mig .049/.061 for power and livability.
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    Yep. Sure did. A 6-6 on 2-3 cells is about right.

    Yep. Sure did. A 6-6 on 2-3 cells is about right.
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    I'd be looking to run a 5-5 on two cells for a...

    I'd be looking to run a 5-5 on two cells for a motor on your KV range. You can always prop up a little if the amp draw is low-going to three cells will likely be too much current.

    A Speed 400 is...
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    An .010 will go significantly faster than 40mph...

    An .010 will go significantly faster than 40mph with the right prop on a clean airframe. I've had a lot of luck with cut-down .020 props, you want to take the 4.5-2 and cut it down to about 2.5" and...
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    What did the BBB have to say about it?

    What did the BBB have to say about it?
  11. Thread: Va .049

    by DeviousDave
    Replies
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    699

    I haven't run my MK2's, but word I got back when...

    I haven't run my MK2's, but word I got back when they were being used at the NATs was that the Mk2 was quite a bit more powerful than the Mk1, and less fragile.
  12. Thread: Va .049

    by DeviousDave
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    699

    Not when the engine isn't set up for the prop,...

    Not when the engine isn't set up for the prop, weather, and fuel..... That's the beaty of the VA-I used one of mine in a helicopter!
  13. Thread: Va .049

    by DeviousDave
    Replies
    27
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    699

    The 5.5-2 is a lighter load that one would...

    The 5.5-2 is a lighter load that one would compare to a typical 'go-fast' prop for the TD. They were ported and timed to make power at lower rpm that made props like the 5-3 square tip viable. Prop...
  14. Thread: Va .049

    by DeviousDave
    Replies
    27
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    699

    The VA .049 Mk1 makes a decent sport motor-they...

    The VA .049 Mk1 makes a decent sport motor-they draw fuel well on the smaller venturi (larger one doesn't make a lot of difference in sport props) and they needle well. It will perform a little...
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    Meh, it's just tax rebate season.

    Meh, it's just tax rebate season.
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    With servos, you want to pay less attention to...

    With servos, you want to pay less attention to weight and more to centering ability.... A lot of these smaller servos were designed with park flyers in mind that will fly straight with 1/8" of rudder...
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    Or, put another way, you want the engine to...

    Or, put another way, you want the engine to unload to the peak hp RPM number. Revving faster than that is past peak torque, meaning you could be running more pitch.
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    Half of the fun is in the experimentation, but...

    Half of the fun is in the experimentation, but FWIW, Matchless incorporated my suggestions when he when from his original Caliente to the second version and there was a significant increase in speed....
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    If I might make a few suggestions, as a former...

    If I might make a few suggestions, as a former manufacturer of planes like your Boomerang:


    1) get a 30mm spinner from MP Jet-that's what the airframe was intended to have on it.
    2) With that...
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    Yeah...... you'll be making that one...

    Yeah...... you'll be making that one...
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    Like Skaliwag says, the 5.7-3 is probably the...

    Like Skaliwag says, the 5.7-3 is probably the best prop for your style of airframe, but the engine needs a 5-3 or similar load to get where it makes best power. It's going to run like a healthy TD...
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    1.0 PY is an AME .061, meaning that it is not a...

    1.0 PY is an AME .061, meaning that it is not a Big Mig with milder porting.


    The engine is going to be powerful, but it's not going to like 6" props like those needed for a vintage airplane.
  23. Thread: Club PAW

    by DeviousDave
    Replies
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    2,921

    I've had a .06BR for years that has done nothing...

    I've had a .06BR for years that has done nothing but tug on a board over the course of a few runs, and a .19TBR that will someday power a Sig Little Extra. Saw someone did that in the 1/2A forum with...
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    Lean that sucker out and haul @$$!!

    Lean that sucker out and haul @$$!!
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    I remember when I raced Sp400 pylon at the NATs,...

    I remember when I raced Sp400 pylon at the NATs, people (who usually had no plans to race) would light up the forums about how it was intended to be a beginner's class, not one with composite...
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