Mintor eyes only/Power wish list

[David Lockhart]

4 oz lighter
Integrated pump (less mounting, maintenance, and setup)
RE configuration (fits more of what is out there, looks cool!!)

Dave Lockhart
DaveL322 at comcast.net



----- Original Message -----
From: Anthony Abdullah <aabdu at sbcglobal.net>
Date: Thursday, May 29, 2003 4:50 pm
Subject: RE: Mintor eyes only/Power wish list

> That sounds a lot like what teh ST2300 promised, but it had the 
> one acre head size that kind of kept it from being widely pattern 
> user friendly or accepted. On one hand I think we like paying too 
> much, on the other you trust that the majority of the pilots will 
> use what works and is reliable. It all makes me wonder why that is 
> not the preferred power plant. Mind you, I am shopping new engines 
> and very open minded. I actually prefer two strokes but find it 
> hard to leave YS. There is also something to be said for being 
> able to borrow a header, a coupler, an O-ring, or even technical 
> advice at a contest, because you know that is where you will have 
> trouble. With those numbers why are people still paying more for 
> the OS 140 RX?
> 
> Gene Maurice <gene.maurice at attbi.com> wrote:OK, try this on for 
> size OS160FX (< $250), Perry Regulator Pump ($27), KM Header 
> ($45), Mac's 15cc Quiet Pipe ($78), AFC SS double sealed bearing 
> ($15), total cost right at $400 INCLUDING exhaust system!! NOW the 
> kicker: APC 17x12 standard blade (read wide) 8300 RPM (APC 16.5x13 
> W turns about the same) on Magnum 15%, idles at < 1800 RPM all day 
> long, transitions almost "4 stroke like". Though it has not been 
> measured with a sound meter, I dont think over the limit. If it 
> is, a 17x13 or 17x14 would probably do the trick.
> 
> 
> Gene Maurice
> gene.maurice at attbi.com
> Plano, TX
> AMA 3408
> NSRCA 877 
> 
> -----Original Message-----
> From: discussion-request at nsrca.org [discussion-
> request at nsrca.org]On Behalf Of Anthony Abdullah
> Sent: Thursday, May 29, 2003 10:34 AM
> To: discussion at nsrca.org
> Subject: Mintor eyes only/Power wish list
> 
> 
> I am eagerly watching the posts on engines and am very excited 
> about the choices available. I must say that it says an awful lot 
> about the YS140 DZ 4 stroke that it is even in the same power 
> range or even superior to a significantly larger 2 stroke. I 
> remember back in the day that a plane that would fly on a 60 two 
> stroke needed at least a 90 to 120 four stroke to fly. Boy have 
> things changed. I am still sitting on my wallet with my fingers 
> crossed hoping that YS will introduce a 140 or 160 AR two stroke. 
> Black machined finned head and all. It will be reliable, run with 
> the currently available ES and other pipes, Idle smoothly, snap 
> transition with no mixture change at mid range, spin a 17x12 at 
> 8400 RPMs with a flat torque curve, have a totally linear throttle 
> curve, and sealed bearings. All for around 4 bills. 
> 
> Then I woke up.  
> 
> "Henderson,Eric" <Eric.Henderson at gartner.com> wrote:
> In case you have had enough of this topic just hit CRTL-D
> 
> If you have not had enough, here is today's lunch results.
> 
> It was warm and muggy today after all of the rain. The Mintor had 
> the "target" 17 x 13 APC strapped on the front. With three gallons 
> through the engine it was time to really see what the 1.70 was 
> made of! Engine was set at 7,900 rpm on the ground using 
> Powermaster 15/16. The Hydeout was ready for the ride. 
> 
> Here's how it flew P-03, or at least a description of a few of the 
> maneuvers as I saw them unfold.
> 
> Sq. loop on corner - Straight and level into the 45 climb at 1/3 
> throttle. Nice even pull. Increase power around the first corner 
> to 3/4. Perform 1/2 roll and got on to full power (WOT). Plane 
> continues on at slightly increased and smooth speed with the real 
> need to back of the gas over the top corner. Long down line 45's 
> and the engine responds smoothly on the bottom pullout to level. 
> No gurgle. Upon reflection it was a big loop before I noticed.
> 
> Hour glass - very similar with a lot of grunt on the up 45 line.
> 
> All vertical lines were easy with a big punch over the top of 
> maneuvers such as Humpty-bumps. The down lines were flown very 
> long to look at speed etc. The idle can be set low and it does not 
> quit. This helped the down lines and allowed pull-outs that did 
> not bend the wing tubes. The idle for spin entry was actually too 
> low and a purr had to be added to both reach the middle and get 
> the nose up.
> 
> The big test was the figure-9 with 3 x 1/2 rolls going up. An 
> entry at 1/4 throttle as I pushed followed by a incrementing 
> amount of throttle as each 1/2 roll was executed ending in full 
> throttle over the top of the 9. This was a big 9. Too big for good 
> points but just right for free adrenaline shots!
> 
> So how does it (1.70) compare with the OS 1.60. About 200 rpm less 
> on the ground but 4.0 oz lighter. Vertical behavior very similar 
> between equal weighted planes.
> 
> So how about the DZ. In the same plane it was clear that the DZ 
> had the edge in the mid range grunt-dept. Vertical snap rolls were 
> equal however in vertical line recovery.
> 
> In the end it comes down to probably five things. Price, 
> Serviceability, Reliability, weight and price. Depending upon what 
> you need you can chose the performance of a 2-c or a 4-c the 
> personal taste of sound and throttle timing.
> 
> I would run all three for equal fun, but as far as price goes, 
> (The OS in this case is an FI), the Mintor has a big edge.
> 
> Regards,
> 
> Eric.
> 
> 
> 
> 
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