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DA50 Props

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Old 06-28-2011, 03:10 PM
  #1
flyfreedave
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Default DA50 Props

I'm putting together an PAU 30% Edge and this will be my first gas engine Know what the mfgr. suggest, but would like some pratical sugestions.
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Old 06-28-2011, 04:32 PM
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krayzc-RCU
 
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Default RE: DA50 Props

muffler 22 x 8 can or pipe 23 x 8 or 23A
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Old 06-29-2011, 08:45 AM
  #3
jsallade
 
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I have run a DLE-55 on a Wildhare 30% Edge and now on a WH 30% Slick 540 and my standard prop on both airframes has been the Xoar 23x8 laminate (less flex than standard wood). I recently loaned a standard wood 23x8 Xoar to a buddy with a DA-50 equipped Yak ~28% craft who had been running a 22x8 (off brand) wood and he was more satisfied with the Xoar from the standpoint of less noise and a bit more pull with slightly less high end (rarely is speed very desirable in these aerobatics). Long story short, I would try the 23x8... I think most would prefer is over the 22x8 or 22x10 in the same manfacturer line.

One interesting test I did was to swap a buddy (temporarily) for his Mejzlik 23x8. He ran my Xoar 23x8 laminate on his DA-50. I ran his on my DLE-55. His Mejzlik was slightly but noticably quieter on my airplane but also slightly less pull. The Mejzlik is a $70 prop versus my Xoar at $30 so it's tough for me to justify the difference in cost... The Mejzlik is nice but $40 nicer?? He noticed the increased pull on his airplane as well but again it was slight.
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Old 06-29-2011, 09:53 AM
  #4
flyfreedave
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Default RE: DA50 Props

Thanks for the input guys

Dave
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Old 10-03-2011, 06:28 AM
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MTK
 
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Quote:
ORIGINAL: jsallade

I have run a DLE-55 on a Wildhare 30% Edge and now on a WH 30% Slick 540 and my standard prop on both airframes has been the Xoar 23x8 laminate (less flex than standard wood). I recently loaned a standard wood 23x8 Xoar to a buddy with a DA-50 equipped Yak ~28% craft who had been running a 22x8 (off brand) wood and he was more satisfied with the Xoar from the standpoint of less noise and a bit more pull with slightly less high end (rarely is speed very desirable in these aerobatics). Long story short, I would try the 23x8... I think most would prefer is over the 22x8 or 22x10 in the same manfacturer line.

One interesting test I did was to swap a buddy (temporarily) for his Mejzlik 23x8. He ran my Xoar 23x8 laminate on his DA-50. I ran his on my DLE-55. His Mejzlik was slightly but noticably quieter on my airplane but also slightly less pull. The Mejzlik is a $70 prop versus my Xoar at $30 so it's tough for me to justify the difference in cost... The Mejzlik is nice but $40 nicer?? He noticed the increased pull on his airplane as well but again it was slight.
Just got my DLE55 running after some mods to reduce weight. I have mine piped (ES Composites, 50G pipe, with the standard RTC header from DA). Running avgas at 50:1 gas-oil mix, Bel Ray MC1 racing oil
Prop is 22 1/4 x 12 MDK hybrid that I make

Very strong running set-up. The test bed I have it mounted in (light at less than 13 pounds) is a good placed to get some running right now before the snow flies
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Old 10-03-2011, 07:58 AM
  #6
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Default RE: DA50 Props

When I flew with a 50cc airframe. I always used a Mezjlik 23x8.

consistent.. quiet, plenty of pull
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