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Old 11-01-2010, 10:56 PM   #1
JTerrell
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Default DA100 3 Blade Prop

Just wondering if anybody had any recommendations for a 3 blade prop for a DA100 with stock mufflers on a 35% Carden CAP 232.

I was thinking a Biela 25x10 or 26x12
or 25x12 Mejlizk.

Any ideas would be appreciated.

Thanks
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Old 11-01-2010, 11:07 PM   #2
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Default Re: DA100 3 Blade Prop

What is the weight of the plane? If it is like other Carden Caps I have seen, it is probably on the heavy side. I have a heavy 35% Extra that does very well with a 24x12x3....
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Old 11-02-2010, 07:10 AM   #3
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Default Re: DA100 3 Blade Prop

or a 25X12 AirModels
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Old 11-02-2010, 07:24 AM   #4
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Default Re: DA100 3 Blade Prop

Or a 25x12N MEJ
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Old 11-02-2010, 07:25 AM   #5
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Default Re: DA100 3 Blade Prop

Hello,

Acording to the Zinger website you should drop the diameter 1 or 2 inches and keep the pitch. The best guess will be starting from the benchmark prop from the manufacturer specs. In the DA 100 the prop range goes from 28x10, 27x10 and 26x12 if you convert using the Zinger site it will give you 26x10, 25x10, 24x12.

Here the link to Zinger Products. http://www.zingerpropeller.com/_2_blade_.htm
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Old 11-02-2010, 09:40 AM   #6
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Default Re: DA100 3 Blade Prop

Don't waste the money.
You wont be happy with the performance, stick with a 2 blade.
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Old 11-03-2010, 05:52 AM   #7
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Default Re: DA100 3 Blade Prop

Quote: Originally Posted by gamalierlozada
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Hello,

Acording to the Zinger website you should drop the diameter 1 or 2 inches and keep the pitch. The best guess will be starting from the benchmark prop from the manufacturer specs. In the DA 100 the prop range goes from 28x10, 27x10 and 26x12 if you convert using the Zinger site it will give you 26x10, 25x10, 24x12.

Here the link to Zinger Products. http://www.zingerpropeller.com/_2_blade_.htm

Probably not the best source for information on a 100cc gasser.....
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Old 11-03-2010, 05:59 AM   #8
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Default Re: DA100 3 Blade Prop

Quote: Originally Posted by T. Bob
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Don't waste the money.
You wont be happy with the performance, stick with a 2 blade.

+1

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Old 11-03-2010, 06:55 AM   #9
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Default Re: DA100 3 Blade Prop

Are you using the plane for sport flying, 3-D or IMAC?
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Old 11-03-2010, 11:35 AM   #10
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Default Re: DA100 3 Blade Prop

I am mainly using it for sport flying and IMAC. No real serious 3D, no low hovering etc, and I will change the prop back to the 27x10 if I want to 3D.

Thanks
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Old 11-03-2010, 11:45 AM   #11
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Default Re: DA100 3 Blade Prop

if you want good performance and need to keep it quite get the mejzlik 27/10 or 27/10th. cheaper also. there is a beila 3 blade at my field and it's ok but he is lacking pull.
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Old 11-03-2010, 11:50 AM   #12
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Default Re: DA100 3 Blade Prop

Quote: Originally Posted by KnowCrashes
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Probably not the best source for information on a 100cc gasser.....
Isn't almost those numbers the same as this ones recommended by the engine manufacturer DESERT AIRCRAFT??



The well proven DA-100 now even lighter and stronger !
We couldn't resist adding some new features like a new reed cage, reed valve and a lighter crankcase to our 100cc engine. Here is the result: The DA-100L is now lighter, has more power and improved midrange.
DA-100 Engine: $999.00
DA-100 Muffler Set: $145.00


larger view

Specifications
Displacement: 6.10 ci (100 cc)
Output: 9.8 hp
Weight: 5.57 lbs (2.53 kilos)
Bore: 1.6771 in (42.6 mm)
Stroke: 1.3779 in (35 mm)
Length: 6.5 in (162.5 mm)
RPM Range: 1,000 to 6,700
RPM Max: 8,500
Fuel Consumption: 2.5 oz/min @ 6,000 RPM
Warranty: Three year

Features
Three crank bearings, long spacing between front bearings.
Four petal reed valve, bottom induction.
Desert Aircraft, auto advance, electronic ignition.
Walbro Carburator
Exclusive Desert Aircraft designed cylinders, pistons, and crankshaft.
CNC milled, 7075 aluminum alloy crankcase.
Low vibration.
Most torque in its class.
Long rod to stroke ratio.
Aerobatic power curve.
DA engines are designed using the latest tools and techniques,
including 3D CAD and Stereo Lithography.

Recommended Props
2-Blades
28x10
27x10
26x12
3-Blades
26x12n
26x12
25x12N
24x12
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Old 11-03-2010, 11:55 AM   #13
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Default Re: DA100 3 Blade Prop

Quote: Originally Posted by JTerrell
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I am mainly using it for sport flying and IMAC. No real serious 3D, no low hovering etc, and I will change the prop back to the 27x10 if I want to 3D.

Thanks
The 3 blade to keep it quieter and help with your sound scores for IMAC. And the 27x10 for 3D.
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Old 11-03-2010, 12:45 PM   #14
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Default Re: DA100 3 Blade Prop

I use a Biela 26 x 10 3-blade on my DA 100 MTW cans powered 35% AW Yak.. The prop pulls great due to a change in blade design a couple of years back. I know Biela changed the blade because after I bought a new prop (after an "altercation" with the runway) my spinner cone would'nt fix! Tru-Turn had to redo the spinner cone for it to fit the new blade shape/width.

The can/prop combo is so quiet it's hard to hear when another plane is in the air. And, I received 10's for sound scores most of the time!

Good luck.

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Old 11-03-2010, 01:01 PM   #15
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Default Re: DA100 3 Blade Prop

If sound is the main concern, any of the 3 bladers mentioned will do you well.
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