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Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 2:20 AM   
URAYASUTTARO


 

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From: INZAI CHIBA, JAPAN
Status: offline 		This engine 34times FLT from new one.Suddenly eng stop during muneuver.
Like this condition can start with IDLE but when accerate throttle will stop engine.
Found out LEED VALVE SHEET broken After some trouble shooting .
It's very dangerous!!
First picture is aft 34 flt, Second picture is aft 9 flt with same material sheet.

DA said already release new sheet for leed valve so request to contact near distribution shop.
This shop not agent. so I requested direct sent to me. but after that no mail and no held.
I know DA is big for me but , I hope more correspondence suport for customer.
and anyway Please recall for another customer!!


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 2:33 AM   
rajul



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Status: offline 		Anyone knows if this is this the same type of reed valve material used in the "old" DA100?

Uraya, what type of gas and oil are you using?

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 6:10 AM   
krayzc-RCU



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Status: offline 		i sure hate when a reed blows out

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 6:59 AM   
daltonaviation


 

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quote:

ORIGINAL: URAYASUTTARO

This engine 34times FLT from new one.Suddenly eng stop during muneuver.
Like this condition can start with IDLE but when accerate throttle will stop engine.
Found out LEED VALVE SHEET broken After some trouble shooting .
It's very dangerous!!
First picture is aft 34 flt, Second picture is aft 9 flt with same material sheet.

DA said already release new sheet for leed valve so request to contact near distribution shop.
This shop not agent. so I requested direct sent to me. but after that no mail and no held.
I know DA is big for me but , I hope more correspondence suport for customer.
and anyway Please recall for another customer!!


I dont recall ever getting a call or email directly from you regarding this issue. If you can email me your shipping address I will have replacement reeds sent directly to you or I can put you in touch with our distributor in Japan and he will take care of you. You can contact me directly by email at tony@desertaircraft.com or call me at 520 722-0607 on Monday 9am to 5pm mountain standard time.

Thanks
Tony Russo
Desert Aircraft Customer Support


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 8:04 AM   
Tired Old Man


 

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Status: offline 		Tony,

Is it possible to purchase a set or two of those reeds from DA?

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 3:26 PM   
mrbigg



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Status: offline 		Call Boyesen and see if they are still in business. Maybe they can custom make a real set of reeds.

Here's a link. http://www.boyesen.com/cwo/Home

Another link to an outboard's set of reeds. It describes the benefits. http://www.boyesen.com/cwo/OUTBOARD/Products

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 6:20 PM   
Tired Old Man


 

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Status: offline 		I'm looking to do some experimenting with reeds on a couple of engines and the DA reeds look to be easy enoigh to work with for what I wanted to do. Boyesen reeds are noted to be among the best available but expensive because of the quality. I didn't want to spend too much during the experimenting

< Message edited by Tired Old Man -- 11/15/2008 9:18 PM >

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/15/2008 8:56 PM   
mrbigg



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Status: offline 		I hear ya on the spending money!

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/17/2008 8:16 PM   
shall36


 

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Status: offline 		I can tell you that a friend of mine had the same situation as pictured in the right photo with his DA-100. It is an older model DA.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/17/2008 9:23 PM   
daltonaviation


 

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quote:

ORIGINAL: Tired Old Man

Tony,

Is it possible to purchase a set or two of those reeds from DA?

Yes. Give me a call and I will get them out to you.

Tony Russo
Desert Aircraft Customer Support
(520) 722-0607


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 12:35 AM   
RTK



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Status: offline 		Tony, what about the whole reed block assembly??

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 1:42 AM   
daltonaviation


 

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quote:

ORIGINAL: RTK

Tony, what about the whole reed block assembly??

What about it?


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 1:59 AM   
RTK



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Status: offline 		Can we buy the whole assembly?? Block, reeds, and gaskets.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 2:46 AM   
daltonaviation


 

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Status: offline 		yes I can sell you whatever you would like. Give me a call at 520 722-0607


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 3:06 AM   
Tired Old Man


 

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Status: offline 		We keep adding parts and pretty quick we'll have the whole engine Missed you on the call today but I'll try back tomorrow.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 5:52 AM   
octanehuffer



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Status: offline 		Dont crucify me for saying this, but the reed in my Evolution 45 are carbon fiber. The DA carb is the same as the Evolution. Perhaps the reeds are the same. Going out on a limb here. I never heard of one breaking yet. In my dirtbike day, Boysen had THE reeds to have. Much better quality than the manufacturer. Some were even tuneable.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 6:46 AM   
Tired Old Man


 

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Status: offline 		Some of us at work have the same opinion. Better reeds are hard to find! Be sitting down when you discover the price.

I would much prefer to locate some suitable sets of carbon reeds or make some myself. The problem with making them is that with any set of reeds you don't cut them as much as you shear them in a one punch deal. Cutting permits them to fray around the edges over time. So you first have to make a perfectly shaped cutting punch for any of the woven fiber reeds. I don't have the time or the patience to do that.

< Message edited by Tired Old Man -- 11/23/2008 9:10 PM >

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 7:04 AM   
Bass1



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quote:

Cutting permits them to fray around the edges over time. So you first have to make a perfectly shaped cutting punch for any of the woven fiber reeds. I don't have the time or the patience to do that.
I wonder if you could adapt saxophone/woodwind reed cutters to do the job? They come in several sizes.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 8:12 AM   
Tired Old Man


 

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Status: offline 		Good question. Now that you have my attention.......

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 4:38 PM   
octanehuffer



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Status: offline 		Thinking someone with a water jet or laser cutter might help.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 7:22 PM   
Tired Old Man


 

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Status: offline 		Tony,

Are you at the shop right now?

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/18/2008 7:36 PM   
daltonaviation


 

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Status: offline 		Yes. Best thing to do is leave a message if you dont get anyone to answer and I will call you back as soon as I am available.

Tony Russo
Desert Aircrat
(520) 722-0607


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/20/2008 1:15 AM   
URAYASUTTARO


 

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From: INZAI CHIBA, JAPAN
Status: offline 		Original REED SHEET is 0.25mm thikness so my friend maked REED SHEET 0.1mm stainless sheet,
Tryed yesterday, out of temperature is 16℃ , oil 40:1 (AMEIL), mejzlik 26x10 , max 7200 rpm, unleaded gas.
After 4 flts like this resoult .come more worst. stainless is no good for REED.
Damage position is always same before. Plz ref picture.

Hello Tony ,I will contact latter . First will you explain detail

1)what reason for damage your original FRP sheet.

2)What is the improvement for your NEW REED SHEET.


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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/20/2008 1:51 AM   
Tired Old Man


 

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Status: offline 		What you have experienced with the stainless reeds is why I am adamantly opposed to metal reeds. The missing portion of that reed went somewhere inside your engine. It has nowhere else to go. You now have the task of performing a complete engine tear down to locate and remove the missing portion of the reed and/or to assess the amount of damage that part has caused to the engine.

One up and coming engine manufacturer uses metal reeds and it's only a matter of time before the failures begin to occur.

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RE: Please recall LEED VALVE SHEET!! NEW DA 100 - 11/20/2008 2:14 AM   
mrbigg



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Status: offline 		Who's that?

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