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RE: YS-170CDI Flight Report - 7/19/2008 3:16 PM   
vbortone


 

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Good luck in your project. You will need to be very careful during construction. Please keep us informed. I built the Abbra in all versions and found that the weight penalty of gas engines is a little over 1 lb compared with glow Abbra version. The Abbra was design originally for gas engines so the airframe is very light. Using the OS 160 is below 10 lb. It is good that you are going to use a soft mount. The first version of the Abbra did not have one and was almost destroy by flutter (one aileron). We used a custom built Hyde mount and solved the vibration problems.

Vicente "Vince" Bortone

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RE: YS-170CDI Flight Report - 7/19/2008 3:22 PM   
jlkonn



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Meant to PM you....

< Message edited by jlkonn -- 7/19/2008 3:27 PM >

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RE: YS-170CDI Flight Report - 8/25/2008 6:21 PM   
Voldos


 

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Have you some news about sale-date for DZ170 CDI ?
And price list ?
Link to a shop ?

thx

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RE: YS-170CDI Flight Report - 8/27/2008 6:32 PM   
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Je connais la date mais je ne te le dirai pas car les frenchies ne savent pas garder un secret !
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RE: YS-170CDI Flight Report - 8/28/2008 7:57 PM   
mm


 

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RE: YS-170CDI Flight Report - 8/31/2008 12:52 AM   
F.Imbriaco


 

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RE: YS-170CDI Flight Report - 9/14/2008 8:29 PM   
atul


 

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quote:

ORIGINAL: Voldos

Hello,

Have you some news about sale-date for DZ170 CDI ?
And price list ?
Link to a shop ?

thx


I had a friend in Japan find out from Yamada directly. Here's the news:

- The Conversion kit for the DZ170 will be available in 30-45 days.
- DZ170 CDI engine will be shipped in 2-3 months.
-
According to the person in Yamada, the release to the US market will be a
couple of months later than the Japan market.

He also suggested the best way is to make an advance order at on of the shops in
Japan. Then you can get the product immediately right after the market release at
a price cheaper than the "official" price on the Yamada Website.

The Yamada website is: http://www.yspower.co.jp/english/e_home.html

I'm placing my order this week :-). I can find out some shops and let any
interested parties know if anyone wishes. Let me know.

Atul

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RE: YS-170CDI Flight Report - 9/17/2008 8:56 PM   
atul


 

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ORIGINAL: papaone

HI Bill

How many % oil do you use on your 170 DZ cdi ?
Steph Carrier used 7 % oil and 25 % nitro oil and now he is testing 5 % oil and 20 % nitro.
Regards


Papaone:

I had a friend in Japan call the Yamada factory and ask them the "recommended oil percentage" in the Fuel.

The factory reply was that "Low oil does not cause the engine to cut out, unlike other glo motors. However, the factory cannot recommend any particular percentage and users have to experiment for themselves". When asked about Nitro percentages for the CDI, the answer was the same.

So the factory is not making any particular recommendations. Please ask Steph Carrier to post his results since we all want to get feedback on the precise fuel mix to use with the CDI engine.

atul



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RE: YS-170CDI Flight Report - 9/17/2008 11:41 PM   
papaone



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Now stéphane uses on his 170 cdi fuel made by factory Mecafuel 7 % oil and 20 % nitro.
Regards

< Message edited by papaone -- 9/17/2008 11:42 PM >

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RE: YS-170CDI Flight Report - 9/18/2008 6:16 AM   
atul


 

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ORIGINAL: papaone

Hi Atul123

Now stéphane uses on his 170 cdi fuel made by factory Mecafuel 7 % oil and 20 % nitro.
Regards


Papaone: Thanks for the heads-up. Is the Oil synthetic or a blend of Castor/Synthetic? Any ideas?

Also, I wonder what the effect would be of even lower nitro. Has Stephane tried 15% or even 10%? Just curious..

The 170 CDI would make a very economical SPORT engine : low weight, lots of power and great technology and reliability. Hence the questions.

Thanks,

Atul



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RE: YS-170CDI Flight Report - 9/18/2008 6:17 AM   
Timbba



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Status: offline 		Hmmn... CDI 110S would definitely be interesting...

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RE: YS-170CDI Flight Report - 9/18/2008 7:15 AM   
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ORIGINAL: atul123

The 170 CDI would make a very economical SPORT engine : low weight, lots of power and great technology and reliability.


Aside from the insane price tag, that is...

Mark

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RE: YS-170CDI Flight Report - 9/18/2008 10:44 AM   
atul


 

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ORIGINAL: mmattockx

Aside from the insane price tag, that is...

Mark


Correct. However, the real price is in the Fuel and not just the engine. The engine will last a long time if one props it slightly lighter. It's the fuel that's the killer, at $40/gallon. A quart of Synthetic oil is $12 right now in the USA so if one mixes 30% fuel then the fuel cost is significant (over $40/gallon in most countries). So lower oil and lower Nitro end up making the engine a great choice overall. And besides, it's just a cool engine. In about 20 gallons or so you can make up over half the cost of the engine, and you also get all the other attendant benefits of CDI...

I do like the idea of a 110S CDI. I'll have someone check at the factory. Hopefully next year!

atul

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RE: YS-170CDI Flight Report - 9/18/2008 7:07 PM   
mmattockx


 

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quote:

ORIGINAL: atul123


quote:

ORIGINAL: mmattockx

Aside from the insane price tag, that is...

Mark


Correct. However, the real price is in the Fuel and not just the engine. The engine will last a long time if one props it slightly lighter.


I was not referring to the price of the CDI version, just the price for any YS engine. What does a regular 170 go for, $800 or so? For that price tag you can buy a large gas engine and fly giant scale. As a sport engine, the YS line is grossly overpriced regardless of the economy or quality they offer. As a competition engine, they are superb.

Mark

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RE: YS-170CDI Flight Report - 9/18/2008 8:11 PM   
papaone



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Fuel is made with synthetic oil. With 170 cd, he did'nt use 15 % oil or 10 %. He used 5 % and now uses 7 %.
regards

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RE: YS-170CDI Flight Report - 9/19/2008 9:06 AM   
atul


 

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quote:

ORIGINAL: mmattockx

I was not referring to the price of the CDI version, just the price for any YS engine. What does a regular 170 go for, $800 or so? For that price tag you can buy a large gas engine and fly giant scale. As a sport engine, the YS line is grossly overpriced regardless of the economy or quality they offer. As a competition engine, they are superb.

Mark


Mark - a DZ170 costs about $690 or so, depending on where you buy it. The CDI version is likely another $200+, so it is certainly expensive. An equivalent 'good' glo engine will cost you perhaps $450 or so, so the extra price for the "YS Benefits" - whatever these might be - is about $200. This price is easily made up in fuel costs.

Giant scale is good but also very expensive in terms of the cost of the airplane, servos, etc. It's a different beast. The point is that if one wishes to stick to glo engines, then Fuel cost is a critical issue to consider since most engines today are designed for high Nitro (which is a little bit of a pity, unfortunately). Personally, I think that the extra price tag on a YS is worth the money (Just as it is on a 2-stroke JETT) since you do get better quality with a YS compared to, say, an OS or other engine.

Atul

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RE: YS-170CDI Flight Report - 9/19/2008 9:13 AM   
atul


 

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ORIGINAL: papaone

Hi Atul13

Fuel is made with synthetic oil. With 170 cd, he did'nt use 15 % oil or 10 %. He used 5 % and now uses 7 %.
regards


If the CDI engine works well on 7%, that's excellent news : less cleaning, lower cost. Thanks for the clarification.

atul

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RE: YS-170CDI Flight Report - 9/19/2008 9:32 AM   
atul


 

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ORIGINAL: papaone

Hi Atul13

Fuel is made with synthetic oil. With 170 cd, he did'nt use 15 % oil or 10 %. He used 5 % and now uses 7 %.
regards


Papaone:

I understood that the Oil was 7% and not 15% or 10%. What I meant to ask was whether Stephane had ALSO tried lower NITRO - i.e. 15% nitro or 10% Nitro. What - if anything - was the affect of the lower Nitro on the DZ 170 CDI?

Thanks,

atul



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RE: YS-170CDI Flight Report - 9/20/2008 4:11 AM   
Jeff Boyd 2



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quote:

ORIGINAL: atul123


quote:

ORIGINAL: mmattockx

I was not referring to the price of the CDI version, just the price for any YS engine. What does a regular 170 go for, $800 or so? For that price tag you can buy a large gas engine and fly giant scale. As a sport engine, the YS line is grossly overpriced regardless of the economy or quality they offer. As a competition engine, they are superb.

Mark


Mark - a DZ170 costs about $690 or so, depending on where you buy it. The CDI version is likely another $200+, so it is certainly expensive. An equivalent 'good' glo engine will cost you perhaps $450 or so, so the extra price for the "YS Benefits" - whatever these might be - is about $200. This price is easily made up in fuel costs.

Giant scale is good but also very expensive in terms of the cost of the airplane, servos, etc. It's a different beast. The point is that if one wishes to stick to glo engines, then Fuel cost is a critical issue to consider since most engines today are designed for high Nitro (which is a little bit of a pity, unfortunately). Personally, I think that the extra price tag on a YS is worth the money (Just as it is on a 2-stroke JETT) since you do get better quality with a YS compared to, say, an OS or other engine.

Atul


Great points . . The 170CDI would not typically be used in a 'Sport' style airplane (we can spec other sizes and type of engines to perform well in Sport planes with out the expense of a YS170CDI). As Atul mentioned, Giant scale and Pattern (which is really ONLY where you would use a 170CDI) are totally different animals. Only a Giant Scale pattern plane would fly anything like a pattern plane . Giant Scale aeros fly great, but they aint no Pattern plane ! We choose our weapons

Cheers, JB

< Message edited by Jeff Boyd 2 -- 9/20/2008 4:18 AM >

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RE: YS-170CDI Flight Report - 9/20/2008 1:31 PM   
Timbba



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Status: offline 		Almost all YS engines are designed for competition use, they are not "sport" engines. That is why they are better quality and more expensive than others...

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RE: YS-170CDI Flight Report - 9/20/2008 10:27 PM   
papaone



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Steph uses 5 % and 7 % oil with 20 % nitro (propeller is APC 19x11).
He did'nt test lower nitro. But there is no problem of reliability with 15 % nitro, only engine will be less powerfull.
I saw his flights. With normal 170 duration is about 9 mn and with YS170 cdi duration is about 17 mn.
After flights no need to clean the plane.
Regards

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RE: YS-170CDI Flight Report - 9/20/2008 10:59 PM   
David Bathe



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Status: offline 		I don't believe ANY thread has ever made me want to spend money as much as this one!
The more I read, the more I'm convinced I have to have one of these!
Clean, quite, more friendly, far cheaper fuel costs and double running time. Have I forgotten anything?
Sounds just wonderful.
Where do I sign?

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RE: YS-170CDI Flight Report - 9/21/2008 12:06 AM   
atul


 

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quote:

ORIGINAL: papaone

Hi Atull

Steph uses 5 % and 7 % oil with 20 % nitro (propeller is APC 19x11).
He did'nt test lower nitro. But there is no problem of reliability with 15 % nitro, only engine will be less powerfull.
I saw his flights. With normal 170 duration is about 9 mn and with YS170 cdi duration is about 17 mn.
After flights no need to clean the plane.
Regards


Thanks Papaone. The 17 min flight duration is very encouraging. Clearly, this is going to be one great, and popular, engine.

It should ship towards the end of this year in Japan. Yamada is known to normally slip its estimated shipping dates by a month
or two..

atul

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RE: YS-170CDI Flight Report - 9/21/2008 12:10 AM   
atul


 

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ORIGINAL: Jeff Boyd 2

Great points . . The 170CDI would not typically be used in a 'Sport' style airplane (we can spec other sizes and type of engines to perform well in Sport planes with out the expense of a YS170CDI). As Atul mentioned, Giant scale and Pattern (which is really ONLY where you would use a 170CDI) are totally different animals. Only a Giant Scale pattern plane would fly anything like a pattern plane . Giant Scale aeros fly great, but they aint no Pattern plane ! We choose our weapons

Cheers, JB


JB - speaking of a "maching plane" for the 170CDI, can you suggest one? The Focus 2 is an option but what are the others? And where can we get them? Any pointers would be appreciated.

Atul

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RE: YS-170CDI Flight Report - 9/21/2008 2:04 AM   
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Status: offline 		Can anybody explain why %5-7% oil is enough in CDI version of YS170? Just wondering.

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