seanychen

My Feedback: (4)

30% heli fuel
APC 18x6W prop
9200 rpm peak
Over 18 lb. of measured static thrust.

john316

Those are very impressive numbers, what about long term effects from runing such high nitro content? Anybody out there have any longeevity data on 30%?

jmw

seanychen

My Feedback: (4)

Saito recommends 30% heli fuels themselves. I haven't run 30% long enough to tell yet.

Crash King

My Feedback: (24)

Long term effects, other than being broke? These things appear to GUZZLE fuel, 30% @ 18.95 per gallon and 5-6 flights per gallon that is
Some substantial fuel cost.

Toucan

My Feedback: (1)

It looks like I will have to sell of the engine I bought for Sean.

Sharad

john316

Roger that Crash King, these things do guzzle the fuel. I am amazed that my Moki 2.1 yields much better fuel economy than my 1.80 Saito and thats on 5% nitro. No comparison on power or vibration/noise levels as well. The only advantages to the Saito are light weight and that awesome fourstroke bark IMHO.

jmw

seanychen

My Feedback: (4)

What? Did you mean you have to sell the engine you bought "FROM" me? Did you try to run it yet? Why do you want to sell it?

maarten

I do not understand why in the US people are using the high nitro percentages.
I am flying saitos now for 4 years with 5% and 18% synthetic oil.
Power better then OS.
I tried 15% coolpower but did not notice the difference.
If more power is required: lighthen your plane, get a stonger engine.....
Why stress the engine? and your wallet,
unless you are a competition flyer.

just my 2 european euro cents.

seanychen

My Feedback: (4)

For some reason, I have noticed that Saitos have 2 power ranges:

5% nitro ~ 15% nitro

20% nitro ~ 30% nitro

Once you go to 20%, the rpm jumps by like 300~500, but not much more beyond 20% nitro. The 30% nitro does seem to have better response for heavy props, and smoother idle.

seanychen

My Feedback: (4)

Just tached the Saito 10 on 25% nitro fuel using APC 17x6 prop. Max rpm is like 10300.

john316

Seanychen, did not know that Saito made a 10. If so that is the strongest 10 I have ever seen. My 180 will not even turn an APC 17x6 prop that fast!

jmw

outssider

My Feedback: (23)

got 9700 with 17/6 apc using 15% 9900 with 30%

8500 with 18/6w with 15%

9200 wirh 17/8 apc on 15%

seanychen

My Feedback: (4)

Maybe it's the cold temperature here. Maybe during the summer I'd get 10k w/ APC 17x6.

Lee Belew

My Feedback: (2)

Wow guys those are expensive spinner. I do not have the budget to play the True Turn game of expensive spinners. I make my own spinner nuts and use them. I just fly sport planes so I don't mind not having a smooth nose on the plane. A spinner nut is good enough for me. I have included a photo of some

First photo my Saito with a spinner nut.

Second photo is a Ryobi with a spinner nut.

Third & Fourth photos are a Ryobi spinner nut for a friend of mine.

Good fllying

Lee

outssider

My Feedback: (23)

i just tacked my 180 with 17/6 apc and got 10,000 with 15%.

previously was only able to get 9700 with the exact same prop!! only difference is that it is now mounted on a glass mount that allows very little flexing when compared to the previous dave brown glass mount [X(]


has anyone had a similar experience, ie.....more rpm with a stiffer mount...i believe I have experienced this phenomenon before with other engines!!

rowe_s

What is the approximate elevation of the site you are running this engine at?

dmgadway

My 180 rpm readings:

17x8 apc: 9000(still a bit rich)
fuel: wildcat 20/20 ys.
temp: 30 degrees far.
humidity: very low

My high speed needle is 4 1/2 turns out. The cold dry air up here seems to require
a rich setting for a good consistant high speed run without running too hot.

john316

Something mujst be wrong with my 180, on an APC 17x6 I am still getting a maximum of about 9600 -9700 rpm leaned all the way out. Thsi is on Powermaster 15% with 18% castor/synthetic blend. I do have the Dave Brown FlexMount and that may be part of the problem. This thing vibrates a lot and sucks fuel at an unbelievable rate. Sure do love the sound though!

jmw

seanychen

My Feedback: (4)

That sounds about right. That's exactly what I got on my 180 w/ 17x6 on 15%. Mine was hard mounted. On 30% it should get 10200 rpm.

john316

I will have to give the 30% a try some time, I'm just afraid I won't want to go back!

JMW

seanychen

My Feedback: (4)

The $ factor made me go back to 20/20 fuel. I now use both, only going to 30% when I really need the power.

Oh, I just saw my Saito 10's awesome power That's quite a 10 huh?