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Old 01-23-2010, 10:19 PM
  #16801  
w8ye
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Sounds like your fuel is bad
Old 01-23-2010, 11:33 PM
  #16802  
glowplugboy
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ORIGINAL: Hobbsy

The LS needle is too rich, when it is lean the engine just quits, instantly, no cough, no sputter. Set the LS needle with the HS needle at absolute peak or you'll be chasing the LS needle forever.
Timely suggestion as I have been running the high speed needle about a third of a turn off peak. I will go ahead and peak it and then start chasing the LS again. My other Saito, a 1.50, has the LS needle just a turn or two from being flush with the side of the throttle arm, causing it to idle and transition nicely. Many thanks for the info.
Mike
Old 01-24-2010, 03:49 AM
  #16803  
TimT2000
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Old 01-24-2010, 04:01 AM
  #16804  
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Old 01-24-2010, 04:00 PM
  #16805  
glowplugboy
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MAny thanks for your help gentleman. It turns out I was very, very lean on the LS side of the carb. For the time being, the LS NV is about 2 turns above the side of the throttle arm. Nice steady idle, excellent transition to high throttle and fine midrange.

THANKS!!!!

Mike
Old 01-24-2010, 04:55 PM
  #16806  
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ORIGINAL: w8ye

Sounds like your fuel is bad
Tried a fresh gallon, no better. Any chance the prop is loading the engine to much not letting me get a clean tune? Are hs needle settings in the 3/4 turn out unheard of?

Thanks

871
Old 01-24-2010, 04:58 PM
  #16807  
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I would try a hotter plug, like an OS "F" before I started tearing into things again. My 450 was running very sluggish at high end, and a set of OS plugs made a tremendous difference.
Old 01-25-2010, 04:18 PM
  #16808  
kevinkenny
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I keep messing up on the size of the spinner nut for my Saito 91S. This is the  second set of nuts I ordered  the last being 1/4 by 28 and it is not correct. Can anyone help?
Best regards



Kevin
Old 01-25-2010, 04:21 PM
  #16809  
goirish
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Not sure if this is the proper place to post this. I had lunch with a club member today and he was saying on his Saito 120 that he is getting a lot of fuel leakage. Thinks it might be coming from the front bearing. The engine is inverted. Said that the pushrods tubes are soaked in fuel. Has anyone experieced this poblem. I do not own any Saitos so I was not any help. He also stated that he has to turn the HSN out about 3 turns for it to run good. Thanks
Old 01-25-2010, 04:23 PM
  #16810  
w8ye
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ORIGINAL: kevinkenny

I keep messing up on the size of the spinner nut for my Saito 91S. This is the second set of nuts I ordered the last being 1/4 by 28 and it is not correct. Can anyone help?
Best regards

Kevin
7 X 1 metric

Old 01-25-2010, 04:25 PM
  #16811  
w8ye
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ORIGINAL: goirish

Not sure if this is the proper place to post this. I had lunch with a club member today and he was saying on his Saito 120 that he is getting a lot of fuel leakage. Thinks it might be coming from the front bearing. The engine is inverted. Said that the pushrods tubes are soaked in fuel. Has anyone experieced this poblem. I do not own any Saitos so I was not any help. He also stated that he has to turn the HSN out about 3 turns for it to run good. Thanks
Sounds about right

He's probably got it a little rich but they are usually juicy on the out side. It is oil and not fuel.

Old 01-25-2010, 04:27 PM
  #16812  
kevinkenny
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well I was close on my first order when I ordered 8 * 1.25 thinking that it had to be a metric nut. Thanks I will have to reorder it again.


Kevin
Old 01-25-2010, 04:32 PM
  #16813  
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On some of these, there is a step back by the drive washer behind the threads that is 8 mm
Old 01-25-2010, 04:39 PM
  #16814  
kevinkenny
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well the 8mm i purchased is to big so it must be the 7mm.
Old 01-25-2010, 04:53 PM
  #16815  
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ORIGINAL: w8ye


ORIGINAL: goirish

Not sure if this is the proper place to post this. I had lunch with a club member today and he was saying on his Saito 120 that he is getting a lot of fuel leakage. Thinks it might be coming from the front bearing. The engine is inverted. Said that the pushrods tubes are soaked in fuel. Has anyone experieced this poblem. I do not own any Saitos so I was not any help. He also stated that he has to turn the HSN out about 3 turns for it to run good. Thanks
Sounds about right

He's probably got it a little rich but they are usually juicy on the out side. It is oil and not fuel.

Where would the oil be coming from?
Old 01-27-2010, 11:04 PM
  #16816  
mike early
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brand new .82a for 220 shipped is not a bad price:
http://cgi.ebay.com/ws/eBayISAPI.dll...#ht_500wt_1182
Old 01-30-2010, 03:04 PM
  #16817  
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Bearing question


I have a great Saito FA80 that runs well for quite a long time,
Have also got an elderly Saito 100 with more than 15 Gall. through it.
Both engine came to a point where bearings needs to be replaced.
Can someone tell me what are the bearing sizes for those engines, and what would be a recommended source for them?

Thanks
Old 01-30-2010, 03:16 PM
  #16818  
w8ye
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http://www.rc-bearings.com/catalog/i...f635a441c12314
Old 01-30-2010, 03:16 PM
  #16819  
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http://www.rc-bearings.com/catalog/i...f635a441c12314
Old 01-31-2010, 07:17 AM
  #16820  
kevinkenny
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She sure looked good at the Savanna before the first flight. We double checked every thing, I had Mark one of the very experience flyers go through the radio check independently from me, engine was running at 9,400 RPM at full power. Doubled checked the CG again. Conditions were very windy to the extent that I delayed the flight by a few minutes. Then I throttled up , lifted off and she immediately banked to the right. Maybe I did not have enough speed and she stalled, maybe a gust of wind.???? Every thing was still working on the ground, ailerons were not mixed up. The plane had been balanced before the flight. The damage is significant but repairable so we will put her back in the hanger and start again. This is the unfortunate part of our hobby. But it is still a great hobby. To get over the disappointment I immediately took up my Diablo and had two good flights. Diving right back in is the best cure.
Kevin
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Old 01-31-2010, 08:04 AM
  #16821  
w8ye
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You got the idea

" lifted off and she immediately banked to the right. Maybe I did not have enough speed and she stalled, "
Old 01-31-2010, 09:09 AM
  #16822  
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Yep.. that sounds exactly like my first warbird takeoff... and crash! You really need to get a warbird wing flying before you hit the elevator. I think a lot of people find out how easy a Sport ARF is to fly when they buy their first warbird.

Good luck with the repairs, and with your next takeoff!
Old 02-02-2010, 10:21 PM
  #16823  
Luna_Rendezvous
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Anyone interested in buying a gold plated 50th anniversary 30S..... http://www.horizonhobby.com/Products...odID=SAIE030GA

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Old 02-02-2010, 10:48 PM
  #16824  
mike early
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dirt cheap?
Old 02-02-2010, 10:59 PM
  #16825  
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pretty sweet. Youd really be having the bling bling on your plane the next time you go to the feild


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