Glow Engines Discuss RC glow engines

Welcome to Club SAITO !

Old 07-27-2011, 09:41 AM
  #20451
mschulz531
 
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Quote:
ORIGINAL: hsukaria


Quote:
ORIGINAL: Hobbsy

H, all the Saitos larger than the little .30 will run perfectly on 5%, the .30 needs to idle about 200 rpm faster on 5%.
I'll try it, won't hurt. I have with 5% castor and all synthetic mixes. 5% is noticeably cheaper than 15%, and at the rate of 1.8's consumption, it will make a difference in $$$.
Cool; lesson learned for me about the 5% nitro.
Just make sure you post some flight videos so we can hear the sound of that sweet engine running!

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Old 07-27-2011, 10:33 AM
  #20452
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ORIGINAL: mschulz531


Quote:
ORIGINAL: hsukaria


Quote:
ORIGINAL: Hobbsy

H, all the Saitos larger than the little .30 will run perfectly on 5%, the .30 needs to idle about 200 rpm faster on 5%.
I'll try it, won't hurt. I have with 5% castor and all synthetic mixes. 5% is noticeably cheaper than 15%, and at the rate of 1.8's consumption, it will make a difference in $$$.
Cool; lesson learned for me about the 5% nitro.
Just make sure you post some flight videos so we can hear the sound of that sweet engine running![img][/img]

I will once I get the radio installed, programmed and CG balanced. I'm bummed out that the plane needs 1.5 lbs of weight added to the nose (it's a Great Planes Giant Big Stick). I guess that shows how much a Saito is lighter than a gas engine.
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Old 07-27-2011, 12:16 PM
  #20453
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Put this 1.82 on it and you may get away with just placing the battery up beside the tank. This with twin TurboHeaders would sound awesome.
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Old 07-27-2011, 12:32 PM
  #20454
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ORIGINAL: Hobbsy

Put this 1.82 on it and you may get away with just placing the battery up beside the tank. This with twin TurboHeaders would sound awesome.
Wait, let me check my pockets for some loose change, I might be able to buy one.
That engine will make my plane look ugly.
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Old 07-27-2011, 12:47 PM
  #20455
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Yep, that loose change syndrome just ruins everything.
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Old 07-27-2011, 05:30 PM
  #20456
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I have a 182. It is a nice easy running engine.
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Old 07-27-2011, 11:19 PM
  #20457
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Here in OZ it is easy to get all the components to mix glo fuel (nitro, methanol and oil both castor and synthetic and if you are good looking and have a silver tongue you can also buy ether to make diesel fuel.
It is considerably cheaper "to mix your own" glo fuel and given the cost of carf fuel (ULP)  (unleaded petrol).
I mix or get mixed (by my mate) all my fuels (diesel and glo) on an as needs basis so as it is fresh when used.
Re old farts post methinks he might have been sniffing some Bundy Happy juice (rum to the others in this world)
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Old 07-27-2011, 11:44 PM
  #20458
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You've managed to get ether? I haven't, AFAIK it's a controlled substance as the druggies use it to make speed or something.

Don't even get me started on asking for amyl nitrate.
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Old 07-28-2011, 12:00 AM
  #20459
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Yep in commercial quantities, you have to plug into the O/T network, and for amyl nitrate use IPN or diesel improve (as in trucks).  We also can get syringes etc to measure quantity of fuel going into tanks for Texaco.
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Old 07-28-2011, 12:59 AM
  #20460
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Quote:
ORIGINAL: hsukaria


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ORIGINAL: Old Fart

Hi huk don't be a wally stick with glo it's cheaper in the long run mate!@!
Ok, can somebody please translate this to American?
Howdy Im a aussie too and I wouldnt have a clue what hes on about. Cheers the pope
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Old 07-28-2011, 05:54 AM
  #20461
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Hello popey how ya doin and a quick translation,good sound don;t come cheap and the exchange rate for US dollars is good at the moment.If it plunges in the future i'll suffer and pay up
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Old 07-28-2011, 10:34 PM
  #20462
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Hello popey how ya doin and a quick translation,good sound don;t come cheap and the exchange rate for US dollars is good at the moment.If it plunges in the future i'll suffer and pay up
Howdy O.F. not only am I confused with your other post but what the heck is the last one about? I think its time to lay off the turps or change your meds.Cheers from the pope
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Old 07-29-2011, 04:13 AM
  #20463
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My vocabulary is expanding rapidly lately.
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Old 07-29-2011, 04:58 AM
  #20464
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Hi popey and huk,i'm saying that buying nice aeroplanes and cheap two strokes don;t always mix well.If you want to cheapen up the full saito sound experience by running less nitro be my guest brother
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Old 07-29-2011, 06:17 AM
  #20465
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Hi popey and huk,i'm saying that buying nice aeroplanes and cheap two strokes don;t always mix well.If you want to cheapen up the full saito sound experience by running less nitro be my guest brother
No problem, I still haven't started the engine yet. I am working on the radio installation and then will work on rebalancing the CG. After all that, I will run the engine and see where to go from there: 5% nitro, 15% nitro, convert to gas....who knows. My MOOD might change by then. The long, cold Michigan winter will come soon and things change[&o].
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Old 07-29-2011, 11:19 AM
  #20466
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The nitro % will not change the sound other than higher will add a few rpm, not enough to be worth it in my opinion.
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Old 07-29-2011, 11:52 AM
  #20467
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The nitro % will not change the sound other than higher will add a few rpm, not enough to be worth it in my opinion.
I also like the sound of money in my pockets!!!
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Old 07-29-2011, 12:53 PM
  #20468
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When adjusting the valve on these mills, do you want a slight drag on the feeleer gauge like you do in full size engines or to you want the feeler gauge to slip freely? Ijust adjusted the valves in the 3 saitos i have and did them with a slight drag on the feeler gauge and just want to make sure i did it right. thanks
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Old 07-29-2011, 02:15 PM
  #20469
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I would concur in that a slight drag is good when setting the valve gaps.

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Old 07-30-2011, 06:47 AM
  #20470
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I guess the best to to explain it is to have a bit of feel in the guage when sliding it in and out perpendicular. A bit of grab is too tight, and feeling almost nothing is a bit too open.
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Old 07-30-2011, 06:49 PM
  #20471
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Quote:
ORIGINAL: Hobbsy

The nitro % will not change the sound other than higher will add a few rpm, not enough to be worth it in my opinion.


Low compression, modern revisions of Saito four-strokes are sluggards in throttling and top end power without 20% or more nitromethane in the fuel.

This is one of the few subjects on which Hobbsy and I disagree. Then again, I suspect that he flies around at 1/4 to half throttle most of the time anyway, so he probably wouldn't notice the difference in engine performance using lower nitro fuels.


Ed, NM2K
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Old 07-30-2011, 07:28 PM
  #20472
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Hobbsy has several high compression early model Saito engines
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Old 07-30-2011, 10:54 PM
  #20473
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I would concur NM2K.  To make them go you need about 30% +
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Old 07-31-2011, 03:44 AM
  #20474
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Ive run them on 15 and 30 and find no appreciable power increase...
May just be my style of flying.
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Old 07-31-2011, 06:29 AM
  #20475
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More nitro? Forget that, you really want a roots supercharger on those low compression Saito engines. Except for a few exceptions, all my 4 stroke engines run perfectly fine off of 5% nitro fuel. All of my Saito engines that I have and have had work fine on 5% nitro fuel. Granted I have only used a couple of new FA-40A engines on my twin engine plane, all the rest are older designs.







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