Notices
Glow Engines Discuss RC glow engines

Welcome to Club SAITO !

Old 08-18-2013, 01:16 AM
  #25326  
 
Rudolph Hart's Avatar
 
Join Date: Apr 2008
Location: Perth, AUSTRALIA
Posts: 4,383
Likes: 0
Received 2 Likes on 2 Posts
Default

I thought somebody would have chimed in by now to help you.I have a larger saito twin but have not timed that yet,you should see the timing marks illustrated in the small engine handbook that comes with it.If you don't have that google it they come up real easy and good luck,it's a simple operation.
Old 08-18-2013, 01:17 AM
  #25327  
 
Rudolph Hart's Avatar
 
Join Date: Apr 2008
Location: Perth, AUSTRALIA
Posts: 4,383
Likes: 0
Received 2 Likes on 2 Posts
Default

ps forgot to say that the 90 is one of the best sounding twins i've heard.
Old 08-18-2013, 03:28 AM
  #25328  
 
smkrcflyer's Avatar
 
Join Date: Sep 2006
Location: Hamburg, PA
Posts: 1,013
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks old fart, I'm going to look at that manual. I'm going to take pictures and make notes so I can get it back together the way it is now. It runs good but is leaking. I'm planning to put it on a sig cub that is still in the box so I have lots of time.
Old 08-18-2013, 05:43 AM
  #25329  
My Feedback: (3)
 
Join Date: Oct 2002
Location: Fair Oaks Ranch, TX
Posts: 2,635
Received 3 Likes on 2 Posts
Default

Originally Posted by FNQFLYER
when using the extension on the needle valve be aware of vibration, i have found damage to the taper that has been tracked back to long term use of the extensions. in saying that i have not had any trouble personally. could be because i give plenty of clearance around the exit point from the cowl for the extension
This is not a problem if you insure the extension is not touching anything. The other 'trick' is to use a small piece of 1/16 music wire with a flat filed just short of the end so the grub screw has a place to sit and a lip to stop the extension from falling out. Having to remove the (any) cowl to fix a missing extension is contrary to having fun and WORK!.
Old 08-20-2013, 04:18 AM
  #25330  
 
Rudolph Hart's Avatar
 
Join Date: Apr 2008
Location: Perth, AUSTRALIA
Posts: 4,383
Likes: 0
Received 2 Likes on 2 Posts
Default

It also does'nt hurt to use the shortest small piece of flexible steel cable that is well supported by a small hole in the cowl.
Old 08-20-2013, 04:48 AM
  #25331  
My Feedback: (15)
 
jkr_1100's Avatar
 
Join Date: Apr 2009
Location: Highland, MI
Posts: 360
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by Old Fart
It also does'nt hurt to use the shortest small piece of flexible steel cable that is well supported by a small hole in the cowl.
You should use the correct Saito "full throttle needle extension" just for the packaging. I like the idea of grinding a flat blade slot in it my self.
Old 08-21-2013, 08:51 AM
  #25332  
My Feedback: (102)
 
Hobbsy's Avatar
 
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes on 25 Posts
Default

I mentioned alsewhere that I have my early high compression Saio 1.50 back to the stock intake pipe. I just running if for about a half hour using up most of a 16 oz tank. There is no spinner on it for a reason, I could not get it started with the spinner installed. There is just not enough traction between the prop driver and the metal backplate of the Try-Turn spinner. I will fix that with a pin in the backplate.


Saito 1.50
Prop==15x7 three blade
Plug==Horizon H plug
Fuel WildCat 15% Premium Extra
Cline regulator
TurboHeader exhaust.
Rpm==8,400 plus a few.

Picture @ 6,500 rpm running very smoothly
Attached Thumbnails Click image for larger version

Name:	Saito 1.50 running 001 (Small).jpg
Views:	99
Size:	67.3 KB
ID:	1911167   Click image for larger version

Name:	Saito 1.50 running 002 (Small).jpg
Views:	97
Size:	62.4 KB
ID:	1911168  

Last edited by Hobbsy; 08-21-2013 at 08:54 AM.
Old 08-21-2013, 07:14 PM
  #25333  
My Feedback: (17)
 
SRQFlyer's Avatar
 
Join Date: Sep 2002
Location: Nokomis FL
Posts: 145
Likes: 0
Received 0 Likes on 0 Posts
Default

Regarding needle valve extensions: I have found that very long ones are nothing but trouble after a while. I make up and use a little (short, that is) 4-40 bolt cut down and turned or filed to fit in the "extension" hole in the needle valve. These would be hard to find inside a cowl, so I cut off the larger end of a glue nozzle (actually a pipette tip) so that it just captures the head of the bolt. That makes it very easy to get the ball driver into the socket head of the bolt. The pictures aren't great, but should show what I mean. These work great on Saitos (of course), but can also be used on that other brand of 4-strokes.
Regards,
Jim
Attached Thumbnails Click image for larger version

Name:	P1000567.JPG
Views:	104
Size:	152.0 KB
ID:	1911367   Click image for larger version

Name:	P1000566.JPG
Views:	95
Size:	154.5 KB
ID:	1911368  
Old 08-21-2013, 07:19 PM
  #25334  
My Feedback: (15)
 
jkr_1100's Avatar
 
Join Date: Apr 2009
Location: Highland, MI
Posts: 360
Likes: 0
Received 0 Likes on 0 Posts
Default

I wanted to showcase my recent acquisition. someone built the mother of all engine test stands. I was lucky enough to pick it up third hand.
takes two hands to lift it. 1 inch steel plate.
Attached Thumbnails Click image for larger version

Name:	engine stand.JPG
Views:	140
Size:	1.94 MB
ID:	1911369  

Last edited by jkr_1100; 08-21-2013 at 07:31 PM.
Old 08-22-2013, 04:25 AM
  #25335  
 
Rudolph Hart's Avatar
 
Join Date: Apr 2008
Location: Perth, AUSTRALIA
Posts: 4,383
Likes: 0
Received 2 Likes on 2 Posts
Default

Hi mate i can't believe you got the cajune's to call that thing a heavyweight engine test stand have a look at dave's and the huge pile of firewood that's stacked next to it.Mind you i've a question to ask that bloke myself..if he's so good at tuning saito's you'd think it woul;d be no problemo with hand starting the hugely high compession 150 eh?..we all do that here in aus haw
Old 08-22-2013, 04:37 AM
  #25336  
My Feedback: (15)
 
jkr_1100's Avatar
 
Join Date: Apr 2009
Location: Highland, MI
Posts: 360
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by Old Fart
Hi mate i can't believe you got the cajune's to call that thing a heavyweight engine test stand have a look at dave's and the huge pile of firewood that's stacked next to it.Mind you i've a question to ask that bloke myself..if he's so good at tuning saito's you'd think it woul;d be no problemo with hand starting the hugely high compession 150 eh?..we all do that here in aus haw
Dave likes to run engines to season his firewood with a little castor oil?
Old 08-22-2013, 05:35 AM
  #25337  
My Feedback: (102)
 
Hobbsy's Avatar
 
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes on 25 Posts
Default

Several back flipping attempts resulted in the prop coming off and one occasion it whacked me in the rib cage. As I mentioned above the backplate on the spinner just did not have enough grip. Spinnerless, it fired right up on the first back flip. I actually have the prop driver drilled and tapped for a drive pin. That pile of wood is only about 1/3rd enough so it's time to fire up the 24" Poulan and hook up my ugly old trailer and head for the woods. That trailer has wheel bearings that would rival an 18 wheeler and is rated at 3,500 lbs. Made in Oklahoma by WW.

The Saito 1.50 is going on a GoldBerg Tiger 120.
Attached Thumbnails Click image for larger version

Name:	WW Trailer (Small).jpg
Views:	59
Size:	62.7 KB
ID:	1911556  
Old 08-22-2013, 06:02 AM
  #25338  
My Feedback: (102)
 
Hobbsy's Avatar
 
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes on 25 Posts
Default

Originally Posted by jkr_1100
Dave likes to run engines to season his firewood with a little castor oil?
True that, I thought perhaps my numbers with the 15x7 3 blade were a little low, but in Clarence Lee's test of this very engine he got 8,400 with 16x8, so it is all good.

Mr. Lee lists the compression ratio at 11.24 to 1.

Last edited by Hobbsy; 08-22-2013 at 06:05 AM.
Old 08-22-2013, 06:24 AM
  #25339  
My Feedback: (2)
 
Dolphpb's Avatar
 
Join Date: Jul 2011
Location: Peosta, IA
Posts: 23
Likes: 0
Received 0 Likes on 0 Posts
Default

My 1.50 had the muffler vibrate off and strip the threads. I bought another new muffler and header pipe and in 3 or 4 flights it vibrated off too. I thought it was tight enough but I didn't put locktite on it. Am I missing something here? Prop is balanced and spinner too.
Old 08-22-2013, 06:38 AM
  #25340  
My Feedback: (102)
 
Hobbsy's Avatar
 
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes on 25 Posts
Default

Dolph, if the threads are still usable wrap two layers of Teflon Plumbers tape around the threads. And, don't be bashful about tightening it up.
Old 08-22-2013, 06:52 AM
  #25341  
 
Join Date: Feb 2007
Location: Dearborn, MI
Posts: 3,216
Received 1 Like on 1 Post
Default

How high can the muffler be set above the cylinder head before you have to start worrying about excessive vibration and muffler getting loose or breaking?
Old 08-22-2013, 07:30 AM
  #25342  
blw
My Feedback: (3)
 
blw's Avatar
 
Join Date: Mar 2004
Location: Opelika, AL
Posts: 9,447
Likes: 0
Received 2 Likes on 2 Posts
Default

Dave, the wood goes in the truck bed.

I faced a dilemma when I bought my truck last year and went with a removable backflip type of cover. It comes off in a couple of minutes and covers all my planes and gear when installed. I almost got a topper like yours. Had it a year now.

Attached Thumbnails Click image for larger version

Name:	rugged liner.jpg
Views:	79
Size:	13.9 KB
ID:	1911569  

Last edited by blw; 08-22-2013 at 07:36 AM.
Old 08-22-2013, 08:15 AM
  #25343  
My Feedback: (102)
 
Hobbsy's Avatar
 
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes on 25 Posts
Default

Barry, what I do is unhook the trailer and fill the truck up first, it has an 8' bed, trucks with less than an 8' bed should be called cars. The I reconnect the trailer and fill it up too. My F-150 has a trailer towing package and the stabilizing package so handles heavy loads like it was nothing. For $160.00 that is best thing you can do for your truck.

As to H's question, I don't ever put the muffler above the head except with a TH. The stock mufflers offer too much pendulum effect to suit me.
Old 08-22-2013, 08:32 AM
  #25344  
 
Join Date: Feb 2007
Location: Dearborn, MI
Posts: 3,216
Received 1 Like on 1 Post
Default

Regarding the muffler, that is what I thought. I recently purchased 2 Turboheader mufflers after hearing about it from you guys. I am very happy with them. It allowed fitting the muffler inside a warbird cowl and preserving the good looks of the plane. The guys at the field are impressed with the "mean" sound it makes. I suspect some of them will buy themselves some of these also.

Regarding trucks, I just recently (3 months ago) purchased an old F-150 (with an 8-ft bed of course) and put a used cap on it. During the week, my sons use it, and during the weekend, I use it to haul my planes. Now I need to build some sort of rack to hold more planes in it.
Old 08-22-2013, 10:06 AM
  #25345  
My Feedback: (28)
 
bob62's Avatar
 
Join Date: Jan 2004
Location: Bay City, TX
Posts: 474
Likes: 0
Received 0 Likes on 0 Posts
Default

How does one join this club, I have a 72, two - 91, 2 - 100, one - 125, and three - 150

Last edited by bob62; 08-23-2013 at 07:03 PM.
Old 08-22-2013, 11:48 AM
  #25346  
LDM
My Feedback: (15)
 
Join Date: May 2003
Location: Denver, PA
Posts: 9,326
Likes: 0
Received 1 Like on 1 Post
Default

I must bow my head in shame , I sold all of mine , some new and at a great price as I am now flying all eletric !!
Sorry , i am not deserved of the Saito brotherhood , but they still allow me in at the nudie bar ,
goodby brothers , and may the glow power be with you
Old 08-22-2013, 11:53 AM
  #25347  
 
Join Date: Feb 2007
Location: Dearborn, MI
Posts: 3,216
Received 1 Like on 1 Post
Default

Originally Posted by LDM
I must bow my head in shame , I sold all of mine , some new and at a great price as I am now flying all eletric !!
Sorry , i am not deserved of the Saito brotherhood , but they still allow me in at the nudie bar ,
goodby brothers , and may the glow power be with you
The bigger shame is that you did not sell them to me at a great price.
Old 08-22-2013, 11:56 AM
  #25348  
LDM
My Feedback: (15)
 
Join Date: May 2003
Location: Denver, PA
Posts: 9,326
Likes: 0
Received 1 Like on 1 Post
Default

sorry bro, ebay was the evil path

Last edited by Hobbsy; 08-22-2013 at 01:16 PM.
Old 08-22-2013, 12:36 PM
  #25349  
blw
My Feedback: (3)
 
blw's Avatar
 
Join Date: Mar 2004
Location: Opelika, AL
Posts: 9,447
Likes: 0
Received 2 Likes on 2 Posts
Default

Even better, Dave. Still, kinda hard tossing wood into the bed though?. I mentioned the backflip way because it seemed to be the answer to everything for me. I had to bring home a load of furniture last month and needed all of the bed. I figure a cap makes it almost a SUV Anyway, these things go on and come off in a couple of minutes. Before I get back on topic, mine was $500+ in town and $330 shipped from, believe it or not, Amazon.

There's a guy in our club who has a couple of small-medium 4 strokes with his mufflers sticking straight up like smoke stacks. They seem to do fine. I always wondered why he does that. Jim said he saw a picture of one of his planes with the engine turned 90 degrees. But, 90 degrees the other way where the exhaust was blowing into the canopy.

LDM, you'll be back. We're leaving a light on for you.
Old 08-22-2013, 06:14 PM
  #25350  
 
Rudolph Hart's Avatar
 
Join Date: Apr 2008
Location: Perth, AUSTRALIA
Posts: 4,383
Likes: 0
Received 2 Likes on 2 Posts
Default

I think it's time we gave LDM a taste of the karma feedback square..and a possible explanation for the rest of us as to exactly what it means.

Glad you took the jibe as humurous dave.All that timberwork must keep you pretty fit and have you tried cutting an #80 grit sanding disc to shape and fitting it between the prop and the spinner backplate/driver?

Thread Tools
Search this Thread

Contact Us - Manage Preferences Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.