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Everything Radial Engines

Old 01-21-2011, 01:30 PM
  #2851  
Ken41
 
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Default RE: Everything Radial Engines

Hi,

I just got a ASP FS400AR that I am in the process of installing in a Flair Stearman. The Stearman had a Saito 180 installed, and it looks like I will have to move the firewall back about 1 1/8". The Saito 180 installation had 3 lbs of lead on the aft section of the engine mount. Looks like the FS400AR should work without the need for extra weight added to get a good CG.

Any comments or suggestions will be appreciated. Is the McDaniel's glow driver the best way to go?

Ken
Old 01-21-2011, 04:08 PM
  #2852  
nilsreinert123
 
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Default RE: Everything Radial Engines

I used a switch from an old bilge pump ,and used a spring connected to the throttle servo horn to break the circuit with two 3500mAh D cell batteries in paralell . This worked fine and is a cheap way to do it.
I now have a microsense glow driver , but i would probably have done fine with my old system
Old 01-21-2011, 06:48 PM
  #2853  
retransit
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Default RE: Everything Radial Engines

Ken,
The 1.80 Saito weighs 31 oz. without the muffler. The ASP weighs 6.17 lbs. for a difference of about four pounds. By moving the engine mass rearward you will probably come out pretty close to even on moment arms of the two engines, including your 3 lbs. of lead with the 1.80.

There are multiple ideas on glow drivers. I have a McDaniel R/C driver:

http://www.sonictronics.com/xcart/pr...cat=308&page=1

I bought mine at RCU's market place NIB for about $75. They had a sale a while back at Sonic Tronics but now the price is back up. Keep an eye out on RCU if that is the way you want to go. Mine works perfectly, but there are some others that are good also. I have a 4.8 volt pack of D cells which I purchased here:

http://www.batteryspace.com/hightemp...lattop1pc.aspx

McDaniel specifies NiCd cells only for this glow driver.

Bob
Old 01-21-2011, 08:16 PM
  #2854  
Sundownee
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Default RE: Everything Radial Engines

WOW, been kinda quiet for awhile,

Just an update, my first radial (ST7-35) is on her way, should arive here on Monday the 24 thru fedex. Been a long haul but going to be wroth it.

Paul
Old 01-23-2011, 05:58 AM
  #2855  
JRSmith
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Default RE: Everything Radial Engines


ORIGINAL: radial1951


ORIGINAL: CKLLOYD

what about a small moki great sound and power. I know that I plan on putting one in my 1/3 scale p26 peashooter

I couldn't agree more. Big capacity, gasoline and spark ignition. Nothing comes close. That will be a nice plane.

Mokis are very reasonably priced, considering what you get and the proven engineering.

BUT, of course, the whole game is lifted UP to the NEXT LEVEL. Big aircraft, serious radio gear, electronics, control systems, even transport. Not complaining, mind you...

The 150 is a sweet engine all right. I wonder what ever happened to that SL Engines 150 ? Did it ever reach real production after the sh*t fight that went on?

Regards, radial1951


Just a quick update on what I know. The SL150 is now the PRM150 and is starting to reach full production. Diego has done a great job with customer service and making things right. The motor has some of the new following upgrades

1. Replaced the lock rods that cover the shafts of the rocker (formerly oring, now seeger) for a better lock.
2. Changed the material for the seals of the exhaust and intake
3. Changed the locking system between the head and the cylinder with a new two-component paste that withstands up to 400 ┬░ Celsius, the engine with the old gasket, if they lose, they can be repaired or replaced under warranty.
4. The supplier of electronic units worked great for a new drive with a faster processor and more robust cabling.
engines in service work perfectly, mechanically and electronically.

I have run mine and it is a good performer but mine was a early version and it did leak were the cylinder head is screwed to the cylinder. I was not able to get top end RPM due to the leak, but even with it, the motors idle is excellent with good transition. Diego is replacing the motor with a new one and I should have the new motor soon. I have already shipped my old motor back. Diego is upstanding person and does what he says he is going to do speaking from my personal experience.

I know there were some problems in the past that were aired in this public forum and hoping they will stay away and allow this engine to speak for itself. Here is a video of the second engine run and when I quote RPM in the video, I mean 5,280 not 5,800. Take care.

Jason

[youtube]http://www.youtube.com/watch?v=6oowD27AQWw[/youtube]

Old 01-23-2011, 09:55 AM
  #2856  
Kmot
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Default RE: Everything Radial Engines

What the heck is that loud buzzing noise?
Old 01-23-2011, 10:19 AM
  #2857  
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Default RE: Everything Radial Engines

a hefty fuel pump.......louder than than the engine itself
Old 01-23-2011, 10:53 AM
  #2858  
Linkan2
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Default RE: Everything Radial Engines

The UMS as update the engines  7-70 is 7-77 and 9-90 is 9-99 and 7-250B is 7-260B
Lars
Old 01-23-2011, 10:58 AM
  #2859  
JRSmith
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Default RE: Everything Radial Engines


ORIGINAL: Kmot

What the heck is that loud buzzing noise?
SJN is correct, that is the fuel pump from Vogelsang Aeroscale. Very nice quality pump, but a little on the noisy side.

Jason
Old 01-23-2011, 11:11 AM
  #2860  
77chickenhawk
 
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Default RE: Everything Radial Engines

yea i noticed that yesterday..
Old 01-23-2011, 02:41 PM
  #2861  
fredo
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Default RE: Everything Radial Engines


ORIGINAL: JRSmith


ORIGINAL: Kmot

What the heck is that loud buzzing noise?
SJN is correct, that is the fuel pump from Vogelsang Aeroscale. Very nice quality pump, but a little on the noisy side.

Jason
Jason
Is it necessary to have fuel pump?
Cheers
Old 01-23-2011, 03:24 PM
  #2862  
JRSmith
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Default RE: Everything Radial Engines


ORIGINAL: fredo


ORIGINAL: JRSmith


ORIGINAL: Kmot

What the heck is that loud buzzing noise?
SJN is correct, that is the fuel pump from Vogelsang Aeroscale. Very nice quality pump, but a little on the noisy side.

Jason
Jason
Is it necessary to have fuel pump?
Cheers

Fredo,

No, I do not think the fuel pump is required. I like the fuel pump for peace of mind. In the end I decided to run a fuel pump for two reasons, ease of starting and location of the fuel tank in my installation. I have talked with Diego about the mechanical pump and he said it will pull from a tank located well below the carb with no problem, but I already had the pump so I elected to use it. Let me know when you get your motor. Talk to you later.

Jason
Old 01-23-2011, 06:13 PM
  #2863  
outacontrol41
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Default RE: Everything Radial Engines


ORIGINAL: Linkan2

The UMS as update the engines 7-70 is 7-77 and 9-90 is 9-99 and 7-250B is 7-260B
Lars
Is this possibly why all the Seidel engines are backordered at Hobby King? Is the 7-70 discontinued?
Old 01-23-2011, 06:33 PM
  #2864  
outacontrol41
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Default RE: Everything Radial Engines


ORIGINAL: Ken41

Hi,

I just got a ASP FS400AR that I am in the process of installing in a Flair Stearman. The Stearman had a Saito 180 installed, and it looks like I will have to move the firewall back about 1 1/8''. The Saito 180 installation had 3 lbs of lead on the aft section of the engine mount. Looks like the FS400AR should work without the need for extra weight added to get a good CG.

Any comments or suggestions will be appreciated. Is the McDaniel's glow driver the best way to go?

Ken
Ken,
I'm thinking about using your setup for my Flair Stearman. Can you post some photos of your engine installation? I'd like to follow your lead on this...
Old 01-24-2011, 04:30 PM
  #2865  
Ken41
 
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Default RE: Everything Radial Engines

outofcontrol41,

I'll take pictures and post them. It maybe a day or so. I removed the the fake radial, aft cowling, and removed the the 180. Took the fake radial off of the aft cowling,
and it looks like the 400AR will need the firewall moved forward for the intake pipes to clear the aft cowling. I'll take pictures of this so you can see what I am talking about. I think that moving the engine forward will workout as a plus for getting the CG in the correct spot. A rear collector ring may also cause clearence problems with the aft cowl. Keleo front mount exhaust is out of stock, but I may try and build one with brass tubing and silver solder. I have the correct CG marked on the top wing center section, and the CG is looks ok when just using fingers to lift the airframe.

Bob,

Thanks for the info on the McDaniel's glow driver. I'll keep a watch for a possible sale.

Ken

Old 01-24-2011, 04:47 PM
  #2866  
BobH
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Default RE: Everything Radial Engines

The 7-77 and the 7-70 dont appear to be much different. What is noticable is the lack of.. Designed in Germany .. interesting.
Old 01-25-2011, 04:02 AM
  #2867  
Ken41
 
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Default RE: Everything Radial Engines

I took a few pictures this morning. I'll take more with the engine and aft cowl removed.

Ken
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Old 01-25-2011, 04:46 AM
  #2868  
outacontrol41
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Default RE: Everything Radial Engines


ORIGINAL: Ken41

I took a few pictures this morning. I'll take more with the engine and aft cowl removed.

Ken
Ken, That looks sharp. This very similar to how mine will look with my OS FR-300 5 cyl. Do you have any idea of how much your Stearman weighs right now with your ASP hanging on the nose?
Old 01-25-2011, 07:10 AM
  #2869  
retransit
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Default RE: Everything Radial Engines

Ken, I don't see the manufacturer's plate on the crankcase. Is it there?

Bob
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Old 01-25-2011, 07:13 AM
  #2870  
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Default RE: Everything Radial Engines

you can se the holes in the first picture for the rivits where it used to be
Old 01-25-2011, 07:24 AM
  #2871  
Maxam
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Default RE: Everything Radial Engines

Ken41. I have a new McDaniels 5 cyl glow driver I am not using PM if interested. -Tom
Old 01-25-2011, 10:03 AM
  #2872  
Kmot
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Default RE: Everything Radial Engines

It looks good with or without the makers badge. Or, you can make your own custom badge.



Old 01-25-2011, 10:15 AM
  #2873  
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Default RE: Everything Radial Engines

You outdid yourself KMot that engine is now too pretty to run. You might get it dirty.


But in any case, you did a nice job fixing it back up and getting it to look so nice too.


Old 01-25-2011, 11:25 AM
  #2874  
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Default RE: Everything Radial Engines

I agree, did you do some extra buffing on that?

Earlwb, do you fly at the 114th? I used to live in Grapevine about 9 years ago and flew at the 114th. I lived close to the high school back then. I must say I miss Texas flying. Virginia is good, but......
Old 01-25-2011, 11:41 AM
  #2875  
retransit
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Default RE: Everything Radial Engines

Extra buffing? HA!

I'll let Kmot answer that.

Bob

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