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91
Open Forum / Re: Stalker 61 - model size / wing area
« Last post by Bill Hummel on April 28, 2024, 04:24:09 PM »
Hi Mike. If you “search” this forum (John Miller stalker) you will get lots of good Stalker info…John has really good knowledge on Stalkers, and is very willing to share! Also, Tom Dixon is the Stalker dealer in the US, can answer your questions as well.
Regards,
Bill
92
Open Forum / Re: Stalker 61 - model size / wing area
« Last post by Dave_Trible on April 28, 2024, 03:58:25 PM »
Hi Dave

Thanks for the feedback.

Any recommendations on fuel, props, engine setup welcome.

Cheers

mike
I don't actually have any myself so someone else will have to help with that.  Guys I fly with use them ( .51-.76 ) and like how they perform.  My observation is that you'd run these long-stroke style,  4-2 break with a 12-13" x 6 prop to start.  They will run without nitro but I believe these guys are using a small amount,  3-5%. 
93
1/2 A building. / Re: LiPo glow head power
« Last post by Dave Nyce on April 28, 2024, 03:31:45 PM »
94
1/2 A building. / Re: LiPo glow head power
« Last post by Dan McEntee on April 28, 2024, 03:23:19 PM »
   Now you jus need to put that in a square battery box with a Ray-O-Vac or Eveready label on it!!. Like the square ones that Cox put in their starter kits years ago. If you have a battery, the outside unwraps and lays flat on a copier!! Apply that to some chipboard and amaze your friends!! What are the details on the power supply? Got an item number or other ID for it? I wonder if that all would fit in the tube I make the faux dry cells out of? Looks great!!
  Type at you later,
   Dan McEntee
95
Classifieds / Re: Super Tiger 60's for sale
« Last post by Dan McEntee on April 28, 2024, 03:10:19 PM »
    Sent you an email
96
Classifieds / Super Tiger 60's for sale
« Last post by Matt Neumann on April 28, 2024, 02:22:46 PM »
I have three Super Tiger 60s for sale.  Two V60 and one G60.  One of the V60 is new and set up for stunt.  The other V60 has been run a little.  Probably broke in but that is about it.  It also is set up for stunt.  The G60 has been run more and has no venturi or needle valve. 

Tried to upload picture but it is too large.  I can send pictures via email if desired.

New ST V60  $150.  Slightly run ST V60  $120.  The G60  $90.  Plus shipping.

Email is mrstuka@rocketship.com
97
Open Forum / Re: Stalker 61 - model size / wing area
« Last post by Mike Quinn on April 28, 2024, 02:19:48 PM »
Hi Dave

Thanks for the feedback.

Any recommendations on fuel, props, engine setup welcome.

Cheers

mike
98
1/2 A building. / LiPo glow head power
« Last post by Dave Nyce on April 28, 2024, 02:07:21 PM »
For the kids to use, I make up sets of glow clip, wire, switch, and two D cells in parallel.

But I often have to make 50 or more starts in one day, and want to know the status of the battery. So I made a LiPo version as shown in the photo.
I bought a DC/DC power supply on Amazon (made by Drok) that has a capability of 4.5A. It has adjustable output current limit and adjustable output voltage.

https://www.amazon.com/dp/B07FL6PBZF?ref=ppx_yo2ov_dt_b_product_details&th=1

With the display, I can always know the voltage of the LiPo, as well as if the glow head clip is making good contact.
I set the output voltage to 1.4V and the current to 2.4A. This covers all of the Cox glow heads. (One of the high performance glow heads is only at 1.2V when it is at 2.4A. If it went up to 1.4V, the glow wire would get too hot, so it will not start because it only oscillates back and forth. So having both current limit and voltage setting makes sure all the glow plugs operate well.)

I use a 1500maH 3S battery that easily lasts all day. The battery is on Velcro, for easy swapping.
The power supply includes its own power switch, but still has some idle current when off, so I added an external SPST switch.
99
1/2 A building. / Re: #2 wood screws
« Last post by Dave Nyce on April 28, 2024, 02:01:40 PM »
Definitely yes! We use #2 x 3/8" long, pan head, slotted, stainless steel sheet metal screws for mounting a Cox Bee type engine to the Skyray plywood firewall.
On some other models, we may use same screw, but a 1/2" long, when mounting landing gear and the gear wire is not inlaid into the firewall. (To accomodate the greater depth that includes the gear wire diameter.)
100
Open Forum / Re: Half-A glowplug clip
« Last post by Dave Nyce on April 28, 2024, 01:55:07 PM »
I made a LiPo unit for the glow plug clip. Bought a power supply with adjustable current limit and voltage on Amazon, made by Drok.

 https://www.amazon.com/dp/B07FL6PBZF?ref=ppx_yo2ov_dt_b_product_details&th=1

I mounted it to a 1/8" hardwood sheet and added a switch. Runs all day, starting a Cox engine more than 50 times.
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