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Search: Posts Made By: Pond Skipper
Showing results 1 to 17 of 17
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Forum: "1/2 A" & "1/8 A" airplanes
11-24-2017, 04:21 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

I would stick with the bench tested 4.5 x 4 if...

I would stick with the bench tested 4.5 x 4 if the plane is light just to bust 30k ish in the air with the CS but really a
4.75 x 4 for RC use would make for a good mix of speed / thrust and help...
Forum: "1/2 A" & "1/8 A" airplanes
11-24-2017, 02:56 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

Deed is done for now see data a video first CS...

Deed is done for now see data a video first CS .061 RC and Profi tuned pipe:


https://www.youtube.com/watch?v=sWXR8PEJ8Cw

AmpAbuser...
Forum: "1/2 A" & "1/8 A" airplanes
11-23-2017, 07:43 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

I have had all good comments only twice was there...

I have had all good comments only twice was there something said I was forced to delete.
Was people suggesting music to use in the vid and links to their trans music. Just in case it
was a bad link...
Forum: "1/2 A" & "1/8 A" airplanes
11-23-2017, 02:24 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

My RC version actually uses a Nelson plug, I put...

My RC version actually uses a Nelson plug, I put hex head bolts on it rather than the original flush flat head type.
I will end up with pipe pressure tap and swap that back plate to the CL version...
Forum: "1/2 A" & "1/8 A" airplanes
11-23-2017, 11:07 AM
Replies: 56
Views: 10,112
Posted By Pond Skipper

I have 4 CS engines two RC two CL Speed. Yet to...

I have 4 CS engines two RC two CL Speed. Yet to fly them let alone bench test.
Most I have done is cut out the slots for the prop blades on the one shown.
Size comparison to the Fuji:
Forum: "1/2 A" & "1/8 A" airplanes
11-22-2017, 07:38 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

If for RC you can always run it a bit rich with...

If for RC you can always run it a bit rich with less pitch if no throttle to keep it tame enough till you are
use to it.
Forum: "1/2 A" & "1/8 A" airplanes
11-06-2017, 06:52 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

Another thing I like to do is grind off the...

Another thing I like to do is grind off the coupler portion of the pipe as shown, the silicon tube holds
great without the need of a zip tie. All the same I still have a iso-mount at the stinger to...
Forum: "1/2 A" & "1/8 A" airplanes
11-06-2017, 12:32 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

As shown with the .07 you can remove the stock NV...

As shown with the .07 you can remove the stock NV use a 90 deg nipple and run a NV well in the clear.
If you can't rotate to a tight fit you can use a nylon washer to clear or a two piece nipple as...
Forum: "1/2 A" & "1/8 A" airplanes
11-06-2017, 07:21 AM
Replies: 56
Views: 10,112
Posted By Pond Skipper

There is a .07 car engine I have 4 of them and...

There is a .07 car engine I have 4 of them and have had some good success with them as is with
some typical converting to aero use. The header pipe needs the lower half cut away and the back
plate...
Forum: "1/2 A" & "1/8 A" airplanes
11-05-2017, 11:34 AM
Replies: 56
Views: 10,112
Posted By Pond Skipper

GP-07 I benched tested that engine with the...

GP-07

I benched tested that engine with the following results:


https://www.youtube.com/watch?v=P10XsPvkleM

AmpAbuser (https://www.youtube.com/channel/UCMt1n1EmOIddv8ycNgKz7zA)
Published...
Forum: "1/2 A" & "1/8 A" airplanes
11-04-2017, 10:48 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

Another thing about the Fuji is run time I have...

Another thing about the Fuji is run time I have gotten longer runs with the 5x4.5 but not so much with the 4x4.5
Tank used was 2oz 5 mins ish vs 7.2 mins ish. Thirsty engine with the tuned pipe...
Forum: "1/2 A" & "1/8 A" airplanes
11-03-2017, 05:56 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

Here is another source, I have bought two pipes...

Here is another source, I have bought two pipes from him before. 1.15cc pipes for my .09 engines.


Profi .8cc tuned pipe you can call the guy and go from there:

Profi .8cc (.049cid) Glow 1/2A...
Forum: "1/2 A" & "1/8 A" airplanes
11-03-2017, 01:04 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

Per my last vid using thrust calc it makes way...

Per my last vid using thrust calc it makes way more power than at TD .49

Static: 5x4.5 / 20429rpm / 11.3oz thrust / .172hp / 128w / 87 mph

Mind you I did use a Profi tuned pipe = )
Forum: "1/2 A" & "1/8 A" airplanes
11-01-2017, 11:30 AM
Replies: 56
Views: 10,112
Posted By Pond Skipper

Yes if you are in the 200 -240 sq. in range you...

Yes if you are in the 200 -240 sq. in range you should have a moderately fast set up hitting 100 +mph but tame enough for
stunts and horsing around without it getting away from you.
Forum: "1/2 A" & "1/8 A" airplanes
11-01-2017, 06:16 AM
Replies: 56
Views: 10,112
Posted By Pond Skipper

What plane / est. weight I can recommend from...

What plane / est. weight I can recommend from there. It does make good power with the muffler supplied.
Need to set it up with a reasonable light load it is a car engine designed to unload up to...
Forum: "1/2 A" & "1/8 A" airplanes
10-31-2017, 07:46 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

The Profi pipe is a good for .049 to .07 size...

The Profi pipe is a good for .049 to .07 size engines very low in weight, with thin harden aluminum not easy to ding.
The Fuji did just fine with a 5x4.5N (N meaning narrow blade / cord prop) only...
Forum: "1/2 A" & "1/8 A" airplanes
10-31-2017, 04:48 PM
Replies: 56
Views: 10,112
Posted By Pond Skipper

The Fuji requires some refinement I have one at...

The Fuji requires some refinement I have one at 76.4g by using a smaller vintage OS 10 carb rather than the bulky one supplied.
I also took the time to reduce the head fins and spinner nut / prop...
Showing results 1 to 17 of 17


 
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