madfreestyler

I was talking to a few flying buddies of mine on the weekend that went to a jet meet last weekend. They said that they had been tipped off about a guy in the far east producing MW54 kits at a very competitive price. Does anyone have any idea where I can get one. By competitive I mean the price was sub £600 for the full kit including the fadec, pump, ecu etc....

Patrick B

You better read this
http://www.rcgroups.com/forums/showthread.php?t=263834

all 34 pages

greetz

CARS II

My Feedback: (7)

You will get what you pay for.

That's it.

CARS II

turn and burn

just my two pence worth but for the money i am going to order the kit form then if i dont like any thing in there i have it made still be a cheep turbine then

Patrick B

this is the site you want.
http://www.jetjoe.com/main.php

It's not a copy of a Wren ,read the thread I posted earlier.

grbaker

My Feedback: (29)

Anyone that is interested in the JetJoe turbine needs to read the complete discussion on RCGroups that Patrick B posted the link to.

JetJoe may be a viable turbine manufacturer some day, but they have a long way to go.

Patrick B

Thanks for backing me up Gary.

Skymac

My Feedback: (8)

This is the engine you guys are referring to...

Lee Cox

Is it just my failing eye sight, but in pic 3 it appears the engines running with no fuel in the line, no air getting into the tank vent and what looks like no battery to run the pump or receiver ?

Lee

Skymac

My Feedback: (8)

The engine was *NOT* running at the time of that picture, just windmilling in the wind. You are correct, there were no batterys either.

ajcoholic

My Feedback: (10)

So, why can't we see a picture of it running....???

AJC

Skymac

My Feedback: (8)

Our next run should be tomarrow afternoon. I'll try and post some pictures for you after we finish.

ajcoholic

My Feedback: (10)

Did you have to modify anything or is it "stock" jet joe? Are you planning to take it to 160,000 rpm?

AJC

Skymac

My Feedback: (8)

We have a few cycles on the engine now. FULL STOCK as recieved from Jet Joe. We are working very close with Joe to fix anything that may be wrong in the short term and long term. We do plan to run it at the max rpm but not for a few runs. Anything that is fixed or changed will be annoucned once we have everything done but untill then im not going that deep. As you can see we are running the Fadec Semi-Auto Unit with the Stock Jet Joe pump and Stock Jet Joe Hand Starter.

j_rc_heliman

Should the preload be so light that the jj-1200 can windmill in a light wind, or was that a strong wind? If so i think i have too much preload on my jj shaft because it takes me a quite a bit of air force to get it to windmill, it does however sping freely when i spin it with my fingers, so i dont know. thankyou in advance for any information!

Jeff

Skymac

My Feedback: (8)

I do not have a preload. Once the oil gets to the bearings after a few runs the bearings get super smooth.

ajcoholic

My Feedback: (10)

The oil should get to the bearings immediately, not after a few runs. If the engine gets up past where you are currently running it rpm wise, you are going to wish you had preload.... there is a reason every turbine manufacturer preloads the bearings.

AJC

j_rc_heliman

so, does my preload conditions sound about right to you guys or does it seem like i have a bit too much? also Is there any way to gauge it because it is a difficult question to answer from the limited information i have given you. thanks

J. Campbell

My Feedback: (31)

That is a misuderstanding on your part, and a mistype on skymacs part, he means the bearings are super smooth after all the runs, Yes they were smooth before the first run but smoother after the first run as they were lubricated. Russ

ajcoholic

My Feedback: (10)

JRCheliman -preload is to be set at 10 lbs or 4.5 kg on an engine of this type.

AJC

BigJoeysToys

Hey,

Just got back from our local field and got to see Skymacs Jet Joe run.
Although they were getting all the settings fine tuned for idle and midrange
it was still super impressive. Most of the running was done at night and it
looked to be burning very evenly in the back. Just wanted to step in here
and say that they are working very hard to get this product to be viable in
the future, so far its looking good but time will tell.

Thanks,

Joe

Skymac

My Feedback: (8)

Here are some pictures as promised, still having a high EGT than we want but we are working it down in the right direction, great improvement from the last runs. Max RPM was is the range of 90K tonight, it is also still burning very evenly even though its hard to tell in the picture.

itsadogslife

Skymac, why has it got flames coming out of the back?

ajcoholic

My Feedback: (10)

680 C at just above idle setting...you best work a "bit more closely" with "Joe" to get the temps down to a tollerable level IMO. Especially before you continue to sing praises of the engine.

Just note I am not bashing it, but I cannot understand someone else supporting/promoting with a "look and see... it runs" attitude when there are obvious deficient areas in the design. IMO no one should be pushing this thing UNTILL it is running 100% as it is supposed to be.

What other company gets potential distributers and customers to do their R&D work, and try and sell/promote engines that are not yet ready to sell to the general public?

AJC

SJN

thats what it looks like when starting a turbine up at night :-)