Jgwright

http://www.jetsmunt.com/wp/m70xbl/

Jets Munt have announced the new M70 XBL and will be showing it at JetPower for those lucky enough to be there.
This engine is 70N thrust out of a case size 75mm dia and weight of only 600 grams

This is all with Brushless starter motor and brushless pump.

The overall size is slightly smaller than the Wren 44 and less weight but produces all that power!

Yet again Gaspar produces something truly exceptional. I have put my name down for one!

John

marc s

Interesting to read its fully programmable in thrust output so the users can dial in what they want - 30-70N

marcs

Grodus

Wow, 100g lighter than the K45 and 60% more thrust. I want one!

Henke Torphammar

Well, that's been doable for long, if not by rpm limit via the throttle stick

How ever this is one of few engines that impress me with a huge leap from the competition. Been waiting for this a long time as the Wren 44 been the standard for too long in this can size.

mr_matt

My Feedback: (10)

Is this the one that was initially presented (shown at shows) as a 45 N motor?

Jgwright

No this is entirely new. The M35 has not yet made it into prduction.

John

Jannica

Impressive specs! What about the price?

DrScoles

My Feedback: (18)

1600 euro, Very very cool! dial a turbine... I like it!

DUCMOZ

Thank you for sharing the information. these would make a perfect power plant for Small Skymaster A10. Exciting stuff.

Behzad

mr_matt

My Feedback: (10)

Can anyone tell me what the typical tail pipe exit diameter would be for this turbine at full power?

Inner pipe diameter I mean

DUCMOZ

I assume it would be like P60 or P70 as it pushes the same amount of air to generate the trust.

Behzad

mr_matt

My Feedback: (10)

Yes what might that be? I have never had a full bypass install with a turbine that small

rhklenke

My Feedback: (24)

My guess is that the efflux velocity is much higher for the Merlin than a P60 or P70 and that's where it gets its thrust.

Bob

Henke Torphammar

I run a 46mm pipe on my Kolibri T50. That adds 0.5lb or push when testing static.(54N installed) Usually people uses too big pipes, such as 46mm for a P20.

roger.alli

Man I wish I still owned my Aggressor. What a combo these would make ..

mr_matt

My Feedback: (10)

So Henke you would run a 46 mm ID pipe at full power with this motor? What kind of bellmouth? (No bypass this time).

Does this turbine have the in-flight restart?

Gordon W

Wren produce a series of nice pipes. Would the Wren 44 Gold pipe be OK, or should one go for the MW54/70/80/SS/100 size pipe for the M70XBL?

There's a dimensioned diagram on Wren's website which everyone can download as a .pdf (link: https://drive.google.com/file/d/0B4u...NDdVA1MmM/view ) and which I'm copying here as a low definition jpg for a quick look:



Maybe John Wright, who I understand had a hand in the design of these pipes, could advise us, please. In any case, you have the engine on order John, so what will you do for a pipe?

Gordon

Jgwright

Gordon

I will make my own pipe as I have the materials and a spot welder. I will probably opt for a size between the 44 and 54 maybe 65mm diameter instead of the 62mm and the rest sized accordingly.
I am sure it would work fine with a 54 pipe but the 44 one may be a bit small.

John

Gordon W

Thanks John. It'd be handy if Jets Munt could give us all some advice too, or maybe that'll be in the engine manual.

Gordon

cmp3cantrj

Price looks quite good too - but would have been REALLY good but for that wretched referendum!

jason

My Feedback: (1)

That would make a nice turboprop...

patrnflyr

My Feedback: (7)

Will Ultimate Jets carry this turbine in the USA?

DUCMOZ

Probably will be Dreamworks.

Midas D.

http://www.znline.com/produits.php?l...ata=1420455590

This would be the ideaal match

J.F

Time to dig my Grummania Su27 out of the roof, would be incredible with one of these fitted. I think Vaclav at Savex will also become busy with his L39 sales!!