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Old Sep 12, 2006, 07:28 AM
epilot is offline
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Only nerd in the village
I could tell you a lot about how they fly but you probably don't want to hear it from me

Graham shot some video when we were in Germany but I don't know if it came out OK?

IMHO it is very easy to fly with no vices.

Michael
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Old Sep 12, 2006, 08:56 AM
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Frozen Polarbear
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Quote:
Originally Posted by relaxr
Hi - shurely the flight behaviour of "Bumps" was dicussed in the past in deep. But where? Therfore could anyone give some short (or longer ) statements about its flight style, like: speed - turnability - climb - stalls - spiralling in turns - etc - all important things to be known. Or maybe someone could post a vid or a link to a vid where a "typical" Bump flight can be seen. Thanks in advance

Bye
The BUMP is a wery good flyer. I have made it in many different sizes and they all fly fine. I have not tried with X-Twin motor but I guess it would be OK.

If you build light it is slow, and if heavy it is not. Why not try to make one, it takes less than 60 minutes. I think you will like it! Here is a video of mine bump (I think): http://aronnesrocken.com/microfly/microflight.mov
The BUMP was my first Micro RC plane made out of depron food trays.

Cheers
Tore
Old Sep 12, 2006, 09:20 AM
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RC-Kraut
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Hi Michael and purple: oh Michael shurely I would like to hear such a report from you - why not! You have all the experience with your "brains child".

Thanks for some infos and a vid purple. Slow/fast according to weight and well mannered thats all I expect from good planes. The look is of its own and very fine!

Be sure if there is time I 'll do one on Xtwin - I will report! I am shure it will work with around 10'' span and a total of max. 20 gr AUW. I am shure the xtwin/AA ragers would jump on such a frame kit without any doubt if offered (hint) at a reasonable price. On Ebay they sell some frames for xtwins - just saw a (crappy) ME 109 - looked liked carved with a kitchen knife

EDIT: Grrrrr - my Quicktime refuses to play the vid of purple . Anyone with a mpeg or so....about bump flight ???

Bya
Last edited by relaxr; Sep 13, 2006 at 04:04 AM.
Old Sep 12, 2006, 09:28 AM
mike glass is offline
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Purple,
Nice video! Your Bump flys great!

Mike
Old Sep 12, 2006, 09:33 AM
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relax,
I'm sure the AA gear will fly the Bump with no problem!
I'd make some wedges to sit the motors on so the thrust line is straight.
The wing has a nice angle of attack and with the motors straight you should get a nice climb rate.

Mike
Old Sep 12, 2006, 08:02 PM
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Hey Mike how about a DR1 Bump!



Greg
Old Sep 12, 2006, 11:00 PM
Cheesehead is offline
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Ego varius quis.
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GIMME!

Dang it all, I've got an AeroAce reciever, 2 pager motors, and a 50mah PiccoZ lipoly! Gimme a bloody BUMP already!

I'm going to send PayPal wether you're ready or not unless you get these for sale soon!
Old Sep 13, 2006, 07:13 PM
epilot is offline
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Only nerd in the village
Samples are on their way to the UK now. Shouldn't be too long before kits will be available. I'll keep my fingers crossed that Mike doesn't drown at NEAT (I seem to recall it tends to be a very wet event).

Cheesehead, you are welcome to Paypal me all the money you have

Michael
Old Sep 13, 2006, 07:17 PM
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hey, feel free to paypal some money to me too

i've been trying to decide on a plane for the SRF thread, and i'm starting to think the BUMP might just be the ticket. i'm kinda ashamed to say i've never built one, but a cute little 6" version would be perfect. what are the chances of doing custom sizes?

nick
Old Sep 13, 2006, 07:29 PM
epilot is offline
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Only nerd in the village
That all depends on how much time Mike can spare

I have seen how well Grahams micro Bump flew so I would not hesitate to have a go at a 6" version. With Butterfly RX, 6mm pager DD and 50mAh cell it should be a laugh.

Here is a pic of Grahams poor Bump about to be swallowed by a Mig-21!
Old Sep 13, 2006, 08:54 PM
mike glass is offline
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Michael,
I think that ducted fan is going to be too heavy to fly that Bump with!
Old Sep 13, 2006, 09:06 PM
Jerry Combs is offline
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is it flying time?
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Quote:
Originally Posted by mike glass
Michael,
I think that ducted fan is going to be too heavy to fly that Bump with!
Maybe, but just think of the unlimited vertical!

Jerry
Old Sep 13, 2006, 09:10 PM
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Jerry,
Hows your wife?
Old Sep 13, 2006, 11:14 PM
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i'd say the BUMP might be too light for the engine...i hope those wings have been reinforced with some CF.

i'll be going in the lighter direction, using the piccos tail prop and the 4mm motor setup i've been going with. it all just works too well not to try it in more planes.

nick
Old Sep 14, 2006, 08:18 AM
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if you make a profile version, you can call it the PIMP


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