In addition to all the points Luis has made, pretty much every car on the
road today has electronic ignition, with far less redundancy than Luis has
outlined, yet ignition failures are quite rare given the number of units in
operation. Whilst there may be more complexity, the reliability of
electr
I think the answer to Dr Hsu's question is that a system of moveable weight
(whether that's a sliding weight as suggested, or perhaps a liquid ballast
of some sort) will come at the expense of useful load, and useful load is
at a premium in small recreational aircraft like the KR. Larger aircraft
Bolly (in Australia) might be worth a look too - bollyaviation.com.au
TK
On Tue, 19 Jul 2022 at 10:28, Jeff Scott via KRnet
wrote:
> With the loss of most of the less expensive prop manufacturers and the
> extensive lead time and expense of the other prop manufacturers, I noted
> that for the p
Here's a link to the ATSB report for anyone interested. All kinds of
issues identified.
http://www.atsb.gov.au/publications/investigation_reports/2011/aair/ao-2011-126.aspx
TK
On Fri, 21 Oct 2022 at 09:25, Flesner via KRnet
wrote:
> On 10/20/2022 3:57 PM, Phillip Matheson via KRnet wrote:
> >
Yes, the Joey was composite and predated the Cheetah (metal + fabric) and
Sierra (all metal). Gary Morgan took me up in his demonstrator Sierra at a
flyin once. I felt it flew very nicely indeed. I was seriously
contemplating building one, but at the time couldn't afford to plonk down
the cash f
KRs have been powered by VW 1600 engines. Would a Rotax 503 be much
different in terms of horsepower? Certainly lighter, which could make
balance more of a challenge, but on the upside you'd have dual ignition,
electric start and an alternator. Yes, you could have those on a 1600 VW
too, but I s
I owned a GY20 Minicab until a couple of years ago. Beautiful aircraft. Mine
had an O-200 so it got along quite nicely (although not as fast as a KR). It
could reach Vne (104 kts) straight and level. Cruised at 95 kts no trouble at
all, which I thought was pretty good for an O200 powered aircra
Have a look at Polini for potentially suitable engines.
Sent from my iPhone
> On 3 Jun 2023, at 11:32 pm, Flesner via KRnet wrote:
>
> On 6/2/2023 9:15 PM, Ronald Wright via KRnet wrote:
>> Hirth is a great engine. hangared inside the fabric will last forever. Was
>> the engine pickled? A
I’m no engineer either, but I suspect the clamping force the WAF bolts
provide may be relevant to the integrity/strength of the WAF joint. Lynch
pins won’t provide any clamping force. They’d also need to be very precise
- I doubt movement of the joint would be a recipe for safety or longevity.
TK
Here in Oz I'm using hoop pine - an Australian native timber that's popular
with boatbuilders. It's been used in aircraft since at least WW2. About
10% heavier than spruce but also 15% stronger. And about an order of
magnitude cheaper since it's locally grown whereas spruce has to be
imported.
Isn't leaking oil the whole purpose of an O-200? Great to hear you're back
in the air.
Cheers,
Tony
On 22 May 2017 at 10:38, Larry Flesner via KRnet
wrote:
>
>
> Netters,
>
> After two short ground runs yesterday to check for oil leaks I fired up
> and made the first flight after overhaul.
Now that's a neat idea! Hadn't come across that before. Gonna try that on
my O-200 (which doesn't lose much but always puts a smear of oil down the
side of the aircraft after 20 or 30 minutes of flight).
Cheers,
Tony
On 24 May 2017 at 04:19, brian.kraut--- via KRnet
wrote:
> Oil leaks are ve
Yes
On 15 June 2017 at 23:35, Gary via KRnet wrote:
> Hello to all,
> Are there any builders/flyers in Australia currently watching the KR forum?
> Regards,
> --
> *Gary *
> /Soli Deo Gloria/
> ___
> Search the KRnet Archives at https://www.mail-archiv
Hi Gary, I'm at Gatton in SE Qld. There are several others who follow and
contribute to KRNet.
Cheers,
Tony
On 15 June 2017 at 23:35, Gary via KRnet wrote:
> Hello to all,
> Are there any builders/flyers in Australia currently watching the KR forum?
> Regards,
> --
> *Gary *
> /Soli Deo Glori
I only know what I see on his Facebook page but that says Colin had surgery
a couple of days ago and so far seems to be on track for complete recovery
- physically at least. Like yourself Joe, I'm sure he looks at the world a
little differently now.
How's your recovery coming along?
Cheers,
Ton
A number of phones these days also have a built in barometer which you'd
think would be a no-brainer for an altimeter, but I've not come across an
app that uses the inbuilt barometer in that way. Anybody seen one?
TK
On 29 August 2017 at 04:40, gluejam via KRnet wrote:
> For those who have And
I imagine Ken Rand received similar advice when developing the KR2. Some
people are happy to try something new and others aren't. That's just the
way of the world and aviation's no different. But we advance thanks to
those who choose the path less travelled, although it's undeniable it's
usually
Hi Owen,
Most of the stuff you'll find around will be for lead acid batteries. Not
all LiFePO4 batteries are drop in replacements for lead acid, even though
most are marketed that way. Make sure the LiFePO4 batteries you choose have
the inbuilt smarts to tolerate whatever alternator/regulator com
A "steep vertical descent" doesn't sound like controlled flight into
terrain (rising or otherwise) to me.
On 17 October 2017 at 12:50, Kayak via KRnet wrote:
> https://www.wired.com/2017/05/icon-a5-crash-kills-2-
> including-unique-planes-lead-engineer/
>
>
> On Sun, Oct 15, 2017 at 11:50 PM, la
As far as I can see the issues with a one piece wing are all about
logistics. During construction, instead of the fuselage being the longest
item it'll be the wing, with implications for the space needed to complete
the build. If you're not building at an airport (specifically the airport
from wh
Sid,
Is the aluminum bonded to the fibreglass or held in place by fasteners
(including those for the instruments)?
Cheers,
Tony
On 13 February 2018 at 04:28, Sid Wood via KRnet
wrote:
> I used the RR panel and forward deck for my KR-2. On the back face of the
> instrument panel is a aluminum
'Knowing' that their aircraft stalls at a certain speed has killed many
pilots. In fact it's possible to stall an aircraft at any speed because
stall is about angle of attack, not airspeed. The quoted stall speed for
an aircraft is usually calculated when the aircraft is straight and level
and if
Just read that thread Peter. The suggestion seemed to be that it had been
vinyl wrapped after the control surfaces were balanced - which would be
similar to painting it after balancing and a potential source of flutter.
Of course the vinyl departing the wing and obstructing the tail wouldn't be
go
Good info Steve. Thanks for clearing that up.
On Thu, 14 Jun 2018 at 08:26, Steve G. via KRnet
wrote:
> For the sake of accurate info in the archives, here is the deal.
>
> The conventional cut gear was the first and only type produced by Dan.
> Initially they told people they were reversible (
I find most people are surprised to learn that the cost of acquiring and
operating an aircraft can be less than a lot of boats, or 4x4s, or horses,
or
On Thu, 18 Apr 2019 at 13:11, Chris Kinnaman via KRnet
wrote:
>
>
> I think many people who are not involved in aviation don't really have a
The debate around alternative engines is probably never going to be
concluded, but at the end of the day flying is about managing risk, and a
big part of that is knowing what your own risk appetite is. Using only
certified parts (a "real aircraft engine") is one approach. But if
everyone took tha
"I guess the first few was built without the aid of prefabbed parts"
True. Not many built without the aid of plans though.
Cheers,
Tony
On Tue, 13 Aug 2019 at 11:20, donald january via KRnet
wrote:
> What a shame if the one or two suppliers of KR family of aircraft stops
> supplying but I gu
182 hp from a 2.2 litre Subaru is about 82 hp per litre. 115 hp from a 1.2
litre Rotax (the 914) Is about 96 hp per litre. The Subaru’s not that stressed
by comparison. Must be more to the story than that.
TK
Sent from my iPad
> On 29 Dec 2019, at 5:37 am, Mike Stirewalt via KRnet
> wrote:
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