Today's Message Index:
----------------------
1. 06:13 AM - Re: Ignition systems (Richard Martin)
2. 06:46 AM - Re: RV-7 slider canopy binding (Richard Martin)
Message 1
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| Subject: | Re: Ignition systems |
I use Odessey batteries, one full size for main power and one small as a
backup for my dual lightspeed ignition. They seem to last longer with no
maintenance than lead acid aircraft batteries. Also, they can be purchased
at discount prices at most auto stores. The small one will operate the
engine for 3 plus hours in the event of alternator failure in flight.
Dick Martin
RV8 N233M
the fast one
On Mon, Nov 22, 2010 at 10:31 AM, Tom V <vmax737@hotmail.com> wrote:
> What type of batteries do you use?
>
> Thanks much for the info
>
> Vmax
>
> Sent from my iPhone
>
> On Nov 22, 2010, at 9:05, Richard Martin <martinaerodrome@gmail.com>
> wrote:
>
> Ditto to Aussie Hugh.
> I have 2000 plus hours on my dual lightspeed ignition systems on my RV8. I
> have on of the first systems and am pleased. I uses the dual battery system
> also because it gives redundency in the unlikely event that both the
> alternnator and one battery failed. I used the large aircraft battery as
> primary and a smallbattery wired as a standby. The engine will run approx.
> 3 hours on the small standby battery in the event that the primary system
> failed.
> The major advantage of the Lightspeed system is that it is a full
> capacitance discharge (40 plus thousand volt) versus a low discharge on the
> inductive systems that are cheaper. Engine start is a non event (especially
> in very cold weather (below zero here in wisconsin). I have found that Nipon
> Denso
> X27GPRU spark plugs work the best. Also <Alshragg@me.com> use MSD racing
> wire for your harness. No shield is necessary and it will outlast economy
> wire used by most auto shops. When you make up your harness, test each wire
> before installation, it must have 20 or better ohms per foot.
> Good luck with your project. Note: MSD wire etc. is available at most
> speed shops. local or mail order.
> Dick Martin
> RV8 N233M
> the fast one
>
>> I have both lightspeed plasma 3 no mags two batteries one for the
>> avionics and one for the ignition. I guess the choice is a personel one. I
>> think there is arguments for and against but my research with friends who
>> have electronic other love the smooth running and better fuel burn. The
>> system will run down to 4.5 v so probably will run out of fuel before
>> battery. A matter of opinion.
>>
>> Cheers
>>
>> Aussie Hugh
>>
>> Regards
>>
>> Hugh
>>
>> Sent from my iPhone
>>
>> On 22/11/2010, at 7:50 AM, Heyden Thomas <vmax737@hotmail.com> wrote:
>>
>> I really appreciate the comments on the canopy, thank you for all that
>> responded, it has been very helpful.
>>
>> Another issue that I would appreciate some commentary on is ignition
>> systems. I'm plannng to go with a conventional impluse mag on the left and
>> electronic on the right. Any comments or recommendations would be
>> appreciated.
>>
>> Vmax
>>
>> *
>> *
>>
>>
> *
>
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Message 2
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| Subject: | Re: RV-7 slider canopy binding |
I have found on my RV8 canopies (2000 hours 3rd canopy) that it is necessar
y
to drill holes for fasteners (I use screws #6/32 and drill and tap canopy
rails) The holes in the plexiglass canopy must be oversize so the canopy
can move around the fastener. My RV8 canopy will elongate as much as 3/16
inch from winter temps of 0 to 35 degrees to summer temps of 70 to 90
degrees.
Good Luck
Dick Martin
RV8 N233M
the fast one
On Sat, Nov 20, 2010 at 8:10 PM, Heyden Thomas <vmax737@hotmail.com> wrote:
> I=92ve drill the canopy to the frame on my RV-7 slider and have encounte
red
> the usual problem, it binds on the rollers.
>
>
> After taking great pains and several hours to adjust the canopy frame as
> close to the specs as I could, the frame moved very smoothly on the canop
y
> rails. After drilling the canopy to the frame and putting it back on the
> canopy rail it binds. The frame is being pulled outward by the canopy.
> When I move the edges of the canopy inward it moves freely again.
>
>
> Any suggestions on how to fix it without cracking the canopy?
>
>
> Thanks for any assistance
>
>
> Vmax
>
>
> *
>
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